{"id":37035,"date":"2025-12-23T14:46:16","date_gmt":"2025-12-23T07:46:16","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=37035"},"modified":"2025-12-24T17:02:42","modified_gmt":"2025-12-24T10:02:42","slug":"secondary-storage-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/","title":{"rendered":"Secondary Storage: L\u1ee3i \u00edch, Ph\u00e2n lo\u1ea1i &#038; So v\u1edbi Primary Storage"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Secondary-Storage-la-gi\" >Secondary Storage l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Vai-tro-va-chuc-nang-cua-Secondary-Storage\" >Vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a Secondary Storage<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Giai-quyet-van-de-dung-luong-Capacity\" >Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 dung l\u01b0\u1ee3ng (Capacity)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Giai-quyet-van-de-luu-tru-Persistence\" >Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 l\u01b0u tr\u1eef (Persistence)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Luu-he-dieu-hanh-phan-mem-va-du-lieu-nguoi-dung\" >L\u01b0u h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m v\u00e0 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Bo-tro-cho-Primary-Storage-RAM\" >B\u1ed5 tr\u1ee3 cho Primary Storage (RAM)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Dac-diem-cua-Secondary-Storage\" >\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Secondary Storage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Cac-loai-thiet-bi-luu-tru-thu-cap-pho-bien\" >C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ee9 c\u1ea5p ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Thiet-bi-luu-tru-tu-tinh-Magnetic-Storage\" >Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef t\u1eeb t\u00ednh (Magnetic Storage)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Thiet-bi-luu-tru-the-ran-Solid-State-Storage\" >Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ec3 r\u1eafn (Solid State Storage)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Thiet-bi-luu-tru-quang-hoc-Optical-Storage\" >Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef quang h\u1ecdc (Optical Storage)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Luu-tru-dam-may-Cloud-Storage-%E2%80%93-Mo-rong-gia-tri\" >L\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y (Cloud Storage) &#8211; M\u1edf r\u1ed9ng gi\u00e1 tr\u1ecb<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#So-sanh-Primary-Storage-va-Secondary-Storage\" >So s\u00e1nh Primary Storage v\u00e0 Secondary Storage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Secondary-Storage-co-phai-la-External-Storage-khong\" >Secondary Storage c\u00f3 ph\u1ea3i l\u00e0 External Storage kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Khi-nao-can-su-dung-Secondary-Storage\" >Khi n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng Secondary Storage?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#1-Luu-tru-du-lieu-lau-dai-Archiving\" >1. L\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i (Archiving)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#2-Backup-Sao-luu-du-lieu\" >2. Backup (Sao l\u01b0u d\u1eef li\u1ec7u)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#3-Luu-tru-he-dieu-hanh-System-Installation\" >3. L\u01b0u tr\u1eef h\u1ec7 \u0111i\u1ec1u h\u00e0nh (System Installation)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#4-Luu-tru-du-lieu-Server-Cloud\" >4. L\u01b0u tr\u1eef d\u1eef li\u1ec7u Server \/ Cloud<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Nen-chon-Secondary-Storage-loai-nao-cho-may-tinh-SSD-hay-HDD\" >N\u00ean ch\u1ecdn Secondary Storage lo\u1ea1i n\u00e0o cho m\u00e1y t\u00ednh? (SSD hay HDD)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Khi-nao-nen-chon-HDD\" >Khi n\u00e0o n\u00ean ch\u1ecdn HDD?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Khi-nao-nen-chon-SSD\" >Khi n\u00e0o n\u00ean ch\u1ecdn SSD?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Nhung-han-che-can-biet-cua-Secondary-Storage\" >Nh\u1eefng h\u1ea1n ch\u1ebf c\u1ea7n bi\u1ebft c\u1ee7a Secondary Storage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Xu-huong-phat-trien-cua-Secondary-Storage-hien-nay\" >Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a Secondary Storage hi\u1ec7n nay<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Thue-Hosting-%E2%80%93-VPS-toc-do-cao-tai-InterData\" >Thu\u00ea Hosting &#8211; VPS t\u1ed1c \u0111\u1ed9 cao t\u1ea1i InterData<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/#Ket-luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>Secondary Storage<\/strong> l\u00e0 n\u1ec1n t\u1ea3ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i trong m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng CNTT hi\u1ec7n \u0111\u1ea1i. V\u1edbi b\u00e0i vi\u1ebft n\u00e0y, InterData gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 <a href=\"https:\/\/interdata.vn\/blog\/secondary-storage-la-gi\/\"><strong>Secondary Storage l\u00e0 g\u00ec<\/strong><\/a>, vai tr\u00f2 th\u1ef1c t\u1ebf, c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb ph\u1ed5 bi\u1ebfn, c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi Primary Storage v\u00e0 nh\u1eefng hi\u1ec3u l\u1ea7m th\u01b0\u1eddng g\u1eb7p. N\u1ebfu b\u1ea1n \u0111ang h\u1ecdc IT, l\u00e0m k\u1ef9 thu\u1eadt ho\u1eb7c \u0111\u01a1n gi\u1ea3n mu\u1ed1n hi\u1ec3u \u0111\u00fang v\u1ec1 l\u01b0u tr\u1eef d\u1eef li\u1ec7u, n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian t\u00ecm hi\u1ec3u r\u1eddi r\u1ea1c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Secondary-Storage-la-gi\"><\/span>Secondary Storage l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Secondary Storage<\/strong> l\u00e0 b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p, d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i trong m\u00e1y t\u00ednh ho\u1eb7c h\u1ec7 th\u1ed1ng c\u00f4ng ngh\u1ec7 th\u00f4ng tin. Kh\u00e1c v\u1edbi b\u1ed9 nh\u1edb ch\u00ednh (RAM), Secondary Storage kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u khi t\u1eaft ngu\u1ed3n. \u0110\u00e2y l\u00e0 n\u01a1i l\u01b0u h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m, t\u00e0i li\u1ec7u c\u00e1 nh\u00e2n, h\u00ecnh \u1ea3nh, video v\u00e0 c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng kh\u00e1c.<\/p>\n<p>Kh\u00e1c v\u1edbi b\u1ed9 nh\u1edb ch\u00ednh (Primary Storage &#8211; th\u01b0\u1eddng l\u00e0 RAM), CPU kh\u00f4ng th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o d\u1eef li\u1ec7u tr\u00ean\u00a0Secondary Storage. Thay v\u00e0o \u0111\u00f3, d\u1eef li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o RAM tr\u01b0\u1edbc r\u1ed3i m\u1edbi \u0111\u01b0\u1ee3c b\u1ed9 vi x\u1eed l\u00fd (CPU) x\u1eed l\u00fd.<\/p>\n<p>\u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i n\u00e0o, t\u1eeb m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n (PC), laptop cho \u0111\u1ebfn m\u00e1y ch\u1ee7 (server) hay \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/p>\n<p>T\u00ean Secondary Storage \u0111\u01b0\u1ee3c g\u1ecdi nh\u01b0 v\u1eady v\u00ec kh\u00f4ng tham gia tr\u1ef1c ti\u1ebfp v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd t\u1ee9c th\u1eddi c\u1ee7a CPU, m\u00e0 h\u1ed7 tr\u1ee3 l\u01b0u tr\u1eef v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u khi c\u1ea7n.<\/p>\n<figure id=\"attachment_37048\" aria-describedby=\"caption-attachment-37048\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-37048\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Secondary-Storage-la-gi.jpg\" alt=\"Secondary Storage l\u00e0 g\u00ec\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Secondary-Storage-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Secondary-Storage-la-gi-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Secondary-Storage-la-gi-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-37048\" class=\"wp-caption-text\">Secondary Storage l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p><strong>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/strong>: B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1eaft g\u1eb7p c\u00e1c thi\u1ebft b\u1ecb\u00a0Secondary Storage\u00a0xung quanh m\u00ecnh. Ph\u1ed5 bi\u1ebfn nh\u1ea5t ch\u00ednh l\u00e0 \u1ed5 c\u1ee9ng HDD (Hard Disk Drive) v\u00e0 SSD (Solid State Drive) n\u1eb1m b\u00ean trong m\u00e1y t\u00ednh. Ngo\u00e0i ra, USB, th\u1ebb nh\u1edb SD trong m\u00e1y \u1ea3nh hay \u0111\u0129a CD\/DVD c\u0169ng l\u00e0 nh\u1eefng d\u1ea1ng\u00a0b\u1ed9 nh\u1edb ngo\u00e0i m\u00e1y t\u00ednh\u00a0thu\u1ed9c nh\u00f3m n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vai-tro-va-chuc-nang-cua-Secondary-Storage\"><\/span>Vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a Secondary Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1eb7t c\u00e2u h\u1ecfi: &#8220;T\u1ea1i sao m\u00e1y t\u00ednh c\u1ea7n b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p trong khi RAM c\u00f3 t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n g\u1ea5p nhi\u1ec1u l\u1ea7n?&#8221;. C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed, dung l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef d\u00e0i h\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng ch\u1ee9c n\u0103ng ch\u00ednh gi\u1ea3i th\u00edch <strong>t\u1ea1i sao m\u00e1y t\u00ednh c\u1ea7n b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p<\/strong>:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Giai-quyet-van-de-dung-luong-Capacity\"><\/span>Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 dung l\u01b0\u1ee3ng (Capacity)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ed9 nh\u1edb ch\u00ednh (RAM) c\u00f3 chi ph\u00ed s\u1ea3n xu\u1ea5t r\u1ea5t cao tr\u00ean m\u1ed7i Gigabyte (GB). V\u00ec v\u1eady, m\u00e1y t\u00ednh th\u00f4ng th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c trang b\u1ecb 8GB, 16GB ho\u1eb7c 32GB RAM. Dung l\u01b0\u1ee3ng n\u00e0y qu\u00e1 nh\u1ecf \u0111\u1ec3 ch\u1ee9a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, h\u00e0ng tr\u0103m ph\u1ea7n m\u1ec1m v\u00e0 h\u00e0ng ng\u00e0n t\u1eadp tin video, h\u00ecnh \u1ea3nh.<\/p>\n<p><strong>Secondary Storage<\/strong> gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n n\u00e0y b\u1eb1ng c\u00e1ch cung c\u1ea5p kh\u00f4ng gian l\u01b0u tr\u1eef kh\u1ed5ng l\u1ed3 (t\u1eeb v\u00e0i tr\u0103m GB \u0111\u1ebfn h\u00e0ng ch\u1ee5c Terabyte) v\u1edbi chi ph\u00ed r\u1ebb h\u01a1n r\u1ea5t nhi\u1ec1u. \u0110\u00e2y l\u00e0 n\u01a1i l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ch\u1ee9a l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn m\u00e0 ng\u01b0\u1eddi d\u00f9ng t\u00edch l\u0169y theo th\u1eddi gian.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Giai-quyet-van-de-luu-tru-Persistence\"><\/span>Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 l\u01b0u tr\u1eef (Persistence)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, RAM s\u1ebd &#8220;qu\u00ean&#8221; s\u1ea1ch m\u1ecdi th\u1ee9 khi t\u1eaft m\u00e1y. N\u1ebfu kh\u00f4ng c\u00f3 b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p, b\u1ea1n s\u1ebd ph\u1ea3i c\u00e0i \u0111\u1eb7t l\u1ea1i Windows v\u00e0 g\u00f5 l\u1ea1i v\u0103n b\u1ea3n t\u1eeb \u0111\u1ea7u m\u1ed7i khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh. <strong>Ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p<\/strong> \u1edf \u0111\u00e2y l\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n v\u00e0 b\u1ea3o to\u00e0n d\u1eef li\u1ec7u. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t &#8220;chi\u1ebfc k\u00e9t s\u1eaft&#8221; an to\u00e0n, l\u01b0u gi\u1eef th\u00f4ng tin trong nhi\u1ec1u n\u0103m.<\/p>\n<figure id=\"attachment_37049\" aria-describedby=\"caption-attachment-37049\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-37049\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vai-tro-va-chuc-nang-cua-Secondary-Storage.jpg\" alt=\"Vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a Secondary Storage\" width=\"800\" height=\"464\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vai-tro-va-chuc-nang-cua-Secondary-Storage.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vai-tro-va-chuc-nang-cua-Secondary-Storage-300x174.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vai-tro-va-chuc-nang-cua-Secondary-Storage-768x445.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-37049\" class=\"wp-caption-text\">Vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a Secondary Storage<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Luu-he-dieu-hanh-phan-mem-va-du-lieu-nguoi-dung\"><\/span>L\u01b0u h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m v\u00e0 d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 \u0111i\u1ec1u h\u00e0nh (Windows, Linux, macOS), c\u00e1c \u1ee9ng d\u1ee5ng (Word, Excel, Photoshop, Games) v\u00e0 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n (\u1ea3nh, nh\u1ea1c, video) \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 n\u1eb1m tr\u00ean <strong>Secondary Storage<\/strong>. Khi b\u1ea1n b\u1ea5m n\u00fat m\u1edf m\u1ed9t \u1ee9ng d\u1ee5ng, m\u00e1y t\u00ednh s\u1ebd sao ch\u00e9p ph\u1ea7n d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft t\u1eeb b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p sang RAM \u0111\u1ec3 ch\u1ea1y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bo-tro-cho-Primary-Storage-RAM\"><\/span>B\u1ed5 tr\u1ee3 cho Primary Storage (RAM)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p RAM b\u1ecb \u0111\u1ea7y (h\u1ebft dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb kh\u1ea3 d\u1ee5ng), h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n dung l\u01b0\u1ee3ng c\u1ee7a <strong>Secondary Storage<\/strong> \u0111\u1ec3 l\u00e0m &#8220;RAM \u1ea3o&#8221; (Virtual Memory). C\u01a1 ch\u1ebf n\u00e0y gi\u00fap m\u00e1y t\u00ednh kh\u00f4ng b\u1ecb treo khi ch\u1ea1y c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a RAM v\u1eadt l\u00fd, d\u00f9 t\u1ed1c \u0111\u1ed9 s\u1ebd ch\u1eadm h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dac-diem-cua-Secondary-Storage\"><\/span>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Secondary Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 <strong>b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p<\/strong>, ch\u00fang ta c\u00f3 th\u1ec3 li\u1ec7t k\u00ea c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt v\u00e0 v\u1eadn h\u00e0nh n\u1ed5i b\u1eadt sau \u0111\u00e2y:<\/p>\n<ul>\n<li><strong>T\u00ednh Non-volatile:<\/strong> Kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u khi t\u1eaft m\u00e1y ho\u1eb7c ng\u1eaft \u0111i\u1ec7n \u0111\u1ed9t ng\u1ed9t. \u0110\u00e2y l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 ph\u00e2n bi\u1ec7t v\u1edbi RAM.<\/li>\n<li><strong>Dung l\u01b0\u1ee3ng l\u1edbn:<\/strong> M\u1ed9t \u1ed5 c\u1ee9ng c\u00e1 nh\u00e2n hi\u1ec7n nay c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u1ea1t m\u1ee9c 1TB &#8211; 4TB, th\u1eadm ch\u00ed c\u00e1c h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p s\u1eed d\u1ee5ng c\u00e1c m\u1ea3ng l\u01b0u tr\u1eef l\u00ean t\u1edbi h\u00e0ng Petabyte (PB).<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 truy c\u1eadp ch\u1eadm h\u01a1n:<\/strong> So v\u1edbi t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng c\u1ee7a RAM hay Cache CPU, t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi c\u1ee7a <strong>Secondary Storage<\/strong> ch\u1eadm h\u01a1n r\u1ea5t nhi\u1ec1u (t\u00ednh b\u1eb1ng mili gi\u00e2y so v\u1edbi nano gi\u00e2y).<\/li>\n<li><strong>Chi ph\u00ed th\u1ea5p:<\/strong> Gi\u00e1 th\u00e0nh tr\u00ean m\u1ed7i GB c\u1ee7a b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p r\u1ebb h\u01a1n h\u00e0ng ch\u1ee5c l\u1ea7n so v\u1edbi b\u1ed9 nh\u1edb ch\u00ednh.<\/li>\n<li><strong>T\u00ednh di \u0111\u1ed9ng:<\/strong> Nhi\u1ec1u thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ee9 c\u1ea5p c\u00f3 th\u1ec3 th\u00e1o r\u1eddi v\u00e0 mang theo d\u1ec5 d\u00e0ng (nh\u01b0 USB, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng, th\u1ebb nh\u1edb).<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c:<\/strong> L\u00e0 n\u01a1i ch\u1ee9a c\u00e1c b\u1ea3n backup h\u1ec7 th\u1ed1ng, gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00f4i ph\u1ee5c l\u1ea1i tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c khi m\u00e1y t\u00ednh g\u1eb7p s\u1ef1 c\u1ed1.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 an to\u00e0n:<\/strong> C\u00e1c d\u00f2ng <strong>Secondary Storage<\/strong> hi\u1ec7n \u0111\u1ea1i (nh\u01b0 SSD doanh nghi\u1ec7p) th\u01b0\u1eddng t\u00edch h\u1ee3p kh\u1ea3 n\u0103ng m\u00e3 h\u00f3a ph\u1ea7n c\u1ee9ng, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u tr\u01b0\u1edbc r\u1ee7i ro an ninh m\u1ea1ng.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-thiet-bi-luu-tru-thu-cap-pho-bien\"><\/span>C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ee9 c\u1ea5p ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef \u0111\u00e3 tr\u1ea3i qua nhi\u1ec1u th\u1eadp k\u1ef7 ph\u00e1t tri\u1ec3n. D\u1ef1a tr\u00ean c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, ch\u00fang ta c\u00f3 th\u1ec3 chia <strong>c\u00e1c lo\u1ea1i b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p<\/strong> th\u00e0nh 3 nh\u00f3m ch\u00ednh: T\u1eeb t\u00ednh, Th\u1ec3 r\u1eafn v\u00e0 Quang h\u1ecdc. B\u00ean c\u1ea1nh \u0111\u00f3, L\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y c\u0169ng \u0111ang tr\u1edf th\u00e0nh m\u1ed9t xu h\u01b0\u1edbng kh\u00f4ng th\u1ec3 b\u1ecf qua.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-bi-luu-tru-tu-tinh-Magnetic-Storage\"><\/span>Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef t\u1eeb t\u00ednh (Magnetic Storage)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef l\u00e2u \u0111\u1eddi v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong th\u1ebf k\u1ef7 tr\u01b0\u1edbc, hi\u1ec7n t\u1ea1i v\u1eabn gi\u1eef vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u1edbn (Big Data).<\/p>\n<ul>\n<li><strong>Nguy\u00ean l\u00fd:<\/strong> S\u1eed d\u1ee5ng t\u1eeb t\u00ednh \u0111\u1ec3 t\u1eeb h\u00f3a c\u00e1c h\u1ea1t nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t \u0111\u0129a ho\u1eb7c b\u0103ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng bit 0 v\u00e0 1.<\/li>\n<li><strong>\u0110\u1ea1i di\u1ec7n ph\u1ed5 bi\u1ebfn:<\/strong>\n<ul>\n<li><strong>HDD (Hard Disk Drive):<\/strong> \u1ed4 c\u1ee9ng c\u01a1 h\u1ecdc truy\u1ec1n th\u1ed1ng. B\u00ean trong g\u1ed3m c\u00e1c \u0111\u0129a tr\u00f2n (platter) quay li\u00ean t\u1ee5c v\u00e0 \u0111\u1ea7u \u0111\u1ecdc\/ghi di chuy\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t \u0111\u0129a. \u01afu \u0111i\u1ec3m l\u00e0 dung l\u01b0\u1ee3ng l\u1edbn, gi\u00e1 r\u1ebb nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1eadm, \u1ed3n v\u00e0 d\u1ec5 h\u1ecfng do va \u0111\u1eadp.<\/li>\n<li><strong>B\u0103ng t\u1eeb (Magnetic Tape):<\/strong> C\u00f3 th\u1ec3 b\u1ea1n \u00edt g\u1eb7p, nh\u01b0ng <strong>Magnetic tape l\u00e0 g\u00ec<\/strong> l\u1ea1i l\u00e0 c\u00e2u h\u1ecfi quan tr\u1ecdng trong qu\u1ea3n tr\u1ecb server. \u0110\u00e2y l\u00e0 d\u1ea1ng l\u01b0u tr\u1eef tr\u00ean c\u00e1c cu\u1ed9n b\u0103ng nh\u1ef1a ph\u1ee7 t\u1eeb t\u00ednh. T\u1ed1c \u0111\u1ed9 truy xu\u1ea5t r\u1ea5t ch\u1eadm (ph\u1ea3i tua b\u0103ng) nh\u01b0ng dung l\u01b0\u1ee3ng c\u1ef1c l\u1edbn v\u00e0 \u0111\u1ed9 b\u1ec1n cao, th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 archive (l\u01b0u tr\u1eef) d\u1eef li\u1ec7u doanh nghi\u1ec7p trong h\u00e0ng ch\u1ee5c n\u0103m.<\/li>\n<li><strong>\u0110\u0129a m\u1ec1m (Floppy Disk):<\/strong> Bi\u1ec3u t\u01b0\u1ee3ng &#8220;Save&#8221; tr\u00ean c\u00e1c ph\u1ea7n m\u1ec1m ng\u00e0y nay. Tuy \u0111\u00e3 b\u1ecb khai t\u1eed, nh\u01b0ng n\u00f3 l\u00e0 ti\u1ec1n \u0111\u1ec1 cho c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef di \u0111\u1ed9ng sau n\u00e0y.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-bi-luu-tru-the-ran-Solid-State-Storage\"><\/span>Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ec3 r\u1eafn (Solid State Storage)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i \u0111ang d\u1ea7n thay th\u1ebf ho\u00e0n to\u00e0n c\u00f4ng ngh\u1ec7 t\u1eeb t\u00ednh trong m\u00e1y t\u00ednh c\u00e1 nh\u00e2n nh\u1edd t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<ul>\n<li><strong>Nguy\u00ean l\u00fd:<\/strong> S\u1eed d\u1ee5ng c\u00e1c chip nh\u1edb Flash (NAND Flash) \u0111\u1ec3 l\u01b0u tr\u1eef \u0111i\u1ec7n t\u00edch. Kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u01a1 h\u1ecdc n\u00e0o (motor quay, \u0111\u1ea7u \u0111\u1ecdc).<\/li>\n<li><strong>\u0110\u1ea1i di\u1ec7n ph\u1ed5 bi\u1ebfn:<\/strong>\n<ul>\n<li><strong>SSD (Solid State Drive):<\/strong> N\u1ebfu ai \u0111\u00f3 h\u1ecfi <strong>SSD l\u00e0 b\u1ed9 nh\u1edb g\u00ec<\/strong>, h\u00e3y tr\u1ea3 l\u1eddi \u0111\u00f3 l\u00e0 \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn. SSD b\u1ec1n h\u01a1n, \u00eam h\u01a1n v\u00e0 nhanh h\u01a1n HDD t\u1eeb 10 \u0111\u1ebfn 100 l\u1ea7n (l\u1ea7n t\u00f9y chu\u1ea9n SATA \/ NVMe).<\/li>\n<li><strong>USB Flash Drive:<\/strong> Thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn c\u1eafm qua c\u1ed5ng USB, c\u1ef1c k\u1ef3 ti\u1ec7n l\u1ee3i \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u.<\/li>\n<li><strong>Th\u1ebb nh\u1edb (SD Card):<\/strong> <strong>V\u00ed d\u1ee5 v\u1ec1 secondary storage<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean \u0111i\u1ec7n tho\u1ea1i, m\u00e1y \u1ea3nh, flycam.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_37050\" aria-describedby=\"caption-attachment-37050\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-37050\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Cac-loai-thiet-bi-luu-tru-thu-cap-pho-bien.jpg\" alt=\"C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ee9 c\u1ea5p ph\u1ed5 bi\u1ebfn\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Cac-loai-thiet-bi-luu-tru-thu-cap-pho-bien.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Cac-loai-thiet-bi-luu-tru-thu-cap-pho-bien-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Cac-loai-thiet-bi-luu-tru-thu-cap-pho-bien-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-37050\" class=\"wp-caption-text\">C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ee9 c\u1ea5p ph\u1ed5 bi\u1ebfn<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-bi-luu-tru-quang-hoc-Optical-Storage\"><\/span>Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef quang h\u1ecdc (Optical Storage)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1eebng l\u00e0 &#8220;vua&#8221; c\u1ee7a ph\u00e2n ph\u1ed1i ph\u1ea7n m\u1ec1m v\u00e0 gi\u1ea3i tr\u00ed, nh\u01b0ng hi\u1ec7n nay \u0111ang d\u1ea7n tho\u00e1i tr\u00e0o.<\/p>\n<ul>\n<li><strong>Nguy\u00ean l\u00fd:<\/strong> S\u1eed d\u1ee5ng tia laser \u0111\u1ec3 \u0111\u1ed1t c\u00e1c v\u1ebft l\u00f5m (pits) tr\u00ean b\u1ec1 m\u1eb7t \u0111\u0129a nh\u1ef1a plastic. \u0110\u1ea7u \u0111\u1ecdc s\u1ebd chi\u1ebfu laser v\u00e0o v\u00e0 d\u1ef1a tr\u00ean s\u1ef1 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng \u0111\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u0110\u1ea1i di\u1ec7n ph\u1ed5 bi\u1ebfn:<\/strong>\n<ul>\n<li><strong>CD (Compact Disc):<\/strong> Dung l\u01b0\u1ee3ng kho\u1ea3ng 700MB, ch\u1ee7 y\u1ebfu ch\u1ee9a nh\u1ea1c.<\/li>\n<li><strong>DVD (Digital Versatile Disc):<\/strong> Dung l\u01b0\u1ee3ng 4.7GB &#8211; 8.5GB, d\u00f9ng ch\u1ee9a phim, c\u00e0i \u0111\u1eb7t Windows c\u0169.<\/li>\n<li><strong>Blu-ray:<\/strong> Dung l\u01b0\u1ee3ng l\u1edbn (25GB &#8211; 50GB+), d\u00f9ng cho phim \u0111\u1ed9 n\u00e9t cao v\u00e0 game console.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Optical disk l\u00e0 g\u00ec<\/strong>: Ch\u00ednh l\u00e0 t\u00ean g\u1ecdi chung c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u0129a d\u00f9ng c\u00f4ng ngh\u1ec7 laser k\u1ec3 tr\u00ean (\u0111\u0129a quang).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Luu-tru-dam-may-Cloud-Storage-%E2%80%93-Mo-rong-gia-tri\"><\/span>L\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y (Cloud Storage) &#8211; M\u1edf r\u1ed9ng gi\u00e1 tr\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong k\u1ef7 nguy\u00ean Internet, Cloud Storage n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t d\u1ea1ng <strong>Secondary Storage<\/strong> th\u1ebf h\u1ec7 m\u1edbi. Thay v\u00ec l\u01b0u d\u1eef li\u1ec7u tr\u00ean \u1ed5 c\u1ee9ng v\u1eadt l\u00fd t\u1ea1i nh\u00e0, b\u1ea1n l\u01b0u ch\u00fang tr\u00ean h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 c\u1ee7a nh\u00e0 cung c\u1ea5p (nh\u01b0 Google Drive, OneDrive, Dropbox, ho\u1eb7c c\u00e1c d\u1ecbch v\u1ee5 Cloud Server c\u1ee7a <strong>InterData<\/strong>).<\/p>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a Cloud l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb b\u1ea5t k\u1ef3 \u0111\u00e2u, b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o mi\u1ec5n l\u00e0 c\u00f3 Internet, lo\u1ea1i b\u1ecf n\u1ed7i lo h\u1ecfng h\u00f3c ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-Primary-Storage-va-Secondary-Storage\"><\/span>So s\u00e1nh Primary Storage v\u00e0 Secondary Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u s\u00e2u s\u1eafc v\u1ec1 ki\u1ebfn tr\u00fac m\u00e1y t\u00ednh, vi\u1ec7c <strong>so s\u00e1nh b\u1ed9 nh\u1edb s\u01a1 c\u1ea5p v\u00e0 th\u1ee9 c\u1ea5p<\/strong> l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng. R\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u1eabn ch\u01b0a <strong>ph\u00e2n bi\u1ec7t primary memory v\u00e0 secondary memory<\/strong> m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh chi ti\u1ebft gi\u00fap b\u1ea1n th\u1ea5y r\u00f5 s\u1ef1 <strong>kh\u00e1c nhau gi\u1eefa main memory v\u00e0 secondary memory<\/strong>:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; font-size: 15px; line-height: 1.6; margin: 20px 0; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\">\n<thead>\n<tr style=\"background: linear-gradient(90deg, #0C40F4, #077FFA, #0497FC); color: #ffffff;\">\n<th style=\"padding: 14px 12px; border: 1px solid #e5e7eb; text-align: left;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 14px 12px; border: 1px solid #e5e7eb; text-align: left;\">Primary Storage (B\u1ed9 nh\u1edb ch\u00ednh)<\/th>\n<th style=\"padding: 14px 12px; border: 1px solid #e5e7eb; text-align: left;\">Secondary Storage (B\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">\u0110\u1ecbnh ngh\u0129a<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">B\u1ed9 nh\u1edb l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp v\u1edbi CPU.<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">B\u1ed9 nh\u1edb l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i, h\u1ed7 tr\u1ee3 b\u1ed9 nh\u1edb ch\u00ednh.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">T\u00ean g\u1ecdi kh\u00e1c<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Main Memory, Internal Memory, RAM.<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Auxiliary Memory, External Memory, Mass Storage.<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Volatile (Kh\u1ea3 bi\u1ebfn): M\u1ea5t d\u1eef li\u1ec7u khi m\u1ea5t \u0111i\u1ec7n.<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Non-volatile (B\u1ea5t bi\u1ebfn): Gi\u1eef nguy\u00ean d\u1eef li\u1ec7u khi m\u1ea5t \u0111i\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">V\u1ecb tr\u00ed &amp; K\u1ebft n\u1ed1i<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">K\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi CPU qua Bus h\u1ec7 th\u1ed1ng.<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">K\u1ebft n\u1ed1i gi\u00e1n ti\u1ebfp v\u1edbi CPU qua c\u00e1c c\u1ed5ng I\/O controller.<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">T\u1ed1c \u0111\u1ed9 truy c\u1eadp<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">R\u1ea5t nhanh (t\u00ednh b\u1eb1ng Nanosecond).<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Ch\u1eadm h\u01a1n nhi\u1ec1u (t\u00ednh b\u1eb1ng Millisecond ho\u1eb7c Microsecond).<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Dung l\u01b0\u1ee3ng<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">H\u1ea1n ch\u1ebf (Th\u01b0\u1eddng t\u1eeb 4GB \u2013 64GB tr\u00ean PC).<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">R\u1ea5t l\u1edbn (Th\u01b0\u1eddng t\u1eeb 250GB \u2013 v\u00e0i ch\u1ee5c TB).<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fbff;\">\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Chi ph\u00ed \/ GB<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">\u0110\u1eaft \u0111\u1ecf.<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">R\u1ebb h\u01a1n r\u1ea5t nhi\u1ec1u.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb; font-weight: 600;\">Vai tr\u00f2 ch\u00ednh<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">Ch\u1ee9a d\u1eef li\u1ec7u v\u00e0 l\u1ec7nh m\u00e0 CPU \u0111ang x\u1eed l\u00fd t\u1ee9c th\u1eddi.<\/td>\n<td style=\"padding: 12px; border: 1px solid #e5e7eb;\">L\u01b0u tr\u1eef h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m v\u00e0 file c\u00e1 nh\u00e2n \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Qua b\u1ea3ng tr\u00ean, ch\u00fang ta th\u1ea5y r\u00f5 m\u1ed1i quan h\u1ec7 c\u1ed9ng sinh: Secondary Storage l\u00e0 kho h\u00e0ng kh\u1ed5ng l\u1ed3 nh\u01b0ng c\u1eeda h\u1eb9p, c\u00f2n Primary Storage l\u00e0 b\u00e0n l\u00e0m vi\u1ec7c nh\u1ecf nh\u01b0ng thao t\u00e1c c\u1ef1c nhanh. M\u00e1y t\u00ednh c\u1ea7n c\u1ea3 hai \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n<figure id=\"attachment_37051\" aria-describedby=\"caption-attachment-37051\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-37051\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/So-sanh-Primary-Storage-va-Secondary-Storage.jpg\" alt=\"So s\u00e1nh Primary Storage v\u00e0 Secondary Storage\" width=\"800\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/So-sanh-Primary-Storage-va-Secondary-Storage.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/So-sanh-Primary-Storage-va-Secondary-Storage-300x169.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/So-sanh-Primary-Storage-va-Secondary-Storage-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-37051\" class=\"wp-caption-text\">So s\u00e1nh Primary Storage v\u00e0 Secondary Storage<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Secondary-Storage-co-phai-la-External-Storage-khong\"><\/span>Secondary Storage c\u00f3 ph\u1ea3i l\u00e0 External Storage kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Secondary Storage kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi External Storage. External Storage ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a Secondary Storage.<\/p>\n<p>\u1ed4 c\u1ee9ng g\u1eafn trong laptop l\u00e0 Secondary Storage nh\u01b0ng kh\u00f4ng ph\u1ea3i External Storage. USB v\u00e0 \u1ed5 c\u1ee9ng g\u1eafn ngo\u00e0i v\u1eeba l\u00e0 Secondary Storage, v\u1eeba l\u00e0 External Storage. Vi\u1ec7c ph\u00e2n bi\u1ec7t r\u00f5 gi\u00fap tr\u00e1nh nh\u1ea7m l\u1eabn khi h\u1ecdc ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Khi-nao-can-su-dung-Secondary-Storage\"><\/span>Khi n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng Secondary Storage?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1ef1c t\u1ebf, <strong>Secondary Storage<\/strong> ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c ngay t\u1eeb khi b\u1ea1n b\u1eadt m\u00e1y t\u00ednh. Tuy nhi\u00ean, c\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3 m\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3 tr\u1edf n\u00ean t\u1ed1i quan tr\u1ecdng v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ch\u1ee7 \u0111\u1ed9ng qu\u1ea3n l\u00fd:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Luu-tru-du-lieu-lau-dai-Archiving\"><\/span>1. L\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i (Archiving)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi b\u1ea1n ho\u00e0n th\u00e0nh m\u1ed9t d\u1ef1 \u00e1n, ch\u1ec9nh s\u1eeda xong m\u1ed9t video hay ch\u1ee5p xong b\u1ed9 \u1ea3nh k\u1ef7 y\u1ebfu, b\u1ea1n c\u1ea7n l\u01b0u ch\u00fang v\u00e0o \u1ed5 c\u1ee9ng. \u0110\u00e2y l\u00e0 ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n nh\u1ea5t. \u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p, vi\u1ec7c l\u01b0u tr\u1eef h\u1ed3 s\u01a1 nh\u00e2n s\u1ef1, d\u1eef li\u1ec7u k\u1ebf to\u00e1n trong 5-10 n\u0103m l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c c\u1ee7a ph\u00e1p lu\u1eadt, l\u00fac n\u00e0y c\u00e1c h\u1ec7 th\u1ed1ng b\u0103ng t\u1eeb ho\u1eb7c HDD Server dung l\u01b0\u1ee3ng l\u1edbn s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Backup-Sao-luu-du-lieu\"><\/span>2. Backup (Sao l\u01b0u d\u1eef li\u1ec7u)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nguy\u00ean t\u1eafc v\u00e0ng trong an to\u00e0n th\u00f4ng tin l\u00e0 &#8220;3-2-1&#8221;. B\u1ea1n c\u1ea7n \u00edt nh\u1ea5t m\u1ed9t b\u1ea3n sao d\u1eef li\u1ec7u n\u1eb1m tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb <strong>Secondary Storage<\/strong> kh\u00e1c (nh\u01b0 \u1ed5 c\u1ee9ng r\u1eddi ho\u1eb7c Cloud). Vi\u1ec7c n\u00e0y b\u1ea3o v\u1ec7 b\u1ea1n kh\u1ecfi ransomware, h\u1ecfng ph\u1ea7n c\u1ee9ng ho\u1eb7c m\u1ea5t tr\u1ed9m m\u00e1y t\u00ednh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Luu-tru-he-dieu-hanh-System-Installation\"><\/span>3. L\u01b0u tr\u1eef h\u1ec7 \u0111i\u1ec1u h\u00e0nh (System Installation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ecdi m\u00e1y t\u00ednh mu\u1ed1n kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ec1u ph\u1ea3i c\u00f3 h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u01b0\u1ee3c c\u00e0i s\u1eb5n tr\u00ean b\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p. Khi b\u1eadt m\u00e1y, BIOS s\u1ebd t\u00ecm \u0111\u1ebfn thi\u1ebft b\u1ecb n\u00e0y (Boot device) \u0111\u1ec3 n\u1ea1p Windows\/Linux v\u00e0o RAM.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Luu-tru-du-lieu-Server-Cloud\"><\/span>4. L\u01b0u tr\u1eef d\u1eef li\u1ec7u Server \/ Cloud<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng website, \u1ee9ng d\u1ee5ng online (nh\u01b0 Facebook, Zalo) \u0111\u1ec1u l\u01b0u d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng <strong>Secondary Storage<\/strong> kh\u1ed5ng l\u1ed3 \u0111\u1eb7t t\u1ea1i c\u00e1c Data Center. N\u1ebfu b\u1ea1n \u0111ang thu\u00ea d\u1ecbch v\u1ee5 VPS ho\u1eb7c Hosting t\u1ea1i <strong>InterData<\/strong>, d\u1eef li\u1ec7u website c\u1ee7a b\u1ea1n c\u0169ng \u0111ang n\u1eb1m an to\u00e0n tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng SSD Enterprise ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nen-chon-Secondary-Storage-loai-nao-cho-may-tinh-SSD-hay-HDD\"><\/span>N\u00ean ch\u1ecdn Secondary Storage lo\u1ea1i n\u00e0o cho m\u00e1y t\u00ednh? (SSD hay HDD)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi &#8220;tri\u1ec7u \u0111\u00f4&#8221; c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng. Hi\u1ec3u r\u00f5 <strong>HDD v\u00e0 SSD l\u00e0 b\u1ed9 nh\u1edb g\u00ec<\/strong> l\u00e0 ch\u01b0a \u0111\u1ee7, b\u1ea1n c\u1ea7n bi\u1ebft khi n\u00e0o n\u00ean mua lo\u1ea1i n\u00e0o. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u01b0 v\u1ea5n d\u1ef1a tr\u00ean kinh nghi\u1ec7m th\u1ef1c t\u1ebf:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khi-nao-nen-chon-HDD\"><\/span>Khi n\u00e0o n\u00ean ch\u1ecdn HDD?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Ng\u00e2n s\u00e1ch h\u1ea1n h\u1eb9p:<\/strong> B\u1ea1n c\u1ea7n nhi\u1ec1u dung l\u01b0\u1ee3ng nh\u1ea5t v\u1edbi s\u1ed1 ti\u1ec1n \u00edt nh\u1ea5t.<\/li>\n<li><strong>L\u01b0u tr\u1eef thu\u1ea7n t\u00fay:<\/strong> B\u1ea1n c\u1ea7n \u1ed5 \u0111\u0129a th\u1ee9 2, th\u1ee9 3 ch\u1ec9 \u0111\u1ec3 ch\u1ee9a file \u1ea3nh, phim, source c\u00e0i game (kh\u00f4ng ph\u1ea3i \u1ed5 c\u00e0i Win).<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng Camera\/NAS:<\/strong> C\u00e1c h\u1ec7 th\u1ed1ng ghi h\u00ecnh li\u00ean t\u1ee5c ho\u1eb7c server l\u01b0u tr\u1eef gia \u0111\u00ecnh th\u01b0\u1eddng \u01b0u ti\u00ean \u0111\u1ed9 b\u1ec1n ghi x\u00f3a v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a HDD chuy\u00ean d\u1ee5ng (nh\u01b0 d\u00f2ng WD Red hay Seagate IronWolf).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Khi-nao-nen-chon-SSD\"><\/span>Khi n\u00e0o n\u00ean ch\u1ecdn SSD?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>C\u00e0i \u0111\u1eb7t H\u1ec7 \u0111i\u1ec1u h\u00e0nh:<\/strong> \u0110\u00e2y l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c hi\u1ec7n nay. C\u00e0i Win tr\u00ean HDD s\u1ebd khi\u1ebfn m\u00e1y t\u00ednh hi\u1ec7n \u0111\u1ea1i ch\u1ea1y c\u1ef1c k\u1ef3 \u00ec \u1ea1ch (Disk 100% usage).<\/li>\n<li><strong>C\u1ea7n t\u1ed1c \u0111\u1ed9:<\/strong> B\u1ea1n l\u00e0m \u0111\u1ed3 h\u1ecda, d\u1ef1ng phim, ch\u01a1i game n\u1eb7ng. SSD gi\u00fap ph\u1ea7n m\u1ec1m m\u1edf l\u00ean trong t\u00edch t\u1eafc v\u00e0 load map game nhanh h\u01a1n.<\/li>\n<li><strong>Laptop di chuy\u1ec3n nhi\u1ec1u:<\/strong> SSD ch\u1ed1ng s\u1ed1c t\u1ed1t h\u01a1n HDD. N\u1ebfu b\u1ea1n l\u1ee1 tay l\u00e0m r\u01a1i laptop, kh\u1ea3 n\u0103ng \u1ed5 SSD s\u1ed1ng s\u00f3t cao h\u01a1n nhi\u1ec1u so v\u1edbi HDD \u0111ang quay.<\/li>\n<\/ul>\n<p><strong>L\u1eddi khuy\u00ean t\u1eeb InterData:<\/strong> V\u1edbi gi\u00e1 th\u00e0nh SSD ng\u00e0y c\u00e0ng r\u1ebb, c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng hi\u1ec7n nay l\u00e0: <strong>01 SSD (250GB &#8211; 500GB)<\/strong> \u0111\u1ec3 c\u00e0i Win v\u00e0 ph\u1ea7n m\u1ec1m + <strong>01 HDD (1TB &#8211; 2TB)<\/strong> \u0111\u1ec3 l\u01b0u d\u1eef li\u1ec7u.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-han-che-can-biet-cua-Secondary-Storage\"><\/span>Nh\u1eefng h\u1ea1n ch\u1ebf c\u1ea7n bi\u1ebft c\u1ee7a Secondary Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m h\u1ea1n ch\u1ebf r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a Secondary Storage l\u00e0 <strong>t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t d\u1eef li\u1ec7u th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi Primary Storage<\/strong>. Nguy\u00ean nh\u00e2n ch\u00ednh \u0111\u1ebfn t\u1eeb vi\u1ec7c nhi\u1ec1u thi\u1ebft b\u1ecb l\u01b0u tr\u1eef th\u1ee9 c\u1ea5p, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1ed5 c\u1ee9ng HDD, v\u1eabn ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 h\u1ecdc nh\u01b0 \u0111\u0129a quay v\u00e0 \u0111\u1ea7u \u0111\u1ecdc\/ghi.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c linh ki\u1ec7n chuy\u1ec3n \u0111\u1ed9ng c\u0169ng khi\u1ebfn Secondary Storage d\u1ec5 g\u1eb7p r\u1ee7i ro h\u01b0 h\u1ecfng v\u1eadt l\u00fd khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i.<\/p>\n<figure id=\"attachment_37052\" aria-describedby=\"caption-attachment-37052\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-37052\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Han-che-can-biet-cua-Secondary-Storage-1024x413.webp\" alt=\"H\u1ea1n ch\u1ebf c\u1ea7n bi\u1ebft c\u1ee7a Secondary Storage\" width=\"1020\" height=\"411\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Han-che-can-biet-cua-Secondary-Storage-1024x413.webp 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Han-che-can-biet-cua-Secondary-Storage-300x121.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Han-che-can-biet-cua-Secondary-Storage-768x310.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Han-che-can-biet-cua-Secondary-Storage.webp 1240w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><figcaption id=\"caption-attachment-37052\" class=\"wp-caption-text\">H\u1ea1n ch\u1ebf c\u1ea7n bi\u1ebft c\u1ee7a Secondary Storage<\/figcaption><\/figure>\n<p>C\u00e1c h\u1ea1n ch\u1ebf ch\u00ednh c\u1ee7a Secondary Storage c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn nh\u1eadn qua nh\u1eefng kh\u00eda c\u1ea1nh sau:<\/p>\n<ul>\n<li><strong>T\u1ed1c \u0111\u1ed9 truy c\u1eadp d\u1eef li\u1ec7u th\u1ea5p:<\/strong> So v\u1edbi b\u1ed9 nh\u1edb ch\u00ednh nh\u01b0 RAM, t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc v\u00e0 ghi c\u1ee7a Secondary Storage ch\u1eadm h\u01a1n nhi\u1ec1u do b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 h\u1ecdc nh\u01b0 \u0111\u0129a t\u1eeb quay v\u00e0 \u0111\u1ea7u \u0111\u1ecdc\/ghi.<\/li>\n<li><strong>Nguy c\u01a1 h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc:<\/strong> C\u00e1c \u1ed5 c\u1ee9ng truy\u1ec1n th\u1ed1ng (HDD) c\u00f3 c\u1ea5u t\u1ea1o v\u1edbi nhi\u1ec1u b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng b\u00ean trong, v\u00ec v\u1eady r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi va \u0111\u1eadp ho\u1eb7c rung l\u1eafc, d\u1eabn \u0111\u1ebfn nguy c\u01a1 h\u1ecfng h\u00f3c v\u1eadt l\u00fd cao h\u01a1n.<\/li>\n<li><strong>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u00e0 ph\u00e1t sinh ti\u1ebfng \u1ed3n:<\/strong> Khi so s\u00e1nh v\u1edbi \u1ed5 c\u1ee9ng th\u1ec3 r\u1eafn (SSD), c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef c\u01a1 h\u1ecdc th\u01b0\u1eddng ti\u00eau th\u1ee5 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1o ra ti\u1ebfng \u1ed3n do chuy\u1ec3n \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong.<\/li>\n<li><strong>Tu\u1ed5i th\u1ecd b\u1ecb gi\u1edbi h\u1ea1n:<\/strong> S\u1ef1 hao m\u00f2n t\u1ef1 nhi\u00ean c\u1ee7a c\u00e1c linh ki\u1ec7n c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh l\u00e2u d\u00e0i l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u1edbi h\u1ea1n tu\u1ed5i th\u1ecd c\u1ee7a Secondary Storage d\u1ea1ng c\u01a1 h\u1ecdc.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Xu-huong-phat-trien-cua-Secondary-Storage-hien-nay\"><\/span>Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a Secondary Storage hi\u1ec7n nay<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f4ng ngh\u1ec7 Secondary Storage \u0111ang li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u l\u01b0u tr\u1eef d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1eadp trung m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef tr\u00ean c\u1ea3 HDD v\u00e0 SSD, gi\u00fap h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u ng\u00e0y m\u1ed9t l\u1edbn.<\/p>\n<p>Song song v\u1edbi \u0111\u00f3, <strong>c\u00f4ng ngh\u1ec7 NVMe (Non-Volatile Memory Express)<\/strong> \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean c\u00e1c d\u00f2ng SSD hi\u1ec7n \u0111\u1ea1i, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy c\u1eadp d\u1eef li\u1ec7u nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c chu\u1ea9n giao ti\u1ebfp truy\u1ec1n th\u1ed1ng. Ngo\u00e0i nh\u1eefng c\u1ea3i ti\u1ebfn hi\u1ec7n c\u00f3, c\u00e1c c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef m\u1edbi nh\u01b0 <strong>DNA storage<\/strong> hay <strong>holographic storage<\/strong> c\u0169ng \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, v\u1edbi m\u1ee5c ti\u00eau l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1edf m\u1eadt \u0111\u1ed9 c\u1ef1c cao trong t\u01b0\u01a1ng lai.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Thue-Hosting-%E2%80%93-VPS-toc-do-cao-tai-InterData\"><\/span>Thu\u00ea Hosting &#8211; VPS t\u1ed1c \u0111\u1ed9 cao t\u1ea1i InterData<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi \u0111\u00e3 hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a Secondary Storage trong vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i, nhi\u1ec1u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p b\u1eaft \u0111\u1ea7u quan t\u00e2m \u0111\u1ebfn <strong>h\u1ea1 t\u1ea7ng n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1eb7t<\/strong>. M\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef \u1ed5n \u0111\u1ecbnh c\u1ea7n \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh tr\u00ean n\u1ec1n t\u1ea3ng hosting v\u00e0 VPS c\u00f3 ph\u1ea7n c\u1ee9ng \u0111\u1ee7 m\u1ea1nh, t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 tin c\u1eady t\u1ed1t \u0111\u1ec3 <strong>tr\u00e1nh r\u1ee7i ro m\u1ea5t d\u1eef li\u1ec7u ho\u1eb7c gi\u00e1n \u0111o\u1ea1n truy c\u1eadp<\/strong>.<\/p>\n<p>T\u1ea1i InterData, d\u1ecbch v\u1ee5<a href=\"https:\/\/interdata.vn\/thue-hosting\/\"><strong> thu\u00ea hosting gi\u00e1 r\u1ebb<\/strong><\/a> v\u00e0 <strong><a href=\"https:\/\/interdata.vn\/thue-vps\/\">VPS t\u1ed1c \u0111\u1ed9 cao<\/a><\/strong> \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean ph\u1ea7n c\u1ee9ng th\u1ebf h\u1ec7 m\u1edbi, s\u1eed d\u1ee5ng <strong>CPU AMD EPYC<\/strong>, <strong>100%<\/strong> <strong>SSD NVMe U.2<\/strong> cho kh\u1ea3 n\u0103ng \u0111\u1ecdc ghi nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh. B\u0103ng th\u00f4ng l\u1edbn c\u00f9ng c\u1ea5u h\u00ecnh m\u1ea1nh gi\u00fap d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy xu\u1ea5t m\u01b0\u1ee3t m\u00e0, ph\u00f9 h\u1ee3p cho website, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef, backup v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n Secondary Storage hi\u1ec7u qu\u1ea3.<\/p>\n<p><strong>Chi ph\u00ed Hosting ch\u1ec9 t\u1eeb 30.000\u0111\/th\u00e1ng<\/strong> nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 uy t\u00edn l\u00e2u d\u00e0i, InterData h\u01b0\u1edbng t\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef t\u1ed1i \u01b0u, d\u1ec5 m\u1edf r\u1ed9ng v\u00e0 s\u1eed d\u1ee5ng \u1ed5n \u0111\u1ecbnh. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm m\u1ed9t n\u1ec1n t\u1ea3ng \u0111\u1ec3 tri\u1ec3n khai website, VPS ho\u1eb7c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u an to\u00e0n, li\u00ean h\u1ec7 <strong><a href=\"https:\/\/interdata.vn\/\">InterData<\/a> <\/strong>s\u1ebd gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p ngay t\u1eeb \u0111\u1ea7u, tr\u00e1nh l\u00e3ng ph\u00ed v\u00e0 r\u1ee7i ro v\u1ec1 sau.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang ph\u00e2n v\u00e2n ch\u01b0a bi\u1ebft n\u00ean ch\u1ecdn g\u00f3i d\u1ecbch v\u1ee5 n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng, h\u00e3y li\u00ean h\u1ec7 ngay v\u1edbi \u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket-luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Qua b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 n\u1eafm v\u1eefng <strong>Secondary Storage l\u00e0 g\u00ec<\/strong>, ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c nhau gi\u1eefa c\u00e1c lo\u1ea1i b\u1ed9 nh\u1edb v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong h\u1ec7 sinh th\u00e1i m\u00e1y t\u00ednh. <strong>B\u1ed9 nh\u1edb th\u1ee9 c\u1ea5p<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 kho l\u01b0u tr\u1eef v\u00f4 tri, m\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n s\u1ed1 qu\u00fd gi\u00e1 c\u1ee7a b\u1ea1n.<\/p>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i thi\u1ebft b\u1ecb l\u01b0u tr\u1eef (SSD cho t\u1ed1c \u0111\u1ed9, HDD cho dung l\u01b0\u1ee3ng) s\u1ebd gi\u00fap m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed. N\u1ebfu b\u1ea1n c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7 ho\u1eb7c c\u1ea7n t\u01b0 v\u1ea5n v\u1ec1 h\u1ea1 t\u1ea7ng CNTT, \u0111\u1eebng ng\u1ea7n ng\u1ea1i \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a <strong>InterData<\/strong> \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 nhanh nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Secondary Storage l\u00e0 n\u1ec1n t\u1ea3ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e2u d\u00e0i trong m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng CNTT hi\u1ec7n \u0111\u1ea1i. V\u1edbi b\u00e0i vi\u1ebft n\u00e0y, InterData gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 Secondary Storage l\u00e0 g\u00ec, vai tr\u00f2 th\u1ef1c t\u1ebf, c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb ph\u1ed5 bi\u1ebfn, c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi Primary Storage v\u00e0 nh\u1eefng hi\u1ec3u l\u1ea7m th\u01b0\u1eddng g\u1eb7p.<\/p>\n","protected":false},"author":11,"featured_media":37053,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-37035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/37035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=37035"}],"version-history":[{"count":4,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/37035\/revisions"}],"predecessor-version":[{"id":37111,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/37035\/revisions\/37111"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/37053"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=37035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=37035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=37035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}