{"id":16706,"date":"2025-03-25T09:15:39","date_gmt":"2025-03-25T02:15:39","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=16706"},"modified":"2025-03-25T09:15:39","modified_gmt":"2025-03-25T02:15:39","slug":"block-storage-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/","title":{"rendered":"Block Storage l\u00e0 g\u00ec? \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m, \u1ee8ng d\u1ee5ng v\u00e0 So s\u00e1nh"},"content":{"rendered":"\n<p><a href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/\">Block Storage<\/a> l\u00e0 gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u1ea1ng kh\u1ed1i, mang l\u1ea1i hi\u1ec7u n\u0103ng cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 so s\u00e1nh Block Storage v\u1edbi c\u00e1c lo\u1ea1i l\u01b0u tr\u1eef kh\u00e1c. B\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c giao th\u1ee9c li\u00ean quan nh\u01b0 iSCSI, Fibre Channel, NVMe v\u00e0 c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 h\u00e0ng \u0111\u1ea7u nh\u01b0 AWS, GCP, Azure. H\u00e3y c\u00f9ng InterData kh\u00e1m ph\u00e1 chi ti\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef m\u1ea1nh m\u1ebd n\u00e0y.<\/p>\n<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\/block-storage-la-gi\/#Block-Storage-la-gi\" >Block 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\/block-storage-la-gi\/#Nguyen-tac-hoat-dong-cua-Block-Storage\" >Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Block Storage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#Nhung-uu-diem-cua-Block-Storage\" >Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a Block Storage<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#1-Hieu-nang-cao\" >1. Hi\u1ec7u n\u0103ng cao<\/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\/block-storage-la-gi\/#2-Do-tre-thap\" >2. \u0110\u1ed9 tr\u1ec5 th\u1ea5p<\/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\/block-storage-la-gi\/#3-Tinh-linh-hoat\" >3. T\u00ednh linh ho\u1ea1t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#4-Kha-nang-mo-rong\" >4. Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#5-Do-tin-cay\" >5. \u0110\u1ed9 tin c\u1eady<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#Nhung-nhuoc-diem-cua-Block-Storage\" >Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Block Storage<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#1-Quan-ly-phuc-tap\" >1. Qu\u1ea3n l\u00fd ph\u1ee9c t\u1ea1p<\/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\/block-storage-la-gi\/#2-Chi-phi-cao\" >2. Chi ph\u00ed cao<\/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\/block-storage-la-gi\/#3-Kho-chia-se-du-lieu\" >3. Kh\u00f3 chia s\u1ebb 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-13\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#4-Thieu-Metadata\" >4. Thi\u1ebfu Metadata<\/a><\/li><\/ul><\/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\/block-storage-la-gi\/#So-sanh-Block-Storage-voi-cac-loai-luu-tru-khac\" >So s\u00e1nh Block Storage v\u1edbi c\u00e1c lo\u1ea1i l\u01b0u tr\u1eef kh\u00e1c<\/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\/block-storage-la-gi\/#Block-Storage-dung-de-lam-gi\" >Block Storage d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/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\/block-storage-la-gi\/#1-Luu-tru-co-so-du-lieu\" >1. L\u01b0u tr\u1eef c\u01a1 s\u1edf 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-17\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#2-Luu-tru-may-chu-ao-Virtual-Machines\" >2. L\u01b0u tr\u1eef m\u00e1y ch\u1ee7 \u1ea3o (Virtual Machines)<\/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\/block-storage-la-gi\/#3-Ung-dung-hieu-nang-cao\" >3. \u1ee8ng d\u1ee5ng hi\u1ec7u n\u0103ng cao<\/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\/block-storage-la-gi\/#4-He-thong-luu-tru-SAN\" >4. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef SAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#5-Boot-volume\" >5. Boot volume<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#Cac-giao-thuc-va-cong-nghe-lien-quan-Block-Storage\" >C\u00e1c giao th\u1ee9c v\u00e0 c\u00f4ng ngh\u1ec7 li\u00ean quan Block Storage<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#1-iSCSI-Internet-Small-Computer-System-Interface\" >1. iSCSI (Internet Small Computer System Interface)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#2-Fibre-Channel\" >2. Fibre Channel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#3-NVMe-Non-Volatile-Memory-Express\" >3. NVMe (Non-Volatile Memory Express)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#4-NVMe-oF-NVMe-over-Fabrics\" >4. NVMe-oF (NVMe over Fabrics)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#5-RAID-Redundant-Array-of-Independent-Disks\" >5. RAID (Redundant Array of Independent Disks)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#Nhung-nha-cung-cap-dich-vu-Block-Storage-noi-bat\" >Nh\u1eefng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Block Storage n\u1ed5i b\u1eadt<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#1-Amazon-Web-Services-AWS\" >1. Amazon Web Services (AWS)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#2-Google-Cloud-Platform-GCP\" >2. Google Cloud Platform (GCP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#3-Microsoft-Azure\" >3. Microsoft Azure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/interdata.vn\/blog\/block-storage-la-gi\/#4-Cac-nha-cung-cap-khac\" >4. C\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Block-Storage-la-gi\"><\/span>Block Storage l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Block Storage l\u00e0<\/strong> m\u1ed9t c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u00e0 trong \u0111\u00f3, <strong>d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chia nh\u1ecf th\u00e0nh c\u00e1c kh\u1ed1i<\/strong> (block) c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng nhau v\u00e0 <strong>\u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ed9c l\u1eadp<\/strong>. M\u1ed7i kh\u1ed1i n\u00e0y c\u00f3 m\u1ed9t \u0111\u1ecba ch\u1ec9 ri\u00eang bi\u1ec7t, cho ph\u00e9p h\u1ec7 th\u1ed1ng truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o t\u1eebng kh\u1ed1i d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n th\u00f4ng qua h\u1ec7 th\u1ed1ng t\u1ec7p tin, gi\u1ed1ng nh\u01b0 truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o t\u1eebng &#8220;\u00f4 nh\u1edb&#8221; tr\u00ean \u1ed5 c\u1ee9ng.<\/p>\n<figure id=\"attachment_26036\" aria-describedby=\"caption-attachment-26036\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage.jpg\" alt=\"Block Storage\" width=\"800\" height=\"420\" class=\"size-full wp-image-26036\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-300x158.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-768x403.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-750x394.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-26036\" class=\"wp-caption-text\">Block Storage<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Nguyen-tac-hoat-dong-cua-Block-Storage\"><\/span>Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Block Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Block Storage ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean vi\u1ec7c chia nh\u1ecf d\u1eef li\u1ec7u<\/strong> th\u00e0nh c\u00e1c kh\u1ed1i (block) c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh v\u00e0 g\u00e1n cho m\u1ed7i kh\u1ed1i m\u1ed9t \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t. H\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o t\u1eebng kh\u1ed1i th\u00f4ng qua \u0111\u1ecba ch\u1ec9 n\u00e0y, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i th\u00f4ng qua h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u1ec7p tin ph\u1ee9c t\u1ea1p. Qu\u00e1 tr\u00ecnh chia nh\u1ecf v\u00e0 \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 r\u1ea5t quan tr\u1ecdng.<\/p>\n<p>Qu\u00e1 tr\u00ecnh chia nh\u1ecf n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c b\u1ea1n chia m\u1ed9t cu\u1ed1n s\u00e1ch th\u00e0nh c\u00e1c trang ri\u00eang l\u1ebb. M\u1ed7i trang \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1 (\u0111\u1ecba ch\u1ec9) v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 m\u1edf tr\u1ef1c ti\u1ebfp \u0111\u1ebfn trang c\u1ea7n thi\u1ebft m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ecdc t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i. <strong>K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed7i kh\u1ed1i<\/strong> (block size) th\u01b0\u1eddng l\u00e0 c\u1ed1 \u0111\u1ecbnh, v\u00ed d\u1ee5 nh\u01b0 4KB, 8KB, ho\u1eb7c 16KB, t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng.<\/p>\n<p>Khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c \u1ee9ng d\u1ee5ng c\u1ea7n ghi d\u1eef li\u1ec7u, <strong>d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c kh\u1ed1i<\/strong> c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p. Sau \u0111\u00f3, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef s\u1ebd t\u00ecm c\u00e1c kh\u1ed1i tr\u1ed1ng tr\u00ean \u1ed5 \u0111\u0129a v\u00e0 ghi d\u1eef li\u1ec7u v\u00e0o \u0111\u00f3. Th\u00f4ng tin v\u1ec1 v\u1ecb tr\u00ed c\u1ee7a c\u00e1c kh\u1ed1i n\u00e0y (\u0111\u1ecba ch\u1ec9) s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i trong m\u1ed9t b\u1ea3ng qu\u1ea3n l\u00fd (c\u00f3 th\u1ec3 coi nh\u01b0 m\u1ee5c l\u1ee5c).<\/p>\n<p>Khi c\u1ea7n \u0111\u1ecdc d\u1eef li\u1ec7u, h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c \u1ee9ng d\u1ee5ng s\u1ebd <strong>g\u1eedi y\u00eau c\u1ea7u \u0111\u1ecdc k\u00e8m theo \u0111\u1ecba ch\u1ec9<\/strong> c\u1ee7a kh\u1ed1i d\u1eef li\u1ec7u c\u1ea7n truy c\u1eadp. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef s\u1ebd d\u1ef1a v\u00e0o b\u1ea3ng qu\u1ea3n l\u00fd \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a kh\u1ed1i tr\u00ean \u1ed5 \u0111\u0129a v\u00e0 \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb \u0111\u00f3. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra r\u1ea5t nhanh ch\u00f3ng, mang l\u1ea1i hi\u1ec7u n\u0103ng cao.<\/p>\n<p>M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 Block Storage <strong>kh\u00f4ng t\u1ef1 qu\u1ea3n l\u00fd metadata<\/strong> (si\u00eau d\u1eef li\u1ec7u) nh\u01b0 t\u00ean t\u1ec7p, lo\u1ea1i t\u1ec7p, quy\u1ec1n truy c\u1eadp, v.v&#8230; Vi\u1ec7c qu\u1ea3n l\u00fd metadata l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng Block Storage. \u0110i\u1ec1u n\u00e0y kh\u00e1c bi\u1ec7t so v\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/file-storage-la-gi\/\">File Storage<\/a>, n\u01a1i h\u1ec7 th\u1ed1ng t\u1ec7p tin t\u1ef1 \u0111\u1ed9ng qu\u1ea3n l\u00fd metadata cho b\u1ea1n.<\/p>\n<p>V\u00ed d\u1ee5, khi b\u1ea1n t\u1ea1o m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u00ean Block Storage, h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u (v\u00ed d\u1ee5: MySQL, <a href=\"https:\/\/interdata.vn\/blog\/postgresql-la-gi\/\">PostgreSQL<\/a>) s\u1ebd ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, b\u1ea3ng bi\u1ec3u, ch\u1ec9 m\u1ee5c,&#8230; b\u00ean trong c\u00e1c kh\u1ed1i d\u1eef li\u1ec7u. Block Storage ch\u1ec9 \u0111\u01a1n gi\u1ea3n cung c\u1ea5p kh\u00f4ng gian l\u01b0u tr\u1eef &#8220;th\u00f4&#8221; v\u00e0 c\u01a1 ch\u1ebf truy c\u1eadp nhanh ch\u00f3ng \u0111\u1ebfn t\u1eebng kh\u1ed1i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-uu-diem-cua-Block-Storage\"><\/span>Nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a Block Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Block Storage mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1ec1 hi\u1ec7u n\u0103ng, \u0111\u1ed9 tr\u1ec5, t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y l\u00e0m cho Block Storage tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u kh\u1eaft khe v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady. Sau \u0111\u00e2y l\u00e0 chi ti\u1ebft c\u00e1c \u01b0u \u0111i\u1ec3m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Hieu-nang-cao\"><\/span>1. Hi\u1ec7u n\u0103ng cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Block Storage cung c\u1ea5p hi\u1ec7u n\u0103ng v\u01b0\u1ee3t tr\u1ed9i<\/strong> so v\u1edbi c\u00e1c h\u00ecnh th\u1ee9c l\u01b0u tr\u1eef kh\u00e1c nh\u1edd v\u00e0o c\u01a1 ch\u1ebf truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o t\u1eebng kh\u1ed1i d\u1eef li\u1ec7u. Kh\u00f4ng c\u1ea7n ph\u1ea3i th\u00f4ng qua h\u1ec7 th\u1ed1ng t\u1ec7p tin ph\u1ee9c t\u1ea1p, gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3 th\u1eddi gian x\u1eed l\u00fd v\u00e0 \u0111\u1ed9 tr\u1ec5. Vi\u1ec7c n\u00e0y gi\u1ed1ng nh\u01b0 vi\u1ec7c b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y \u0111\u1ed3 v\u1eadt tr\u1ef1c ti\u1ebfp t\u1eeb k\u1ec7, thay v\u00ec ph\u1ea3i t\u00ecm ki\u1ebfm trong nhi\u1ec1u ng\u0103n t\u1ee7.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Do-tre-thap\"><\/span>2. \u0110\u1ed9 tr\u1ec5 th\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u0110\u1ed9 tr\u1ec5 (latency) c\u1ee7a Block Storage r\u1ea5t th\u1ea5p<\/strong>, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh. V\u00ed d\u1ee5, c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ea7n x\u1eed l\u00fd h\u00e0ng ngh\u00ecn giao d\u1ecbch m\u1ed7i gi\u00e2y, hay c\u00e1c \u1ee9ng d\u1ee5ng tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn c\u1ea7n ph\u1ea3n h\u1ed3i t\u1ee9c th\u00ec v\u1edbi h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi ch\u01a1i. \u0110\u1ed9 tr\u1ec5 th\u1ea5p gi\u00fap \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Tinh-linh-hoat\"><\/span>3. T\u00ednh linh ho\u1ea1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Block Storage <strong>c\u00f3 t\u00ednh linh ho\u1ea1t cao<\/strong>, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau. T\u1eeb vi\u1ec7c l\u01b0u tr\u1eef h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ch\u1ea1y m\u00e1y \u1ea3o, \u0111\u1ebfn l\u01b0u tr\u1eef d\u1eef li\u1ec7u cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u n\u0103ng cao nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, x\u1eed l\u00fd video, v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn. S\u1ef1 linh ho\u1ea1t n\u00e0y mang l\u1ea1i kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng r\u1ea5t r\u1ed9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Kha-nang-mo-rong\"><\/span>4. Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1ec5 d\u00e0ng<\/strong> l\u00e0 m\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00e1c c\u1ee7a Block Storage. Khi nhu c\u1ea7u l\u01b0u tr\u1eef t\u0103ng l\u00ean, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam \u1ed5 c\u1ee9ng ho\u1eb7c m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng volume (ph\u00e2n v\u00f9ng) m\u1ed9t c\u00e1ch t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c doanh nghi\u1ec7p d\u1ec5 d\u00e0ng \u0111\u00e1p \u1ee9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i thay \u0111\u1ed5i to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-Do-tin-cay\"><\/span>5. \u0110\u1ed9 tin c\u1eady<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Block Storage th\u01b0\u1eddng <strong>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 RAID<\/strong> (Redundant Array of Independent Disks). RAID gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch sao ch\u00e9p d\u1eef li\u1ec7u l\u00ean nhi\u1ec1u \u1ed5 c\u1ee9ng kh\u00e1c nhau. N\u1ebfu m\u1ed9t \u1ed5 c\u1ee9ng b\u1ecb h\u1ecfng, d\u1eef li\u1ec7u v\u1eabn an to\u00e0n v\u00e0 h\u1ec7 th\u1ed1ng v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cao v\u00e0 gi\u1ea3m thi\u1ec3u nguy c\u01a1 m\u1ea5t m\u00e1t d\u1eef li\u1ec7u.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-01.jpg\" alt=\"Block Storage 01\" width=\"800\" height=\"492\" class=\"aligncenter size-full wp-image-26037\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-01.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-01-300x185.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-01-768x472.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-01-750x461.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-nhuoc-diem-cua-Block-Storage\"><\/span>Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Block Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1eb7c d\u00f9 Block Storage c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i, n\u00f3 c\u0169ng t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh. C\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y ch\u1ee7 y\u1ebfu li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u1ea3n l\u00fd, chi ph\u00ed \u0111\u1ea7u t\u01b0, kh\u1ea3 n\u0103ng chia s\u1ebb d\u1eef li\u1ec7u h\u1ea1n ch\u1ebf v\u00e0 thi\u1ebfu si\u00eau d\u1eef li\u1ec7u (metadata) t\u00edch h\u1ee3p. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y gi\u00fap \u0111\u01b0a ra l\u1ef1a ch\u1ecdn l\u01b0u tr\u1eef ph\u00f9 h\u1ee3p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Quan-ly-phuc-tap\"><\/span>1. Qu\u1ea3n l\u00fd ph\u1ee9c t\u1ea1p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Block Storage \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt<\/strong> \u0111\u1ec3 c\u1ea5u h\u00ecnh, qu\u1ea3n l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a. Ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u1ea7n ph\u1ea3i hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 LUN (Logical Unit Number), volume, RAID, v\u00e0 c\u00e1c giao th\u1ee9c k\u1ebft n\u1ed1i (iSCSI, Fibre Channel). Vi\u1ec7c c\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t d\u1eef li\u1ec7u ho\u1eb7c gi\u1ea3m hi\u1ec7u n\u0103ng h\u1ec7 th\u1ed1ng, \u0111\u00e2y l\u00e0 m\u1ed9t r\u1ee7i ro \u0111\u00e1ng l\u01b0u \u00fd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Chi-phi-cao\"><\/span>2. Chi ph\u00ed cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>So v\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/object-storage-la-gi\/\">Object Storage<\/a>, <strong>Block Storage th\u01b0\u1eddng c\u00f3 chi ph\u00ed cao h\u01a1n<\/strong> t\u00ednh tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef (v\u00ed d\u1ee5: $\/GB). \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00e1ng k\u1ec3 khi tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef l\u1edbn. Chi ph\u00ed kh\u00f4ng ch\u1ec9 bao g\u1ed3m gi\u00e1 th\u00e0nh c\u1ee7a \u1ed5 c\u1ee9ng m\u00e0 c\u00f2n c\u1ea3 chi ph\u00ed cho h\u1ea1 t\u1ea7ng m\u1ea1ng (n\u1ebfu s\u1eed d\u1ee5ng SAN) v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd li\u00ean quan.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Kho-chia-se-du-lieu\"><\/span>3. Kh\u00f3 chia s\u1ebb d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Block Storage <strong>g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c chia s\u1ebb d\u1eef li\u1ec7u<\/strong> gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng, m\u1ed9t volume Block Storage ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eafn (mount) v\u00e0o m\u1ed9t m\u00e1y ch\u1ee7 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m. \u0110\u1ec3 chia s\u1ebb d\u1eef li\u1ec7u, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p ph\u1ee9c t\u1ea1p h\u01a1n nh\u01b0 h\u1ec7 th\u1ed1ng t\u1ec7p tin m\u1ea1ng (Network File System &#8211; NFS) ho\u1eb7c giao th\u1ee9c iSCSI, Fibre Channel.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Thieu-Metadata\"><\/span>4. Thi\u1ebfu Metadata<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Block Storage kh\u00f4ng t\u1ef1 qu\u1ea3n l\u00fd metadata<\/strong> (si\u00eau d\u1eef li\u1ec7u) nh\u01b0 t\u00ean t\u1ec7p, lo\u1ea1i t\u1ec7p, quy\u1ec1n truy c\u1eadp. Vi\u1ec7c qu\u1ea3n l\u00fd metadata l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng Block Storage. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 Block Storage ch\u1ec9 cung c\u1ea5p &#8220;kh\u00f4ng gian l\u01b0u tr\u1eef th\u00f4&#8221;, c\u00f2n vi\u1ec7c t\u1ed5 ch\u1ee9c v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u b\u00ean trong l\u00e0 do l\u1edbp tr\u00ean \u0111\u1ea3m nhi\u1ec7m.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-Block-Storage-voi-cac-loai-luu-tru-khac\"><\/span>So s\u00e1nh Block Storage v\u1edbi c\u00e1c lo\u1ea1i l\u01b0u tr\u1eef kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 Block Storage, vi\u1ec7c so s\u00e1nh n\u00f3 v\u1edbi hai lo\u1ea1i l\u01b0u tr\u1eef ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 File Storage v\u00e0 Object Storage l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. M\u1ed7i lo\u1ea1i l\u01b0u tr\u1eef c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh chi ti\u1ebft.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border: 2px solid blue;\">\n<thead style=\"background-color: blue; color: white;\">\n<tr>\n<th style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #ffffff;\">Ti\u00eau ch\u00ed<\/span><\/th>\n<th style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #ffffff;\">Block Storage<\/span><\/th>\n<th style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #ffffff;\">File Storage<\/span><\/th>\n<th style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #ffffff;\">Object Storage<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody style=\"background-color: white;\">\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">\u0110\u01a1n v\u1ecb l\u01b0u tr\u1eef<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Kh\u1ed1i (Block) c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">T\u1ec7p tin (File) v\u00e0 th\u01b0 m\u1ee5c (Folder)<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">\u0110\u1ed1i t\u01b0\u1ee3ng (Object) bao g\u1ed3m d\u1eef li\u1ec7u, metadata v\u00e0 ID<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">C\u00e1ch truy c\u1eadp<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Tr\u1ef1c ti\u1ebfp th\u00f4ng qua \u0111\u1ecba ch\u1ec9 kh\u1ed1i, kh\u00f4ng qua h\u1ec7 th\u1ed1ng t\u1ec7p tin<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Th\u00f4ng qua \u0111\u01b0\u1eddng d\u1eabn t\u1ec7p tin (v\u00ed d\u1ee5: \/home\/user\/documents\/file.txt)<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Th\u00f4ng qua API (th\u01b0\u1eddng l\u00e0 HTTP) v\u00e0 ID \u0111\u1ed1i t\u01b0\u1ee3ng<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Metadata<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Kh\u00f4ng t\u1ef1 qu\u1ea3n l\u00fd metadata, metadata do h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd.<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">H\u1ec7 th\u1ed1ng t\u1ec7p tin qu\u1ea3n l\u00fd metadata (t\u00ean t\u1ec7p, ng\u00e0y t\u1ea1o, quy\u1ec1n truy c\u1eadp,&#8230;)<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">M\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 metadata ri\u00eang, c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh v\u00e0 m\u1edf r\u1ed9ng<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Hi\u1ec7u n\u0103ng<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Trung b\u00ecnh<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Th\u1ea5p h\u01a1n so v\u1edbi Block Storage v\u00e0 File Storage (do ph\u1ea3i x\u1eed l\u00fd metadata v\u00e0 truy c\u1eadp qua API)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">T\u1ed1t, nh\u01b0ng ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi Object Storage<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">T\u1ed1t, nh\u01b0ng c\u00f3 th\u1ec3 g\u1eb7p gi\u1edbi h\u1ea1n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng t\u1ec7p tin\/th\u01b0 m\u1ee5c trong m\u1ed9t h\u1ec7 th\u1ed1ng<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">R\u1ea5t t\u1ed1t, d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng b\u1eb1ng c\u00e1ch th\u00eam node<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Chia s\u1ebb d\u1eef li\u1ec7u<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Kh\u00f3, th\u01b0\u1eddng ch\u1ec9 g\u1eafn \u0111\u01b0\u1ee3c v\u00e0o m\u1ed9t m\u00e1y ch\u1ee7 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">D\u1ec5, h\u1ed7 tr\u1ee3 chia s\u1ebb qua m\u1ea1ng (v\u00ed d\u1ee5: NFS, SMB\/CIFS)<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">D\u1ec5, c\u00f3 th\u1ec3 truy c\u1eadp t\u1eeb b\u1ea5t k\u1ef3 \u0111\u00e2u th\u00f4ng qua API<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Chi ph\u00ed<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Cao (t\u00ednh tr\u00ean dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef)<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Trung b\u00ecnh<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">Th\u1ea5p (t\u00ednh tr\u00ean dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">\u1ee8ng d\u1ee5ng<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">C\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7 \u1ea3o, \u1ee9ng d\u1ee5ng hi\u1ec7u n\u0103ng cao, boot volume, h\u1ec7 th\u1ed1ng SAN<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">L\u01b0u tr\u1eef t\u1ec7p tin, chia s\u1ebb d\u1eef li\u1ec7u, web server, \u1ee9ng d\u1ee5ng v\u0103n ph\u00f2ng<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">L\u01b0u tr\u1eef d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac (h\u00ecnh \u1ea3nh, video, t\u00e0i li\u1ec7u), backup\/archive, \u1ee9ng d\u1ee5ng web, ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN), Big Data<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">V\u00ed d\u1ee5<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">AWS EBS, Google Persistent Disk, Azure Managed Disks, \u1ed5 c\u1ee9ng SSD\/HDD trong m\u00e1y t\u00ednh<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">NAS (Network Attached Storage), \u1ed5 c\u1ee9ng g\u1eafn ngo\u00e0i, h\u1ec7 th\u1ed1ng t\u1ec7p tin tr\u00ean m\u00e1y t\u00ednh (NTFS, ext4,&#8230;)<\/span><\/td>\n<td style=\"border: 2px solid blue; padding: 10px;\"><span style=\"color: #000000;\">AWS S3, Google Cloud Storage, Azure Blob Storage, c\u00e1c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Gi\u1ea3i th\u00edch th\u00eam:<\/strong><\/p>\n<ul>\n<li><strong>Metadata:<\/strong> L\u00e0 th\u00f4ng tin m\u00f4 t\u1ea3 v\u1ec1 d\u1eef li\u1ec7u, v\u00ed d\u1ee5: t\u00ean file, ng\u00e0y t\u1ea1o, ng\u01b0\u1eddi t\u1ea1o, k\u00edch th\u01b0\u1edbc, lo\u1ea1i file&#8230;<\/li>\n<li><strong>API (Application Programming Interface):<\/strong> Giao di\u1ec7n <a href=\"https:\/\/interdata.vn\/blog\/lap-trinh-la-gi\/\">l\u1eadp tr\u00ecnh<\/a> \u1ee9ng d\u1ee5ng, cho ph\u00e9p c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau giao ti\u1ebfp v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u.<\/li>\n<li><strong>SAN (Storage Area Network):<\/strong> M\u1ea1ng l\u01b0u tr\u1eef chuy\u00ean d\u1ee5ng, s\u1eed d\u1ee5ng Block Storage.<\/li>\n<li><strong>NAS (Network Attached Storage):<\/strong> Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef g\u1eafn m\u1ea1ng, th\u01b0\u1eddng d\u00f9ng File Storage.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-02.jpg\" alt=\"Block Storage 02\" width=\"800\" height=\"533\" class=\"aligncenter size-full wp-image-26038\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-02.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-02-300x200.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-02-768x512.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Block-Storage-02-750x500.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Block-Storage-dung-de-lam-gi\"><\/span>Block Storage d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Block Storage \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau nh\u1edd v\u00e0o hi\u1ec7u n\u0103ng cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a n\u00f3. C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a Block Storage bao g\u1ed3m l\u01b0u tr\u1eef c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7 \u1ea3o, c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t cao, v\u00e0 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, c\u1ee5 th\u1ec3:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Luu-tru-co-so-du-lieu\"><\/span>1. L\u01b0u tr\u1eef c\u01a1 s\u1edf d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Block Storage l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng<\/strong> cho c\u00e1c h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u (DBMS) nh\u01b0 MySQL, PostgreSQL, Oracle, v\u00e0 Microsoft SQL Server. C\u00e1c DBMS n\u00e0y y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi d\u1eef li\u1ec7u c\u1ef1c nhanh v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p \u0111\u1ec3 x\u1eed l\u00fd h\u00e0ng ngh\u00ecn, th\u1eadm ch\u00ed h\u00e0ng tri\u1ec7u giao d\u1ecbch m\u1ed7i gi\u00e2y. Block Storage \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u n\u00e0y nh\u1edd v\u00e0o c\u01a1 ch\u1ebf truy c\u1eadp tr\u1ef1c ti\u1ebfp.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Luu-tru-may-chu-ao-Virtual-Machines\"><\/span>2. L\u01b0u tr\u1eef m\u00e1y ch\u1ee7 \u1ea3o (Virtual Machines)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a, <strong>Block Storage \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef<\/strong> c\u00e1c \u1ed5 \u0111\u0129a \u1ea3o (virtual disks) cho c\u00e1c m\u00e1y ch\u1ee7 \u1ea3o. M\u1ed7i m\u00e1y \u1ea3o c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t ho\u1eb7c nhi\u1ec1u \u1ed5 \u0111\u0129a \u1ea3o, v\u00e0 c\u00e1c \u1ed5 \u0111\u0129a n\u00e0y \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean Block Storage. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c m\u00e1y \u1ea3o kh\u1edfi \u0111\u1ed9ng, ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Ung-dung-hieu-nang-cao\"><\/span>3. \u1ee8ng d\u1ee5ng hi\u1ec7u n\u0103ng cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t cao nh\u01b0 <strong>x\u1eed l\u00fd video, ch\u1ec9nh s\u1eeda \u1ea3nh, thi\u1ebft k\u1ebf \u0111\u1ed3 h\u1ecda, tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng khoa h\u1ecdc k\u1ef9 thu\u1eadt<\/strong> th\u01b0\u1eddng s\u1eed d\u1ee5ng Block Storage. Nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y c\u1ea7n truy c\u1eadp d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u00e0 li\u00ean t\u1ee5c, v\u00e0 Block Storage cung c\u1ea5p hi\u1ec7u n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e0y. Kh\u1ea3 n\u0103ng truy c\u1eadp d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 cao l\u00e0 \u01b0u ti\u00ean.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-He-thong-luu-tru-SAN\"><\/span>4. H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef SAN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong c\u00e1c doanh nghi\u1ec7p l\u1edbn v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, <strong>Block Storage th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef SAN<\/strong> (Storage Area Network). SAN cung c\u1ea5p kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef t\u1eadp trung, hi\u1ec7u n\u0103ng cao, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 \u0111\u1ed9 tin c\u1eady cao. Block Storage l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a SAN, cung c\u1ea5p kh\u00f4ng gian l\u01b0u tr\u1eef &#8220;th\u00f4&#8221; cho c\u00e1c m\u00e1y ch\u1ee7 k\u1ebft n\u1ed1i v\u00e0o SAN.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-Boot-volume\"><\/span>5. Boot volume<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Block storage c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m boot volume<\/strong>, ch\u1ee9a h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Vi\u1ec7c s\u1eed d\u1ee5ng block storage gi\u00fap t\u0103ng t\u1ed1c \u0111\u00e1ng k\u1ec3 qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng m\u00e1y t\u00ednh, do h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c kh\u1ed1i d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i th\u00f4ng qua h\u1ec7 th\u1ed1ng t\u1ec7p tin. Qu\u00e1 tr\u00ecnh n\u00e0y t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-giao-thuc-va-cong-nghe-lien-quan-Block-Storage\"><\/span>C\u00e1c giao th\u1ee9c v\u00e0 c\u00f4ng ngh\u1ec7 li\u00ean quan Block Storage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Block Storage kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp m\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c giao th\u1ee9c v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00e1c \u0111\u1ec3 k\u1ebft n\u1ed1i, truy\u1ec1n t\u1ea3i v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u. C\u00e1c giao th\u1ee9c n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c giao th\u1ee9c v\u00e0 c\u00f4ng ngh\u1ec7 quan tr\u1ecdng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-iSCSI-Internet-Small-Computer-System-Interface\"><\/span>1. iSCSI (Internet Small Computer System Interface)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>iSCSI l\u00e0 m\u1ed9t giao th\u1ee9c m\u1ea1ng<\/strong> cho ph\u00e9p truy\u1ec1n t\u1ea3i c\u00e1c l\u1ec7nh SCSI (Small Computer System Interface) qua m\u1ea1ng TCP\/IP. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, iSCSI cho ph\u00e9p m\u00e1y t\u00ednh truy c\u1eadp Block Storage t\u1eeb xa th\u00f4ng qua m\u1ea1ng Ethernet th\u00f4ng th\u01b0\u1eddng, thay v\u00ec ph\u1ea3i k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp. iSCSI th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a v\u00e0 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y, t\u1ea1o s\u1ef1 linh ho\u1ea1t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Fibre-Channel\"><\/span>2. Fibre Channel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Fibre Channel l\u00e0 m\u1ed9t giao th\u1ee9c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao<\/strong>, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef SAN (Storage Area Network). Fibre Channel cung c\u1ea5p <a href=\"https:\/\/interdata.vn\/blog\/bang-thong-la-gi\/\">b\u0103ng th\u00f4ng<\/a> l\u1edbn, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady cao, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t c\u1ef1c cao nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u1edbn v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng khoa h\u1ecdc k\u1ef9 thu\u1eadt. Chi ph\u00ed tri\u1ec3n khai th\u01b0\u1eddng cao h\u01a1n iSCSI.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-NVMe-Non-Volatile-Memory-Express\"><\/span>3. NVMe (Non-Volatile Memory Express)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>NVMe l\u00e0 m\u1ed9t giao di\u1ec7n k\u1ebft n\u1ed1i<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a hi\u1ec7u n\u0103ng c\u1ee7a \u1ed5 c\u1ee9ng SSD (Solid State Drive). So v\u1edbi c\u00e1c giao di\u1ec7n c\u0169 nh\u01b0 SATA v\u00e0 SAS, NVMe cung c\u1ea5p t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi d\u1eef li\u1ec7u nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n nhi\u1ec1u. NVMe \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-NVMe-oF-NVMe-over-Fabrics\"><\/span>4. NVMe-oF (NVMe over Fabrics)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>NVMe-oF m\u1edf r\u1ed9ng giao th\u1ee9c NVMe<\/strong> qua m\u1ea1ng (v\u00ed d\u1ee5: Fibre Channel, Ethernet, InfiniBand), cho ph\u00e9p truy c\u1eadp Block Storage t\u1eeb xa v\u1edbi hi\u1ec7u n\u0103ng g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp. NVMe-oF k\u1ebft h\u1ee3p \u01b0u \u0111i\u1ec3m c\u1ee7a NVMe (hi\u1ec7u n\u0103ng cao) v\u00e0 m\u1ea1ng l\u01b0u tr\u1eef (kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, chia s\u1ebb t\u00e0i nguy\u00ean), m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi cho c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-RAID-Redundant-Array-of-Independent-Disks\"><\/span>5. RAID (Redundant Array of Independent Disks)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>RAID l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft h\u1ee3p nhi\u1ec1u \u1ed5 c\u1ee9ng<\/strong> v\u1eadt l\u00fd th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef logic duy nh\u1ea5t. M\u1ee5c \u0111\u00edch c\u1ee7a RAID l\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady (b\u1eb1ng c\u00e1ch sao ch\u00e9p d\u1eef li\u1ec7u tr\u00ean nhi\u1ec1u \u1ed5 c\u1ee9ng) v\u00e0\/ho\u1eb7c t\u0103ng hi\u1ec7u n\u0103ng (b\u1eb1ng c\u00e1ch ph\u00e2n chia d\u1eef li\u1ec7u tr\u00ean nhi\u1ec1u \u1ed5 c\u1ee9ng). C\u00f3 nhi\u1ec1u lo\u1ea1i RAID kh\u00e1c nhau (RAID 0, RAID 1, RAID 5, RAID 6, RAID 10,&#8230;).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-nha-cung-cap-dich-vu-Block-Storage-noi-bat\"><\/span>Nh\u1eefng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Block Storage n\u1ed5i b\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y l\u1edbn cung c\u1ea5p d\u1ecbch v\u1ee5 Block Storage nh\u01b0 m\u1ed9t ph\u1ea7n trong danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd. C\u00e1c d\u1ecbch v\u1ee5 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 <a href=\"https:\/\/interdata.vn\/blog\/cloud-computing-la-gi\/\">\u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/a> kh\u00e1c, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng t\u1ea1o, qu\u1ea3n l\u00fd v\u00e0 k\u1ebft n\u1ed1i Block Storage v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 \u1ea3o. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p n\u1ed5i b\u1eadt.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Amazon-Web-Services-AWS\"><\/span>1. Amazon Web Services (AWS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Amazon EBS (Elastic Block Storage)<\/strong> l\u00e0 d\u1ecbch v\u1ee5 Block Storage c\u1ee7a AWS. EBS cung c\u1ea5p nhi\u1ec1u lo\u1ea1i volume kh\u00e1c nhau, t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c nhau (v\u00ed d\u1ee5: General Purpose SSD, Provisioned IOPS SSD, Throughput Optimized HDD). EBS \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c c\u1ee7a AWS nh\u01b0 EC2 (Elastic Compute Cloud), cho ph\u00e9p d\u1ec5 d\u00e0ng g\u1eafn volume v\u00e0o m\u00e1y \u1ea3o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Google-Cloud-Platform-GCP\"><\/span>2. Google Cloud Platform (GCP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Google Persistent Disk<\/strong> l\u00e0 d\u1ecbch v\u1ee5 Block Storage c\u1ee7a GCP. Persistent Disk cung c\u1ea5p hi\u1ec7u n\u0103ng cao, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn gi\u1eefa c\u00e1c lo\u1ea1i \u1ed5 \u0111\u0129a SSD v\u00e0 HDD, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed. Persistent Disk \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi Google Compute Engine, d\u1ecbch v\u1ee5 m\u00e1y \u1ea3o c\u1ee7a GCP.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Microsoft-Azure\"><\/span>3. Microsoft Azure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Azure Managed Disks<\/strong> l\u00e0 d\u1ecbch v\u1ee5 Block Storage c\u1ee7a Microsoft Azure. Managed Disks cung c\u1ea5p c\u00e1c lo\u1ea1i \u1ed5 \u0111\u0129a kh\u00e1c nhau (Standard HDD, Standard SSD, Premium SSD, Ultra Disk) \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed kh\u00e1c nhau. Azure Managed Disks \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi Azure Virtual Machines, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd l\u01b0u tr\u1eef cho m\u00e1y \u1ea3o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Cac-nha-cung-cap-khac\"><\/span>4. C\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ngo\u00e0i ba &#8220;\u00f4ng l\u1edbn&#8221; tr\u00ean, c\u00f2n c\u00f3 nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Block Storage kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>DigitalOcean, Vultr, Linode, IBM Cloud, Oracle Cloud Infrastructure<\/strong>. C\u00e1c nh\u00e0 cung c\u1ea5p n\u00e0y th\u01b0\u1eddng t\u1eadp trung v\u00e0o vi\u1ec7c cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n, d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 c\u00f3 gi\u00e1 c\u1ea3 c\u1ea1nh tranh, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf ho\u1eb7c c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00e1 nh\u00e2n.<\/p>\n<div style=\"background-color: #e6f2ff; border-radius: 10px; padding: 20px; margin: 20px 0; border: 1px solid #b3d9ff;\">\n<p>\u0110\u1ec3 tri\u1ec3n khai hi\u1ec7u qu\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng t\u1eadn d\u1ee5ng \u01b0u th\u1ebf c\u1ee7a Block Storage nh\u01b0 database, m\u00e1y ch\u1ee7 \u1ea3o, b\u1ea1n c\u1ea7n m\u1ed9t n\u1ec1n t\u1ea3ng h\u1ea1 t\u1ea7ng m\u1ea1nh m\u1ebd v\u00e0 \u1ed5n \u0111\u1ecbnh. InterData cung c\u1ea5p <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/interdata.vn\/cloud-server\/\">d\u1ecbch v\u1ee5 thu\u00ea Cloud Server gi\u00e1 r\u1ebb<\/a> v\u1edbi ph\u1ea7n c\u1ee9ng th\u1ebf h\u1ec7 m\u1edbi, CPU AMD EPYC\/Intel Xeon Platinum, v\u00e0 \u1ed5 c\u1ee9ng SSD NVMe U.2, t\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng, mang \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p>Ngo\u00e0i ra, n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef website, \u1ee9ng d\u1ee5ng web v\u1edbi chi ph\u00ed t\u1ed1i \u01b0u, h\u00e3y tham kh\u1ea3o <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/interdata.vn\/thue-hosting\/\">thu\u00ea Hosting gi\u00e1 r\u1ebb ch\u1ea5t l\u01b0\u1ee3ng cao<\/a> v\u00e0 <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS gi\u00e1 r\u1ebb uy t\u00edn<\/a> t\u1ea1i InterData. V\u1edbi b\u0103ng th\u00f4ng cao, c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a ti\u00ean ti\u1ebfn, c\u00e1c g\u00f3i d\u1ecbch v\u1ee5 c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m t\u1ed1c \u0111\u1ed9 cao, c\u1ea5u h\u00ecnh m\u1ea1nh.<\/p>\n<p><strong>INTERDATA<\/strong><\/p>\n<ul>\n<li><strong>Website:<\/strong>\u00a0Interdata.vn<\/li>\n<li><strong>Hotline:<\/strong>\u00a01900-636822<\/li>\n<li><strong>Email:<\/strong>\u00a0Info@interdata.vn<\/li>\n<li><strong>VP\u0110D:<\/strong>\u00a0240 Nguy\u1ec5n \u0110\u00ecnh Ch\u00ednh, P.11. Q. Ph\u00fa Nhu\u1eadn, TP. Ho\u0302\u0300 Ch\u00ed Minh<\/li>\n<li><strong>VPGD:<\/strong>\u00a0S\u1ed1 211 \u0110\u01b0\u1eddng s\u1ed1 5, K\u0110T Lakeview City, P. An Ph\u00fa, TP. Th\u1ee7 \u0110\u1ee9c, TP. H\u1ed3 Ch\u00ed Minh<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Block Storage l\u00e0 gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u1ea1ng kh\u1ed1i, mang l\u1ea1i hi\u1ec7u n\u0103ng cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 so s\u00e1nh Block Storage v\u1edbi c\u00e1c lo\u1ea1i l\u01b0u tr\u1eef kh\u00e1c. B\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c<\/p>\n","protected":false},"author":2,"featured_media":26036,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[63],"class_list":["post-16706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-server","tag-block-storage"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/16706","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=16706"}],"version-history":[{"count":0,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/16706\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/26036"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=16706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=16706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=16706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}