{"id":7549,"date":"2021-11-29T07:37:53","date_gmt":"2021-11-29T07:37:53","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=7549"},"modified":"2022-10-03T15:26:22","modified_gmt":"2022-10-03T08:26:22","slug":"uu-va-nhuoc-diem-cua-luu-tru-block-vs-file-vs-object-storage","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/uu-va-nhuoc-diem-cua-luu-tru-block-vs-file-vs-object-storage-p7549\/","title":{"rendered":"\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c c\u01a1 ch\u1ebf l\u01b0u tr\u1eef: Block vs File vs Object storage"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p><em>M\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 nhi\u1ec1u thay \u0111\u1ed5i \u1edf l\u0129nh v\u1ef1c l\u01b0u tr\u1eef trong nhi\u1ec1u n\u0103m qua, nh\u01b0ng m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u1eabn t\u1ed3n t\u1ea1i. H\u00e3y c\u00f9ng xem x\u00e9t c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a l\u01b0u tr\u1eef Block Storage, File Storage v\u00e0 <a class=\"iblink\" href=\"\/blog\/tag\/object-storage\/\">Object Storage<\/a>.<\/em><\/p>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng si\u00eau h\u1ed9i t\u1ee5 (HCI) v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ef1c nhanh c\u1ee7a b\u1ed9 nh\u1edb NVMe c\u00f3 l\u1ebd \u0111\u00e3 l\u00e0m m\u1edd \u0111i m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a <a class=\"iblink\" href=\"\/storage\/\">h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef<\/a>.<\/p>\n<p>Tuy nhi\u00ean, m\u1ed9t c\u00e1ch c\u0103n b\u1ea3n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i l\u01b0u tr\u1eef \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o m\u1ed9t trong c\u00e1c lo\u1ea1i Block, File ho\u1eb7c Object. C\u00e1c thu\u1eadt ng\u1eef kh\u00e1c nhau b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy c\u1eadp trong m\u1ed7i c\u01a1 ch\u1ebf.<\/p>\n<p>V\u1ec1 c\u01a1 b\u1ea3n, c\u00e1c b\u1ed9 nh\u1edb v\u1eadt l\u00fd ch\u1ee9a d\u1eef li\u1ec7u c\u00f3 chung m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd s\u1ef1 hi\u1ec7n di\u1ec7n hay kh\u00f4ng c\u1ee7a c\u00e1c bit d\u1eef li\u1ec7u. \u0110i\u1ec1u \u0111\u00f3 gi\u1ed1ng nhau v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef, cho d\u00f9 \u0111\u00f3 l\u00e0 c\u00e1c \u1ed5 c\u1ee9ng t\u1eeb t\u00ednh ch\u1eadm nh\u1ea5t hay\u00a0flash NVMe si\u00eau nhanh.<\/p>\n<p>M\u1ecdi th\u1ee9 b\u1eaft \u0111\u1ea7u kh\u00e1c nhau l\u00e0 \u1edf c\u00e1ch th\u00f4ng tin \u1edf c\u1ea5p \u0111\u1ed9 bit (bit-level) h\u00ecnh th\u00e0nh n\u00ean b\u1ee9c tranh l\u1edbn h\u01a1n v\u00e0 \u0111\u00f3 l\u00e0 n\u01a1i xu\u1ea5t hi\u1ec7n nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Block storage, File storage v\u00e0 <a class=\"iblink\" href=\"\/blog\/tag\/object-storage\/\">Object storage<\/a>.<\/p>\r\n\t\t\t\t<div class=\"tgmcad hor\" style=\"text-align:center;margin:30px 0; padding: 10px 0; border-radius:5px; border-top:solid 1px #ccc; border-bottom:solid 1px #ccc; \">\r\n\t\t\t\t<a href=\"https:\/\/thegioimaychu.vn\/solution\/enterprise-storage\/cloudian-enterprise-object-storage-p3713\/\"><img decoding=\"async\" alt=\"Gi\u1ea3i ph\u00e1p \u1ea3o h\u00f3a h\u1ea1 t\u1ea7ng l\u01b0u tr\u1eef\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2022\/08\/cloudian-s3-storage-banner.png\" \/><\/a>\r\n\t\t\t\t<\/div>\n<p>File v\u00e0 Block Storage chia s\u1ebb v\u1edbi nhau r\u1ea5t nhi\u1ec1u th\u1ee9, c\u1ee5 th\u1ec3 l\u00e0 trong m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang v\u1edbi\u00a0File System.\u00a0Object Storage, \u1edf m\u1ed9t g\u00f3c \u0111\u1ed9 kh\u00e1c, \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb m\u1ed9t th\u1ee9 ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n<h3>Quy t\u1eafc c\u1ee7a File System<\/h3>\n<p>H\u1ea7u h\u1ebft nh\u1eefng g\u00ec ch\u00fang ta bi\u1ebft v\u1ec1 c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u1ef1a tr\u00ean kh\u00e1i ni\u1ec7m File System \u0111\u00e3 c\u00f3 t\u1eeb v\u00e0i th\u1eadp k\u1ef7 qua.\u00a0Block v\u00e0 File storage \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang v\u1edbi n\u00f3.<\/p>\n<p>Block access storage &#8211; nh\u01b0 \u0111\u01b0\u1ee3c tri\u1ec3n khai trong <a class=\"iblink\" href=\"\/storage\/\">h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef<\/a> SAN (<a class=\"iblink\" href=\"\/storage\/san\/\">Storage Area Network<\/a>) &#8211; ch\u1ec9 cung c\u1ea5p ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u1ed1i l\u01b0u tr\u1eef t\u1eeb file system, database, v.v&#8230;\u00a0Khi b\u1ea1n mua h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef SAN (Block Storage), b\u1ea1n ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 mua m\u1ed9t m\u1ea3ng l\u01b0u tr\u1eef v\u00e0 kh\u1ea3 n\u0103ng \u1ea5n \u0111\u1ecbnh c\u00e1c volume \u0111\u1ec3 cung c\u1ea5p ch\u00fang cho c\u00e1c \u1ee9ng d\u1ee5ng th\u00f4ng qua m\u1ed9t File System th\u01b0\u1eddng tr\u00fa \u1edf n\u01a1i kh\u00e1c trong l\u1edbp \u1ee9ng d\u1ee5ng.<\/p>\n<p>File access storage &#8211; th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00f4ng qua thi\u1ebft b\u1ecb l\u01b0u tr\u1eef g\u1eafn m\u1ea1ng (NAS) &#8211; th\u00ec l\u1ea1i \u0111\u1ed1i l\u1eadp v\u1edbi c\u01a1 ch\u1ebf tr\u00ean.\u00a0Khi b\u1ea1n mua m\u1ed9t b\u1ed9 NAS ho\u1eb7c m\u1ed9t c\u1ee5m\u00a0c\u00e1c node NAS m\u1edf r\u1ed9ng (Scale-NAS) \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau, <strong>ch\u00fang \u0111i k\u00e8m v\u1edbi File System c\u1ee7a ri\u00eang ch\u00fang<\/strong> v\u1edbi ph\u1ea7n l\u01b0u tr\u1eef hi\u1ec7n di\u1ec7n v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng \u1edf d\u1ea1ng k\u00fd t\u1ef1 \u1ed5 \u0111\u0129a quen thu\u1ed9c.<\/p>\n<p>Object storage th\u00ec l\u1ea1i ho\u00e0n to\u00e0n kh\u00e1c.\u00a0N\u00f3 d\u1ef1a tr\u00ean c\u1ea5u tr\u00fac \u201cph\u1eb3ng\u201d v\u1edbi quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c &#8220;\u0111\u1ed1i t\u01b0\u1ee3ng&#8221; (hay Object) th\u00f4ng qua c\u00e1c m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t, g\u1ea7n gi\u1ed1ng v\u1edbi c\u00e1ch c\u00e1c website \u0111\u01b0\u1ee3c \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 trong h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS).\u00a0\u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho n\u00f3 ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t v\u1edbi c\u1ea5u tr\u00fac File System ph\u00e2n c\u1ea5p, theo c\u1ea5u tr\u00fac c\u00e2y (hierarchical).<\/p>\n<h3>File, Block, Object: Hi\u1ec7u su\u1ea5t v\u00e0\u00a0c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang<\/h3>\n<p>Cho d\u00f9 l\u01b0u tr\u1eef File, Block hay Object c\u1ea7n tr\u1ea3i qua m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i \u0111\u1ec3 x\u00e1c l\u1eadp m\u1ee9c hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u00f9 h\u1ee3p c\u1ee7a ch\u00fang.\u00a0Tuy v\u1eady, th\u1eddi gian kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh duy nh\u1ea5t. V\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a b\u1ed9 nh\u1edb flash c\u1ef1c nhanh, c\u00e1c v\u1ebft l\u00f5m v\u1ec1 hi\u1ec7u su\u1ea5t nh\u1ecf tr\u01b0\u1edbc \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c san ph\u1eb3ng.<\/p>\n<p>Tuy nhi\u00ean, nh\u00ecn chung m\u1ed7i c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh, cho d\u00f9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i ch\u1ed7 hay tr\u00ean \u0111\u00e1m m\u00e2y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1400\" height=\"931\" class=\"alignnone wp-image-10871 size-full\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/11\/TheGioiMayChu-Blog-Image-uu-va-nhuoc-diem-cua-cac-co-che-luu-tru-block-vs-file-vs-object-storage.png\" srcset=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/11\/TheGioiMayChu-Blog-Image-uu-va-nhuoc-diem-cua-cac-co-che-luu-tru-block-vs-file-vs-object-storage.png 1400w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/11\/TheGioiMayChu-Blog-Image-uu-va-nhuoc-diem-cua-cac-co-che-luu-tru-block-vs-file-vs-object-storage-300x200.png 300w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/11\/TheGioiMayChu-Blog-Image-uu-va-nhuoc-diem-cua-cac-co-che-luu-tru-block-vs-file-vs-object-storage-768x511.png 768w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/11\/TheGioiMayChu-Blog-Image-uu-va-nhuoc-diem-cua-cac-co-che-luu-tru-block-vs-file-vs-object-storage-1024x681.png 1024w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/11\/TheGioiMayChu-Blog-Image-uu-va-nhuoc-diem-cua-cac-co-che-luu-tru-block-vs-file-vs-object-storage-40x27.png 40w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/p>\n<p>File Storage, nh\u01b0 b\u1ea1n \u0111\u00e3 bi\u1ebft, r\u1ea5t t\u1ed1t cho vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 truy c\u1eadp file.\u00a0N\u00f3i c\u00e1ch kh\u00e1c, s\u1ebd r\u1ea5t t\u1ed1t n\u1ebfu b\u1ea1n mu\u1ed1n truy c\u1eadp to\u00e0n b\u1ed9 file v\u00e0 \u0111i\u1ec1u \u0111\u00f3 c\u0169ng t\u1ed1t cho vi\u1ec7c l\u01b0u tr\u1eef file t\u1ed5ng qu\u00e1t ho\u1eb7c cho c\u00e1c workload chuy\u00ean bi\u1ec7t h\u01a1n y\u00eau c\u1ea7u quy\u1ec1n truy c\u1eadp file, ch\u1eb3ng h\u1ea1n nh\u01b0 file phim \u1ea3nh.\u00a0N\u00f3 c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t cho d\u1eef li\u1ec7u \u1edf k\u00edch th\u01b0\u1edbc nh\u1ecf, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u01b0\u1eddng h\u1ee3p d\u1eef li\u1ec7u ph\u00e1t sinh t\u1eeb m\u00e1y m\u00f3c ho\u1eb7c c\u1ea3m bi\u1ebfn m\u00e0 b\u1ea1n mu\u1ed1n ch\u1ea1y c\u00e1c ph\u00e2n t\u00edch tr\u00ean \u0111\u00f3.<\/p>\n<p>L\u01b0u tr\u1eef file d\u01b0\u1edbi d\u1ea1ng NAS c\u0169ng r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u01a1 ch\u1ebf kh\u00f3a file (file-locking) ho\u1eb7c \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng\u00a0\u1ee9ng d\u1ee5ng t\u1ea1i ch\u1ed7\u00a0\u201ctruy\u1ec1n th\u1ed1ng\u201d.<\/p>\n<p>V\u1edbi nh\u1eefng \u0111i\u1ec1u k\u1ec3 tr\u00ean, Object Storage c\u0169ng cung c\u1ea5p quy\u1ec1n truy c\u1eadp \u1edf c\u1ea5p file, nh\u01b0ng kh\u00f4ng c\u00f3 file-locking.\u00a0N\u00f3 c\u0169ng \u00edt c\u00f3 kh\u1ea3 n\u0103ng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1edfi nhi\u1ec1u \u1ee9ng d\u1ee5ng tr\u1eeb khi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3 \u0111\u01b0\u1ee3c vi\u1ebft t\u1eeb g\u1ed1c \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi Object Storage.<\/p>\n<h3>Truy c\u1eadp Block qua SAN<\/h3>\n<p>Trong khi \u0111\u00f3, Block Storage c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y.\u00a0X\u00e9t cho c\u00f9ng, n\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi m\u1ed9t File System \u0111\u1ec3 cung c\u1ea5p cho \u1ee9ng d\u1ee5ng quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u.<\/p>\n<p>Tuy nhi\u00ean, Block Storage h\u1eefu \u00edch nh\u1ea5t khi cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c kh\u1ed1i, t\u1ea1o th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c file l\u1edbn h\u01a1n.\u00a0M\u1ed9t t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh \u1edf \u0111\u00e2y l\u00e0\u00a0truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u, trong \u0111\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp \u0111\u1ed3ng th\u1eddi v\u00e0o c\u00f9ng m\u1ed9t file, nh\u01b0ng \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a n\u00f3, c\u00f9ng v\u1edbi kh\u1ea3 n\u0103ng locking ho\u1ea1t \u0111\u1ed9ng \u1edf c\u1ea5p nh\u1ecf h\u01a1n file.<\/p>\n<p>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a l\u01b0u tr\u1eef kh\u1ed1i l\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3, c\u00f3 \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c tinh g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u1ed3ng th\u1eddi kh\u00f4ng ph\u1ea3i x\u1eed l\u00fd metadata v\u00e0 th\u00f4ng tin v\u1ec1 File System, v.v. V\u00ec v\u1eady, n\u00f3 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 cung c\u1ea5p \u0111\u1ed9 tr\u1ec5 th\u1ea5p,\u00a0hi\u1ec7u su\u1ea5t I\/O nh\u1ea5t qu\u00e1n\u00a0cho c\u00e1c \u1ee9ng d\u1ee5ng h\u01b0\u1edbng c\u01a1 s\u1edf d\u1eef li\u1ec7u, c\u00f3 th\u1ec3 bao g\u1ed3m c\u1ea3 mail system, c\u0169ng nh\u01b0 c\u00e1c m\u00e1y \u1ea3o (VM) v\u00e0 desktop.<\/p>\n<p>Gi\u1ed1ng nh\u01b0 l\u01b0u tr\u1eef truy c\u1eadp file, l\u01b0u tr\u1eef SAN truy c\u1eadp theo kh\u1ed1i c\u00f3 th\u1ec3 s\u1ebd quen thu\u1ed9c h\u01a1n v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p.\u00a0N\u00f3 th\u01b0\u1eddng t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef cao c\u1ea5p nh\u1ea5t v\u00e0 do \u0111\u00f3 \u0111\u1eaft ti\u1ec1n nh\u1ea5t trong doanh nghi\u1ec7p v\u00e0 th\u01b0\u1eddng l\u00e0 v\u1edbi ph\u01b0\u01a1ng ti\u1ec7n flash, v\u00e0 hi\u1ec7n nay th\u01b0\u1eddng l\u00e0 phi\u00ean b\u1ea3n NVMe si\u00eau nhanh c\u1ee7a n\u00f3.<\/p>\n<p>C\u00e1c s\u1ea3n ph\u1ea9m SAN th\u01b0\u1eddng c\u00f3 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u1ef9 n\u0103ng ri\u00eang, v\u1edbi c\u00e1c\u00a0giao th\u1ee9c\u00a0Fibre Channel v\u00e0\u00a0iSCSI\u00a0l\u00e0 nh\u1eefng giao th\u1ee9c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n<h3>Object Storage<\/h3>\n<p>Object Storage (L\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng) xu\u1ea5t hi\u1ec7n nh\u01b0 m\u1ed9t \u0111\u1ed1i th\u1ee7 c\u1ee7a l\u01b0u tr\u1eef truy c\u1eadp file, nh\u1eafm \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn\u00a0d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac\u00a0khi c\u00e1c File System c\u1ee7a c\u00e1c NAS m\u1edf r\u1ed9ng b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng k\u00e9m theo s\u1ed1 l\u01b0\u1ee3ng t\u0103ng d\u1ea7n c\u1ee7a c\u00e1c file \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef.<\/p>\n<p>L\u01b0u tr\u1eef truy c\u1eadp file v\u1edbi c\u1ea5u tr\u00fac file ph\u00e2n c\u1ea5p c\u00f3 th\u1ec3 tr\u1edf n\u00ean c\u1ed3ng k\u1ec1nh khi n\u00f3 ph\u00e1t tri\u1ec3n,\u00a0l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng\u00a0mang \u0111\u1ebfn m\u1ed9t c\u1ea5u tr\u00fac \u201cph\u1eb3ng\u201d v\u1edbi quy\u1ec1n truy c\u1eadp b\u00ecnh \u0111\u1eb3ng v\u00e0o t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef, l\u00e0m cho n\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac.<\/p>\n<p>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c l\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong b\u1ed9 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i k\u00e8m v\u1edbi m\u1ed9t b\u1ed9 metadata (th\u00f4ng tin \u0111\u1eb7c t\u1ea3) phong ph\u00fa h\u01a1n so v\u1edbi trong File System truy\u1ec1n th\u1ed1ng.\u00a0\u0110i\u1ec1u \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m cho d\u1eef li\u1ec7u trong b\u1ed9 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng c\u0169ng ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c ph\u00e2n t\u00edch.\u00a0L\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng c\u0169ng r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng web v\u00e0\u00a0c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y\u00a0g\u1ed1c h\u01a1n l\u00e0 file v\u00e0 block.<\/p>\n<p>H\u1ea1n ch\u1ebf so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn d\u1ef1a tr\u00ean File System bao g\u1ed3m l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf kh\u00f3a (lock) v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng hi\u1ec7n h\u1eefu kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng d\u1ec5 d\u00e0ng v\u1edbi n\u00f3 so v\u1edbi c\u00e1c c\u01a1 ch\u1ebf truy c\u1eadp truy\u1ec1n th\u1ed1ng.<\/p>\n<p>Ngo\u00e0i ra, l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 xu h\u01b0\u1edbng ho\u1ea1t \u0111\u1ed9ng k\u00e9m nh\u1ea5t trong t\u1ea5t c\u1ea3 c\u00e1c ch\u1ebf \u0111\u1ed9 l\u01b0u tr\u1eef m\u1ed9t ph\u1ea7n do chi ph\u00ed cho metadata n\u1eb7ng h\u01a1n,\u00a0m\u1eb7c d\u00f9 \u0111i\u1ec1u \u0111\u00f3 \u0111ang thay \u0111\u1ed5i\u00a0.<\/p>\n<p>M\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1c c\u00f3 th\u1ec3 khi\u1ebfn Object Storage kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp t\u1ed1t cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng v\u1ec1 th\u1eddi gian h\u01a1n, v\u00e0 ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c x\u1eed l\u00fd theo giao d\u1ecbch (transactional processes), b\u1edfi v\u00ec n\u00f3 c\u00f3 thi\u00ean h\u01b0\u1edbng kh\u00f4ng nh\u1ea5t qu\u00e1n.\u00a0Nh\u01b0ng l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng s\u1ebd nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c b\u1ea3n sao \u0111\u01b0\u1ee3c nh\u00e2n \u0111\u00f4i.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=19009\">Block Storage l\u00e0 g\u00ec? N\u00f3 kh\u00e1c g\u00ec v\u1edbi File v\u00e0 Object Storage?<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=15556\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Data Lake<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=13733\">T\u00ednh n\u0103ng Auto-tiering \u1edf bucket-level c\u1ee7a l\u01b0u tr\u1eef Object v\u1edbi Cloudian<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=13743\">NAS vs. Object Storage: Gi\u1ea3i ph\u00e1p n\u00e0o t\u1ed1t nh\u1ea5t cho vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u phi c\u1ea5u tr\u00fac?<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=13683\">\u0110\u1eb7c t\u00ednh \u0111a kh\u00e1ch h\u00e0ng trong gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef cloud<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=13690\">Storage-as-a-Service: Ngu\u1ed3n doanh thu r\u1ea1o ra l\u1ee3i nhu\u1eadn cho c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y<\/a><\/li>\n<\/ul>\n<\/p>","protected":false},"excerpt":{"rendered":"<p>M&#7863;c d&ugrave; &#273;&atilde; c&oacute; nhi&#7873;u thay &#273;&#7893;i &#7903; l&#297;nh v&#7921;c l&#432;u tr&#7919; trong nhi&#7873;u n&#259;m qua, nh&#432;ng m&#7897;t s&#7889; nguy&ecirc;n t&#7855;c c&#417; b&#7843;n v&#7851;n t&#7891;n t&#7841;i. H&atilde;y c&ugrave;ng xem x&eacute;t c&aacute;c &#273;&#7863;c &#273;i&#7875;m ch&iacute;nh v&agrave; c&aacute;c &#7913;ng d&#7909;ng c&#7911;a l&#432;u tr&#7919; Block Storage, File Storage v&agrave; Object Storage. 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