{"id":9911,"date":"2021-07-15T16:54:48","date_gmt":"2021-07-15T16:54:48","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=9911"},"modified":"2021-10-15T03:43:38","modified_gmt":"2021-10-15T03:43:38","slug":"tim-hieu-ve-ao-hoa-luu-tru-storage-virtualization","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/giai-phap\/tim-hieu-ve-ao-hoa-luu-tru-storage-virtualization-p9911\/","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 \u1ea3o h\u00f3a l\u01b0u tr\u1eef &#8211; Storage Virtualization"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p>Storage Virtualization l\u00e0 t\u1eadp h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n l\u01b0u tr\u1eef v\u1eadt l\u00fd t\u1eeb nhi\u1ec1u <a class=\"iblink\" href=\"\/storage\/\">thi\u1ebft b\u1ecb l\u01b0u tr\u1eef<\/a> th\u00e0nh m\u1ed9t <a class=\"iblink\" href=\"\/storage\/\">thi\u1ebft b\u1ecb l\u01b0u tr\u1eef<\/a> duy nh\u1ea5t &#8211; ho\u1eb7c nh\u00f3m dung l\u01b0\u1ee3ng storage kh\u1ea3 d\u1ee5ng &#8211; \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1eeb m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m.\u00a0C\u00f4ng ngh\u1ec7 n\u00e0y d\u1ef1a v\u00e0o ph\u1ea7n m\u1ec1m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef c\u00f3 s\u1eb5n t\u1eeb c\u00e1c thi\u1ebft b\u1ecb v\u1eadt l\u00fd v\u00e0 sau \u0111\u00f3 t\u1ed5ng h\u1ee3p dung l\u01b0\u1ee3ng \u0111\u00f3 th\u00e0nh m\u1ed9t nh\u00f3m l\u01b0u tr\u1eef \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c m\u00e1y ch\u1ee7 theo ki\u1ebfn \u200b\u200btr\u00fac truy\u1ec1n th\u1ed1ng ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a v\u1edbi c\u00e1c m\u00e1y \u1ea3o (VM).<\/p>\n<p>Ph\u1ea7n\u00a0m\u1ec1m\u00a0l\u01b0u tr\u1eef \u1ea3o\u00a0ti\u1ebfp nh\u1eadn c\u00e1c y\u00eau c\u1ea7u I\/O t\u1eeb m\u00e1y v\u1eadt l\u00fd ho\u1eb7c m\u00e1y \u1ea3o v\u00e0 g\u1eedi c\u00e1c y\u00eau c\u1ea7u \u0111\u00f3 \u0111\u1ebfn v\u1ecb tr\u00ed v\u1eadt l\u00fd th\u00edch h\u1ee3p c\u1ee7a thi\u1ebft b\u1ecb l\u01b0u tr\u1eef l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a t\u1ed5ng th\u1ec3 l\u01b0u tr\u1eef trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a. \u1ede g\u00f3c \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng s\u1ebd kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c c\u00e1c t\u00e0i nguy\u00ean l\u01b0u tr\u1eef kh\u00e1c nhau t\u1ea1o n\u00ean m\u1ed9t nh\u00f3m, do \u0111\u00f3, storage \u1ea3o xu\u1ea5t hi\u1ec7n gi\u1ed1ng nh\u01b0 m\u1ed9t \u1ed5 \u0111\u0129a v\u1eadt l\u00fd duy nh\u1ea5t, ho\u1eb7c m\u1ed9t Logical Unit Number (LUN) c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn c\u00e1c l\u1ec7nh \u0111\u1ecdc\/ghi chu\u1ea9n.<\/p>\n<p>M\u1ed9t h\u00ecnh th\u1ee9c \u1ea3o h\u00f3a l\u01b0u tr\u1eef r\u1ea5t c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng m\u1ed9t l\u1edbp \u1ea3o h\u00f3a ph\u1ea7n m\u1ec1m gi\u1eefa ph\u1ea7n c\u1ee9ng c\u1ee7a t\u00e0i nguy\u00ean l\u01b0u tr\u1eef v\u00e0 m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef &#8211; m\u00e1y t\u00ednh c\u00e1 nh\u00e2n (PC), m\u00e1y ch\u1ee7 ho\u1eb7c b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o truy c\u1eadp v\u00e0o storage &#8211; gi\u00fap h\u1ec7 \u0111i\u1ec1u h\u00e0nh (OS) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0 s\u1eed d\u1ee5ng storage.\u00a0Th\u1eadm ch\u00ed m\u1ed9t RAID array \u0111\u00f4i khi c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t lo\u1ea1i \u1ea3o h\u00f3a l\u01b0u tr\u1eef.\u00a0Nhi\u1ec1u \u1ed5 \u0111\u0129a v\u1eadt l\u00fd trong m\u1ea3ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb l\u01b0u tr\u1eef duy nh\u1ea5t trong khi, \u1edf ph\u00eda b\u00ean trong, n\u00f3 ph\u00e2n chia v\u00e0 sao ch\u00e9p d\u1eef li\u1ec7u sang nhi\u1ec1u \u0111\u0129a \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t I\/O v\u00e0 \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 m\u1ed9t \u1ed5 b\u1ecb l\u1ed7i.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/O0D8Ftc44ls?rel=0\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h3>C\u00e1c lo\u1ea1i \u1ea3o h\u00f3a l\u01b0u tr\u1eef: Block so v\u1edbi File<\/h3>\n<p>C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p \u1ea3o h\u00f3a l\u01b0u tr\u1eef c\u01a1 b\u1ea3n: d\u1ef1a tr\u00ean File (t\u1ec7p) ho\u1eb7c d\u1ef1a tr\u00ean Block (kh\u1ed1i).\u00a0\u1ea2o h\u00f3a l\u01b0u tr\u1eef d\u1ef1a tr\u00ean file l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef g\u1eafn m\u1ea1ng (NAS).\u00a0S\u1eed d\u1ee5ng giao th\u1ee9c Server Message Block (SMB) ho\u1eb7c Common Internet File System (CIFS) trong m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 Windows ho\u1eb7c\u00a0c\u00e1c giao th\u1ee9c Network File System (NFS) cho h\u1ec7 th\u1ed1ng Linux, \u1ea3o h\u00f3a l\u01b0u tr\u1eef d\u1ef1a tr\u00ean file ph\u00e1 v\u1ee1 s\u1ef1 ph\u1ee5 thu\u1ed9c trong m\u1ed9t m\u1ea3ng NAS th\u00f4ng th\u01b0\u1eddng gi\u1eefa d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy c\u1eadp v\u00e0 v\u1ecb tr\u00ed c\u1ee7a storage v\u1eadt l\u00fd.\u00a0Vi\u1ec7c g\u1ed9p chung c\u00e1c t\u00e0i nguy\u00ean NAS gi\u00fap x\u1eed l\u00fd vi\u1ec7c di chuy\u1ec3n file \u1edf ch\u1ebf \u0111\u1ed9 n\u1ec1n d\u1ec5 d\u00e0ng h\u01a1n, \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.\u00a0Th\u00f4ng th\u01b0\u1eddng, h\u1ec7 th\u1ed1ng NAS kh\u00f4ng ph\u1ee9c t\u1ea1p \u0111\u1ec3 qu\u1ea3n l\u00fd, nh\u01b0ng \u1ea3o h\u00f3a l\u01b0u tr\u1eef \u0111\u01a1n gi\u1ea3n h\u00f3a \u0111\u00e1ng k\u1ec3 nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd nhi\u1ec1u thi\u1ebft b\u1ecb NAS th\u00f4ng qua m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n (console) qu\u1ea3n l\u00fd duy nh\u1ea5t.<\/p>\n<p>L\u01b0u tr\u1eef d\u1ef1a tr\u00ean block ho\u1eb7c block access &#8211; t\u00e0i nguy\u00ean l\u01b0u tr\u1eef th\u01b0\u1eddng \u0111\u01b0\u1ee3c truy c\u1eadp th\u00f4ng qua m\u1ea1ng l\u01b0u tr\u1eef Fibre Channel (FC) ho\u1eb7c iSCSI <a class=\"iblink\" href=\"\/storage\/san\/\">storage area network<\/a> (SAN) &#8211; \u0111\u01b0\u1ee3c \u1ea3o h\u00f3a th\u01b0\u1eddng xuy\u00ean h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1ef1a tr\u00ean file.\u00a0C\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean block tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n l\u01b0u tr\u1eef logic, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00e2n v\u00f9ng \u1ed5 \u0111\u0129a, kh\u1ecfi c\u00e1c kh\u1ed1i storage v\u1eadt l\u00fd th\u1ef1c t\u1ebf trong thi\u1ebft b\u1ecb l\u01b0u tr\u1eef, ch\u1eb3ng h\u1ea1n nh\u01b0 \u1ed5 \u0111\u0129a c\u1ee9ng (HDD) ho\u1eb7c thi\u1ebft b\u1ecb storage th\u1ec3 r\u1eafn.\u00a0B\u1edfi v\u00ec n\u00f3 ho\u1ea1t \u0111\u1ed9ng theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea7n m\u1ec1m \u1ed5 \u0111\u0129a g\u1ed1c, n\u00f3 gi\u1ea3m t\u1ea3i (overhead) cho c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ecdc v\u00e0 ghi, v\u00ec v\u1eady c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef block s\u1ebd ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean file.<\/p>\n<p>Ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean block cho ph\u00e9p ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd \u1ea3o h\u00f3a thu th\u1eadp dung l\u01b0\u1ee3ng c\u1ee7a c\u00e1c block c\u1ee7a kh\u00f4ng gian l\u01b0u tr\u1eef c\u00f2n hi\u1ec7u d\u1ee5ng tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c m\u1ea3ng \u0111\u01b0\u1ee3c \u1ea3o h\u00f3a, v\u00e0 sau \u0111\u00f3 g\u1ed9p ch\u00fang th\u00e0nh m\u1ed9t t\u00e0i nguy\u00ean d\u00f9ng chung \u0111\u1ec3 g\u00e1n cho b\u1ea5t k\u1ef3 s\u1ed1 l\u01b0\u1ee3ng m\u00e1y \u1ea3o, m\u00e1y ch\u1ee7 v\u1eadt l\u00fd hay container n\u00e0o.\u00a0\u1ea2o h\u00f3a l\u01b0u tr\u1eef \u0111\u1eb7c bi\u1ec7t c\u00f3 l\u1ee3i cho block storage.\u00a0Kh\u00f4ng gi\u1ed1ng nh\u01b0 h\u1ec7 th\u1ed1ng NAS, vi\u1ec7c qu\u1ea3n l\u00fd SAN c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh m\u1ea5t th\u1eddi gian;\u00a0V\u00ed d\u1ee5, h\u1ee3p nh\u1ea5t m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef block d\u01b0\u1edbi m\u1ed9t giao di\u1ec7n qu\u1ea3n l\u00fd duy nh\u1ea5t th\u01b0\u1eddng tr\u00e1nh cho ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi c\u00e1c b\u01b0\u1edbc t\u1ebb nh\u1ea1t c\u1ee7a vi\u1ec7c c\u1ea5u h\u00ecnh LUN, c\u00f3 th\u1ec3 gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian \u0111\u00e1ng k\u1ec3.<\/p>\n<p><a href=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/07\/tgmc-blog-60f05f6f65b92-e1626365860499.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9914\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/07\/tgmc-blog-60f05f6f65b92-e1626365860499.png\" alt=\"\" width=\"445\" height=\"185\" srcset=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/07\/tgmc-blog-60f05f6f65b92-e1626365860499.png 445w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/07\/tgmc-blog-60f05f6f65b92-e1626365860499-300x125.png 300w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2021\/07\/tgmc-blog-60f05f6f65b92-e1626365860499-40x17.png 40w\" sizes=\"auto, (max-width: 445px) 100vw, 445px\" \/><\/a><\/p>\n<div>\n<p><em>C\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u1ea3o h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho l\u01b0u tr\u1eef block, disk, tape v\u00e0 file.<\/em><\/p>\n<p>Phi\u00ean b\u1ea3n ban \u0111\u1ea7u c\u1ee7a \u1ea3o h\u00f3a d\u1ef1a tr\u00ean block l\u00e0 SAN Volume Controller (SVC) c\u1ee7a IBM, hi\u1ec7n nay \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 IBM Spectrum Virtualize.\u00a0Ph\u1ea7n m\u1ec1m ch\u1ea1y tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb ho\u1eb7c m\u1ea3ng l\u01b0u tr\u1eef v\u00e0 t\u1ea1o ra m\u1ed9t nh\u00f3m l\u01b0u tr\u1eef duy nh\u1ea5t b\u1eb1ng c\u00e1ch \u1ea3o h\u00f3a c\u00e1c LUN g\u1eafn v\u1edbi m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u01b0u tr\u1eef.\u00a0Spectrum Virtualize c\u0169ng cho ph\u00e9p kh\u00e1ch h\u00e0ng ph\u00e2n c\u1ea5p d\u1eef li\u1ec7u block v\u00e0o public cloud storage.<\/p>\n<p>M\u1ed9t s\u1ea3n ph\u1ea9m \u1ea3o h\u00f3a l\u01b0u tr\u1eef ban \u0111\u1ea7u kh\u00e1c l\u00e0\u00a0Data Systems&#8217; TagmaStore Universal Storage Platform c\u1ee7a Hitachi, hi\u1ec7n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Hitachi Virtual Storage Platform (VSP).\u00a0\u1ea2o h\u00f3a l\u01b0u tr\u1eef d\u1ef1a tr\u00ean m\u1ea3ng c\u1ee7a Hitachi cho ph\u00e9p kh\u00e1ch h\u00e0ng t\u1ea1o ra m\u1ed9t nh\u00f3m l\u01b0u tr\u1eef duy nh\u1ea5t tr\u00ean c\u00e1c m\u1ea3ng ri\u00eang bi\u1ec7t, ngay c\u1ea3 ch\u00fang t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p l\u01b0u tr\u1eef h\u00e0ng \u0111\u1ea7u kh\u00e1c.<\/p>\n<h3>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ea3o h\u00f3a l\u01b0u tr\u1eef<\/h3>\n<p>\u0110\u1ec3 cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean thi\u1ebft b\u1ecb l\u01b0u tr\u1eef v\u1eadt l\u00fd, ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a c\u1ea7n t\u1ea1o b\u1ea3n \u0111\u1ed3 (map) b\u1eb1ng metadata ho\u1eb7c trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch linh ho\u1ea1t.\u00a0Sau \u0111\u00f3, ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a s\u1ebd ti\u1ebfp nh\u1eadn c\u00e1c y\u00eau c\u1ea7u \u0111\u1ecdc v\u00e0 ghi t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 s\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 m\u00e0 n\u00f3 \u0111\u00e3 t\u1ea1o ra, n\u00f3 c\u00f3 th\u1ec3 t\u00ecm ho\u1eb7c l\u01b0u d\u1eef li\u1ec7u v\u00e0o thi\u1ebft b\u1ecb v\u1eadt l\u00fd th\u00edch h\u1ee3p.\u00a0Qu\u00e1 tr\u00ecnh n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi h\u1ec7 \u0111i\u1ec1u h\u00e0nh PC khi truy xu\u1ea5t ho\u1eb7c l\u01b0u d\u1eef li\u1ec7u \u1ee9ng d\u1ee5ng.<\/p>\n<p>\u1ea2o h\u00f3a l\u01b0u tr\u1eef che gi\u1ea5u s\u1ef1 ph\u1ee9c t\u1ea1p th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef, ch\u1eb3ng h\u1ea1n nh\u01b0 SAN, gi\u00fap qu\u1ea3n tr\u1ecb vi\u00ean l\u01b0u tr\u1eef th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 sao l\u01b0u, l\u01b0u tr\u1eef v\u00e0 kh\u00f4i ph\u1ee5c d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 trong th\u1eddi gian ng\u1eafn h\u01a1n.<\/p>\n<h3>\u1ea2o h\u00f3a h\u01b0\u1edbng b\u00ean trong (in-band) so v\u1edbi h\u01b0\u1edbng b\u00ean ngo\u00e0i (out-of-band)<\/h3>\n<p>Nh\u00ecn chung, c\u00f3 hai lo\u1ea1i \u1ea3o h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho h\u1ea1 t\u1ea7ng l\u01b0u tr\u1eef: in-band v\u00e0 out-of-band.<\/p>\n<ul>\n<li>\u1ea2o h\u00f3a in-band &#8211; c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u1ea3o h\u00f3a \u0111\u1ed1i x\u1ee9ng &#8211; x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111ang \u0111\u01b0\u1ee3c \u0111\u1ecdc ho\u1eb7c l\u01b0u v\u00e0 th\u00f4ng tin \u0111i\u1ec1u khi\u1ec3n (v\u00ed d\u1ee5: l\u1ec7nh I\/O, metadata) trong c\u00f9ng m\u1ed9t channel ho\u1eb7c layer.\u00a0Thi\u1ebft l\u1eadp n\u00e0y cho ph\u00e9p \u1ea3o h\u00f3a l\u01b0u tr\u1eef cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng qu\u1ea3n l\u00fd v\u00e0 v\u1eadn h\u00e0nh n\u00e2ng cao h\u01a1n nh\u01b0 c\u00e1c d\u1ecbch v\u1ee5 sao ch\u00e9p v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/li>\n<li>\u1ea2o h\u00f3a out-of-band &#8211; hay \u1ea3o h\u00f3a kh\u00f4ng \u0111\u1ed1i x\u1ee9ng &#8211; chia nh\u1ecf c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u1eef li\u1ec7u v\u00e0 \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec1u khi\u1ec3n.\u00a0V\u00ec l\u1edbp n\u1ec1n \u1ea3o h\u00f3a ch\u1ec9 nh\u00ecn th\u1ea5y c\u00e1c l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n n\u00ean c\u00e1c t\u00ednh n\u0103ng l\u01b0u tr\u1eef n\u00e2ng cao th\u01b0\u1eddng kh\u00f4ng kh\u1ea3 d\u1ee5ng.<\/li>\n<\/ul>\n<h3>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u1ea3o h\u00f3a<\/h3>\n<p>\u1ea2o h\u00f3a l\u01b0u tr\u1eef ng\u00e0y nay th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn dung l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u00edch l\u0169y t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb v\u1eadt l\u00fd v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n \u0111\u1ec3 ph\u00e2n b\u1ed5 l\u1ea1i trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a.\u00a0C\u00e1c n\u1ec1n t\u1ea3ng IT hi\u1ec7n \u0111\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ea1 t\u1ea7ng si\u00eau h\u1ed9i t\u1ee5 (HCI) v\u00e0 container h\u00f3a, t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a l\u01b0u tr\u1eef \u1ea3o, b\u00ean c\u1ea1nh t\u00e0i nguy\u00ean x\u1eed l\u00fd \u1ea3o v\u00e0 dung l\u01b0\u1ee3ng m\u1ea1ng \u1ea3o.<\/p>\n<p>M\u1eb7c d\u00f9 d\u1ea7n mai m\u1ed9t tr\u00ean ph\u01b0\u01a1ng di\u1ec7n m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n backup m\u1ee5c ti\u00eau, l\u01b0u tr\u1eef tape v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy c\u1eadp kh\u00f4ng th\u01b0\u1eddng xuy\u00ean.\u00a0D\u1eef li\u1ec7u archive c\u00f3 xu h\u01b0\u1edbng \u0111\u1ed3 s\u1ed9;\u00a0\u1ea3o h\u00f3a l\u01b0u tr\u1eef c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ph\u01b0\u01a1ng ti\u1ec7n tape \u0111\u1ec3 gi\u00fap qu\u1ea3n l\u00fd kho d\u1eef li\u1ec7u l\u1edbn d\u1ec5 d\u00e0ng h\u01a1n. Linear tape file system\u00a0(LTFS) l\u00e0 m\u1ed9t d\u1ea1ng \u1ea3o h\u00f3a tape gi\u00fap tape tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb l\u01b0u tr\u1eef file NAS \u0111i\u1ec3n h\u00ecnh v\u00e0 gi\u00fap vi\u1ec7c t\u00ecm v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u t\u1eeb tape d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u01b0 m\u1ee5c c\u1ea5p file ch\u1ee9a n\u1ed9i dung c\u1ee7a tape.<\/p>\n<p>C\u00f3\u00a0nhi\u1ec1u c\u00e1ch l\u01b0u tr\u1eef c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng\u00a0cho m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a:<\/p>\n<p><strong>Host-based storage virtualization<\/strong>\u00a0d\u1ef1a tr\u00ean\u00a0ph\u1ea7n m\u1ec1m v\u00e0 th\u01b0\u1eddng th\u1ea5y nh\u1ea5t trong c\u00e1c h\u1ec7 th\u1ed1ng HCI v\u00e0 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y.\u00a0Trong ki\u1ec3u \u1ea3o h\u00f3a n\u00e0y, m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef ho\u1eb7c h\u1ec7 th\u1ed1ng si\u00eau h\u1ed9i t\u1ee5 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb nhi\u1ec1u m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef, cung c\u1ea5p c\u00e1c \u1ed5 \u0111\u0129a \u1ea3o c\u00f3 dung l\u01b0\u1ee3ng kh\u00e1c nhau cho c\u00e1c m\u00e1y kh\u00e1ch, cho d\u00f9 ch\u00fang l\u00e0 m\u00e1y \u1ea3o trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, m\u00e1y ch\u1ee7 v\u1eadt l\u00fd hay PC truy c\u1eadp chia s\u1ebb file ho\u1eb7c cloud storage.\u00a0T\u1ea5t c\u1ea3 qu\u00e1 tr\u00ecnh \u1ea3o h\u00f3a v\u00e0 qu\u1ea3n l\u00fd \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf c\u1ea5p m\u00e1y ch\u1ee7 th\u00f4ng qua ph\u1ea7n m\u1ec1m v\u00e0 storage v\u1eadt l\u00fd c\u00f3 th\u1ec3 l\u00e0 h\u1ea7u h\u1ebft m\u1ecdi thi\u1ebft b\u1ecb ho\u1eb7c m\u1ea3ng.\u00a0M\u1ed9t s\u1ed1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7 c\u00f3 kh\u1ea3 n\u0103ng \u1ea3o h\u00f3a \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n, ch\u1eb3ng h\u1ea1n nh\u01b0 Windows Server Storage Spaces.<\/p>\n<p><strong>Array-based storage virtualization<\/strong> th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p trong \u0111\u00f3 m\u1ea3ng l\u01b0u tr\u1eef ho\u1ea1t \u0111\u1ed9ng nh\u01b0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u01b0u tr\u1eef ch\u00ednh v\u00e0 ch\u1ea1y ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a, cho ph\u00e9p n\u00f3 g\u1ed9p t\u00e0i nguy\u00ean l\u01b0u tr\u1eef c\u1ee7a c\u00e1c m\u1ea3ng kh\u00e1c v\u00e0 cung c\u1ea5p c\u00e1c lo\u1ea1i l\u01b0u tr\u1eef v\u1eadt l\u00fd kh\u00e1c nhau \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m c\u00e1c t\u1ea7ng l\u01b0u tr\u1eef .\u00a0M\u1ed9t t\u1ea7ng l\u01b0u tr\u1eef c\u00f3 th\u1ec3 bao g\u1ed3m \u1ed5 \u0111\u0129a th\u1ec3 r\u1eafn (SSD) ho\u1eb7c HDD tr\u00ean c\u00e1c m\u1ea3ng l\u01b0u tr\u1eef \u1ea3o h\u00f3a kh\u00e1c nhau;\u00a0v\u1ecb tr\u00ed th\u1ef1c v\u00e0 m\u1ea3ng c\u1ee5 th\u1ec3 b\u1ecb \u1ea9n kh\u1ecfi m\u00e1y ch\u1ee7 ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o storage.<\/p>\n<p><strong>Network-based storage virtualization<\/strong> l\u00e0 h\u00ecnh th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c doanh nghi\u1ec7p hi\u1ec7n nay.\u00a0M\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 switch th\u00f4ng minh ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng c\u00f3 m\u1ee5c \u0111\u00edch, k\u1ebft n\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef trong FC ho\u1eb7c iSCSI SAN v\u00e0 th\u1ec3 hi\u1ec7n dung l\u01b0\u1ee3ng trong m\u1ea1ng l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng m\u1ed9t virtual pool duy nh\u1ea5t.<\/p>\n<h3>L\u1ee3i \u00edch v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a \u1ea3o h\u00f3a l\u01b0u tr\u1eef<\/h3>\n<p>Khi l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u c\u00e1ch \u0111\u00e2y h\u01a1n hai th\u1eadp k\u1ef7, \u1ea3o h\u00f3a l\u01b0u tr\u1eef c\u00f3 xu h\u01b0\u1edbng kh\u00f3 th\u1ef1c hi\u1ec7n v\u00e0 c\u00f3 \u1ee9ng d\u1ee5ng h\u1ea1n ch\u1ebf trong ch\u1eebng m\u1ef1c m\u00e0 c\u00f4ng ngh\u1ec7 c\u00f3 s\u1eb5n s\u1ebd ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c m\u00f4 h\u00ecnh v\u00e0 m\u00f4 h\u00ecnh m\u1ea3ng l\u01b0u tr\u1eef.\u00a0B\u1edfi v\u00ec ban \u0111\u1ea7u n\u00f3 l\u00e0 d\u1ea1ng host-based, ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a l\u01b0u tr\u1eef ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 duy tr\u00ec tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7 c\u1ea7n quy\u1ec1n truy c\u1eadp v\u00e0o t\u00e0i nguy\u00ean l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c g\u1ed9p chung.\u00a0Khi n\u00f3 ho\u00e0n thi\u1ec7n h\u01a1n v\u1ec1 sau, c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau (nh\u01b0 m\u00f4 t\u1ea3 \u1edf tr\u00ean), gi\u00fap d\u1ec5 d\u00e0ng tri\u1ec3n khai h\u01a1n trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau, v\u00ec ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p \u1ea3o h\u00f3a ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3 c\u1ee7a h\u1ecd.<\/p>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n h\u01a1n n\u1eefa c\u1ee7a ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a, c\u00f9ng v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 Storage Management Initiative Specification (SMI-S), cho ph\u00e9p c\u00e1c s\u1ea3n ph\u1ea9m \u1ea3o h\u00f3a ho\u1ea1t \u0111\u1ed9ng v\u1edbi nhi\u1ec1u lo\u1ea1i h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef h\u01a1n, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn h\u1ea5p d\u1eabn h\u01a1n nhi\u1ec1u cho c\u00e1c doanh nghi\u1ec7p \u0111ang g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi n\u0103ng l\u1ef1c l\u01b0u tr\u1eef ki\u1ec3u xo\u1eafn \u1ed1c.<\/p>\n<p>M\u1ed9t s\u1ed1 l\u1ee3i \u00edch v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng c\u1ee7a \u1ea3o h\u00f3a l\u01b0u tr\u1eef bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng h\u01a1n.<\/strong>\u00a0M\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd duy nh\u1ea5t \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 duy tr\u00ec nhi\u1ec1u m\u1ea3ng l\u01b0u tr\u1eef \u1ea3o h\u00f3a gi\u00fap gi\u1ea3m th\u1eddi gian v\u00e0 n\u1ed7 l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng v\u1eadt l\u00fd.\u00a0\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 l\u1ee3i khi h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef thu\u1ed9c c\u00e1c vendor kh\u00e1c nhau n\u1eb1m trong pool \u1ea3o h\u00f3a.<\/li>\n<li><strong>S\u1eed d\u1ee5ng l\u01b0u tr\u1eef t\u1ed1t h\u01a1n.<\/strong>\u00a0Vi\u1ec7c g\u1ed9p dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef tr\u00ean nhi\u1ec1u h\u1ec7 th\u1ed1ng gi\u00fap d\u1ec5 d\u00e0ng ph\u00e2n b\u1ed5 h\u01a1n \u0111\u1ec3 dung l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 v\u00e0 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 h\u01a1n.\u00a0V\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c bi\u1ec7t, kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, c\u00f3 kh\u1ea3 n\u0103ng m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng s\u1ebd ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng ho\u1eb7c g\u1ea7n h\u1ebft c\u00f4ng su\u1ea5t, trong khi nh\u1eefng h\u1ec7 th\u1ed1ng kh\u00e1c h\u1ea7u nh\u01b0 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<li><strong>K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef c\u0169 h\u01a1n.<\/strong>\u00a0\u1ea2o h\u00f3a cung c\u1ea5p m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 m\u1edf r\u1ed9ng t\u00ednh h\u1eefu d\u1ee5ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef c\u0169 h\u01a1n b\u1eb1ng c\u00e1ch \u0111\u01b0a ch\u00fang v\u00e0o pool nh\u01b0 m\u1ed9t c\u1ea5p \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u01b0u tr\u1eef ho\u1eb7c d\u1eef li\u1ec7u \u00edt quan tr\u1ecdng h\u01a1n.<\/li>\n<li><strong>Th\u00eam c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao tr\u00ean to\u00e0n c\u1ee5c.<\/strong>\u00a0M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng l\u01b0u tr\u1eef n\u00e2ng cao h\u01a1n nh\u01b0 tiering, caching v\u00e0 replication c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai \u1edf c\u1ea5p \u0111\u1ed9 \u1ea3o h\u00f3a.\u00a0\u0110i\u1ec1u n\u00e0y gi\u00fap ti\u00eau chu\u1ea9n h\u00f3a c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u00e0y tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng th\u00e0nh vi\u00ean v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng n\u00e2ng cao n\u00e0y cho nh\u1eefng h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 thi\u1ebfu ch\u00fang.<\/li>\n<\/ul>\n<\/div>\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=23349\">Ch\u1ea1y \u1ea3o h\u00f3a Proxmox tr\u00ean h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef h\u1ee3p nh\u1ea5t EonStor GS c\u1ee7a Infortrend<\/a><\/li>\n<li><a 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