{"id":1159,"date":"2019-02-10T07:58:25","date_gmt":"2019-02-10T07:58:25","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=1159"},"modified":"2019-02-10T07:59:32","modified_gmt":"2019-02-10T07:59:32","slug":"so-sanh-giua-sas-sata-va-fibre-channel","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/so-sanh-giua-sas-sata-va-fibre-channel-p1159\/","title":{"rendered":"So s\u00e1nh gi\u1eefa SAS, SATA v\u00e0 Fibre Channel"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd so s\u00e1nh c\u00f4ng ngh\u1ec7 \u1ed5 \u0111\u0129a Serial-Attached SCSI v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 \u1ed5 \u0111\u0129a kh\u00e1c hi\u1ec7n c\u00f3.<\/p>\n<p>Trong v\u00e0i n\u0103m t\u1edbi, Fibre Channel v\u00e0 Serial-Attached SCSI (SAS) s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 giao ti\u1ebfp \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn tr\u00ean SAN. Hi\u1ec7n t\u1ea1i, hi\u1ec7u su\u1ea5t c\u1ee7a c\u1ea3 hai lo\u1ea1i v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau (gi\u1ea3 s\u1eed Fibre Channel s\u1ebd s\u1edbm t\u0103ng l\u00ean 4G bit \/ gi\u00e2y). Tuy nhi\u00ean, trong kho\u1ea3ng 18 th\u00e1ng, SAS c\u00f3 th\u1ec3 s\u1ebd t\u0103ng g\u1ea5p \u0111\u00f4i t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00ecnh, trong khi c\u1ed9ng \u0111\u1ed3ng FC v\u1eabn \u0111ang c\u1ed1 g\u1eafng quy\u1ebft \u0111\u1ecbnh li\u1ec7u b\u01b0\u1edbc ti\u1ebfp theo cho c\u00f4ng ngh\u1ec7 s\u1ebd l\u00e0 8G bit \/ gi\u00e2y hay 10G bit \/ gi\u00e2y.<\/p>\n<p>Tuy nhi\u00ean, hi\u1ec7n t\u1ea1i c\u00f3 kh\u00e1 nhi\u1ec1u th\u1ee9 \u0111\u1ec3 xem x\u00e9t c\u00e1i n\u00e0o t\u1ed1t h\u01a1n, Fibre Channel hay SAS. Nh\u1eefng n\u01a1i \u0111ang d\u00f9ng Fibre Channel c\u00f3 kh\u1ea3 n\u0103ng s\u1ebd v\u1eabn ti\u1ebfp t\u1ee5c v\u1edbi n\u00f3. Nh\u01b0ng v\u00ec chu\u1ea9n parallel SCSI hi\u1ec7n chi\u1ebfm kho\u1ea3ng 80% th\u1ecb tr\u01b0\u1eddng l\u01b0u tr\u1eef doanh nghi\u1ec7p, r\u00f5 r\u00e0ng c\u00f3 r\u1ea5t nhi\u1ec1u c\u01a1 h\u1ed9i cho SAS.<\/p>\n<p>Nh\u01b0ng v\u1eabn c\u00f2n m\u1ed9t \u1ee9ng c\u1eed vi\u00ean kh\u00e1c \u0111\u1ec3 x\u00e9t \u0111\u1ebfn.<\/p>\n<p>Trong khi SAS \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n, c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f4ng ngh\u1ec7 \u1ed5 \u0111\u0129a ATA \u00edt t\u1ed1n k\u00e9m h\u01a1n c\u0169ng \u0111ang n\u00e2ng c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd. Serial ATA (SATA) chia s\u1ebb nhi\u1ec1u \u0111\u1eb7c \u0111i\u1ec3m v\u1edbi SAS v\u00e0 cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf r\u1ebb ti\u1ec1n cho c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c \u1ed5 \u0111\u0129a \u0111\u1eaft ti\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o h\u00e0nh. Ch\u00fang ta r\u1ea5t c\u00f3 th\u1ec3 s\u1ebd th\u1ea5y r\u1ea5t nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng h\u1ed7n h\u1ee3p SAS-SATA.<\/p>\n<p>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng ch\u00ednh gi\u1eefa SAS v\u00e0 SATA l\u00e0:<\/p>\n<p>* C\u1ea3 hai lo\u1ea1i \u1ed5 \u0111\u1ec1u c\u1eafm v\u00e0o SAS backplane.<\/p>\n<p>* C\u00e1c \u1ed5 \u0111\u0129a c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau b\u00ean trong m\u1ed9t module khoang \u1ed5 \u0111\u0129a SAS.<\/p>\n<p>* C\u1ea3 hai \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh t\u1eeb l\u00e2u, v\u1edbi s\u1ef1 ch\u1ea5p nh\u1eadn tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa hai c\u00f4ng ngh\u1ec7 l\u00e0:<\/p>\n<p>* Thi\u1ebft b\u1ecb SATA s\u1ebd \u00edt t\u1ed1n chi ph\u00ed h\u01a1n.<\/p>\n<p>* Thi\u1ebft b\u1ecb SATA s\u1eed d\u1ee5ng b\u1ed9 l\u1ec7nh ATA.<\/p>\n<p>* \u1ed4 \u0111\u0129a SAS c\u00f3 kh\u1ea3 n\u0103ng dual porting, t\u1ed1c \u0111\u1ed9 tr\u1ee5c nhanh h\u01a1n v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n.<\/p>\n<p>* Trong khi c\u1ea3 hai lo\u1ea1i \u1ed5 \u0111\u0129a \u0111\u1ec1u c\u1eafm v\u00e0o backplane, m\u1ed9t SATA backplane kh\u00f4ng th\u1ec3 ch\u1ee9a c\u00e1c \u1ed5 \u0111\u0129a SAS.<\/p>\n<p>* \u1ed4 \u0111\u0129a SAS \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u1ef1a tr\u00ean c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u1ef9 l\u01b0\u1ee1ng h\u01a1n nhi\u1ec1u so v\u1edbi \u1ed5 \u0111\u0129a SATA v\u00e0 c\u00f3 th\u1eddi gian trung b\u00ecnh d\u00e0i h\u01a1n \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c l\u1ea7n h\u1ecfng h\u00f3c v\u00e0 chu k\u1ef3 v\u1eadn h\u00e0nh.<\/p>\n<p>* \u1ed4 \u0111\u0129a SAS nhanh h\u01a1n v\u00e0 cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng kh\u00f4ng h\u1ed7 tr\u1ee3 tr\u00ean SATA, bao g\u1ed3m k\u00edch th\u01b0\u1edbc cung thay \u0111\u1ed5i, \u0111\u00e8n ch\u1ec9 b\u00e1o LED, c\u1ed5ng k\u00e9p v\u00e0 t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/p>\n<h3>V\u1eady \u0111\u00e2u l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho b\u1ea1n?<\/h3>\n<p>S\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa Fiber Channel v\u00e0 SAS hi\u1ec7n t\u1ea1i l\u00e0 m\u1ed9t \u0111i\u1ec1u kh\u00f3 kh\u0103n, v\u00ec hi\u1ec7u su\u1ea5t s\u1ebd kh\u00e1 gi\u1ed1ng nhau tr\u00ean c\u1ea3 hai n\u1ec1n t\u1ea3ng trong t\u01b0\u01a1ng lai g\u1ea7n. N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t ng\u01b0\u1eddi d\u00f9ng FC vui v\u1ebb v\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i tr\u1ea3 cho ph\u1ea7n ch\u00eanh l\u1ec7ch gi\u00e1, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng n\u00f3.<\/p>\n<p>Tuy nhi\u00ean, n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm s\u1ef1 linh ho\u1ea1t h\u01a1n, th\u00ec kh\u1ea3 n\u0103ng thay th\u1ebf l\u1eabn nhau c\u1ee7a SAS-SATA c\u00f3 th\u1ec3 s\u1ebd h\u1ea5p d\u1eabn h\u01a1n. S\u1ee9c h\u1ea5p d\u1eabn c\u1ee7a \u0111i\u1ec1u n\u00e0y s\u1ebd t\u0103ng l\u00ean n\u1ebfu \u00fd t\u01b0\u1edfng l\u01b0u tr\u1eef theo tier c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi b\u1ea1n (n\u1ebfu b\u1ea1n \u0111ang xem x\u00e9t l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi th\u00f4ng tin d\u1eef li\u1ec7u, th\u00ec \u0111\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p n\u00ean quan t\u00e2m).<\/p>\n<p>\u0110\u1ed1i v\u1edbi SAS v\u00e0 SATA, khi l\u1ef1a ch\u1ecdn gi\u1eefa ch\u00fang c\u1ea7n tu\u00e2n theo quy t\u1eafc n\u00e0y:<\/p>\n<p>Ch\u1ecdn SATA khi chi ph\u00ed l\u00e0 v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng nh\u1ea5t; ch\u1ecdn SAS b\u1ea5t c\u1ee9 khi n\u00e0o b\u1ea1n t\u1eadp trung v\u00e0o hi\u1ec7u su\u1ea5t. V\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u1ea3 2 lo\u1ea1i \u1ed5 \u0111\u0129a SAS v\u00e0 SATA l\u1ea1i v\u1edbi nhau b\u00ean trong <a class=\"iblink\" href=\"\/storage\/\">h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef<\/a> c\u1ee7a b\u1ea1n.<\/p>\n<p>V\u1ec1 l\u00e2u d\u00e0i, khi nh\u00ecn v\u00e0o t\u1ed5ng th\u1ec3, ch\u00fang ta c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y r\u1eb1ng:<\/p>\n<p>1. Tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, s\u1ebd v\u1eabn l\u00e0 SATA.<\/p>\n<p>2. \u0110\u1ed1i v\u1edbi m\u00e1y ch\u1ee7, c\u1ea3 \u1ed5 \u0111\u0129a g\u1eafn tr\u1ef1c ti\u1ebfp v\u00e0 \u1ed5 \u0111\u0129a b\u00ean trong s\u1ebd l\u00e0 SAS.<\/p>\n<p>3. \u0110\u1ed1i v\u1edbi l\u01b0u tr\u1eef g\u1ea7n tuy\u1ebfn, nh\u1eefng chu\u1ea9n giao ti\u1ebfp t\u1ed1t nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n<p>4. \u0110\u1ec3 k\u1ebft n\u1ed1i v\u1edbi SAN, Fibre Channel s\u1ebd ti\u1ebfp t\u1ee5c d\u1eabn \u0111\u1ea7u, nh\u01b0ng iSCSI s\u1ebd s\u1edbm b\u00e1m theo sau.<\/p>\n<p>5. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ed5 \u0111\u0129a tr\u00ean SAN, SAS c\u00f3 th\u1ec3 s\u1ebd th\u1eafng, nh\u01b0ng k\u1ebft n\u1ed1i \u0111\u1ebfn SAN s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 FC.<\/p>\n<p>Tr\u1eeb khi Fibre Channel ra m\u1eaft v\u1edbi m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf chi ph\u00ed th\u1ea5p cho c\u00e1c \u1ed5 \u0111\u0129a hi\u1ec7n t\u1ea1i, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb thua k\u00e9m d\u1ea7n do vi\u1ec7c k\u1ebft n\u1ed1i \u1ed5 \u0111\u0129a trong th\u1eddi gian d\u00e0i.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>B&agrave;i vi&#7871;t n&agrave;y s&#7869; so s&aacute;nh c&ocirc;ng ngh&#7879; &#7893; &#273;&#297;a Serial-Attached SCSI v&#7899;i c&aacute;c c&ocirc;ng ngh&#7879; &#7893; &#273;&#297;a kh&aacute;c hi&#7879;n c&oacute;. Trong v&agrave;i n&#259;m t&#7899;i, Fibre Channel v&agrave; Serial-Attached SCSI (SAS) s&#7869; ti&#7871;p t&#7909;c l&agrave; giao ti&#7871;p &#273;&#432;&#7907;c l&#7921;a ch&#7885;n tr&ecirc;n SAN. Hi&#7879;n t&#7841;i, hi&#7879;u su&#7845;t c&#7911;a c&#7843; hai lo&#7841;i v&#7873; c&#417; b&#7843;n l&agrave; t&#432;&#417;ng&#8230;<\/p>\n","protected":false},"author":2,"featured_media":1160,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[44,1],"tags":[87,86],"class_list":["post-1159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product","category-tong-hop","tag-fabric","tag-sas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>So s\u00e1nh gi\u1eefa SAS, SATA v\u00e0 Fibre Channel - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/so-sanh-giua-sas-sata-va-fibre-channel-p1159\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"So s\u00e1nh gi\u1eefa SAS, SATA v\u00e0 Fibre Channel - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"B&agrave;i vi&#7871;t n&agrave;y s&#7869; so s&aacute;nh c&ocirc;ng ngh&#7879; &#7893; &#273;&#297;a Serial-Attached SCSI v&#7899;i c&aacute;c c&ocirc;ng ngh&#7879; &#7893; &#273;&#297;a kh&aacute;c hi&#7879;n c&oacute;. Trong v&agrave;i n&#259;m t&#7899;i, Fibre Channel v&agrave; Serial-Attached SCSI (SAS) s&#7869; ti&#7871;p t&#7909;c l&agrave; giao ti&#7871;p &#273;&#432;&#7907;c l&#7921;a ch&#7885;n tr&ecirc;n SAN. 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