{"id":4287,"date":"2025-09-03T00:00:00","date_gmt":"2025-09-03T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-direct-attached-storage-means-for-your-data-access-privacy\/"},"modified":"2026-06-22T07:49:40","modified_gmt":"2026-06-22T07:49:40","slug":"what-direct-attached-storage-means-for-your-data-access-privacy","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-direct-attached-storage-means-for-your-data-access-privacy","title":{"rendered":"Gi\u1ea3i th\u00edch v\u1ec1 b\u1ed9 l\u01b0u tr\u1eef DAS: B\u1ed9 l\u01b0u tr\u1eef g\u1eafn tr\u1ef1c ti\u1ebfp (Direct-Attached Storage) l\u00e0 g\u00ec?"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/170cdb1d783a4f3ab3d7009ec2a4ec0f.webp\" alt=\"What Does Direct-Attached Storage Mean for Your Data\" class=\"wp-image-4285\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/170cdb1d783a4f3ab3d7009ec2a4ec0f.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/170cdb1d783a4f3ab3d7009ec2a4ec0f-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/170cdb1d783a4f3ab3d7009ec2a4ec0f-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/170cdb1d783a4f3ab3d7009ec2a4ec0f-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/170cdb1d783a4f3ab3d7009ec2a4ec0f-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong v\u0169 tr\u1ee5 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u, ba t\u1eeb vi\u1ebft t\u1eaft th\u1ed1ng tr\u1ecb cu\u1ed9c tr\u00f2 chuy\u1ec7n: <strong>DAS, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/network-attached-storage-what-it-is-and-how-it-works\/\"><strong>NAS<\/strong><\/a><strong>, and <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-you-should-know-about-storage-area-network-san\/\"><strong>SAN<\/strong><\/a>. M\u1eb7c d\u00f9 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y v\u00e0 l\u01b0u tr\u1eef k\u1ebft n\u1ed1i m\u1ea1ng nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea7n l\u1edbn s\u1ef1 ch\u00fa \u00fd tr\u00ean truy\u1ec1n th\u00f4ng, \u0111\u00f4i khi gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u1ea1i l\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t. N\u1ebfu b\u1ea1n c\u1ea7n truy c\u1eadp d\u1eef li\u1ec7u nhanh nh\u01b0 ch\u1edbp m\u00e0 kh\u00f4ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ea1ng, <strong>L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp (DAS)<\/strong> c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0ng <strong>DAS ch\u00ednh x\u00e1c l\u00e0 g\u00ec<\/strong>, v\u00e0 li\u1ec7u n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n? H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft m\u1ecdi \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft, t\u1eeb ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i \u0111\u1ebfn c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00fd t\u01b0\u1edfng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 Nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp (DAS)<\/strong> \u0111\u01b0\u1ee3c c\u1eafm tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. N\u00f3 cho ph\u00e9p b\u1ea1n truy c\u1eadp c\u00e1c t\u1ec7p c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. B\u1ea1n kh\u00f4ng c\u1ea7n m\u1ea1ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y.<\/p><\/li><li><p>DAS ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho m\u1ed9t ng\u01b0\u1eddi d\u00f9ng c\u1ea7n truy c\u1eadp d\u1eef li\u1ec7u nhanh. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi \u0111\u1ec3 sao l\u01b0u c\u00e1 nh\u00e2n. N\u00f3 h\u1ed7 tr\u1ee3 r\u1ea5t t\u1ed1t khi b\u1ea1n ch\u1ec9nh s\u1eeda c\u00e1c t\u1ec7p l\u1edbn.<\/p><\/li><li><p>B\u1ea1n c\u00f3 th\u1ec3 th\u00eam nhi\u1ec1u thi\u1ebft b\u1ecb h\u01a1n \u0111\u1ec3 t\u0103ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n m\u1edf r\u1ed9ng kh\u00f4ng gian l\u01b0u tr\u1eef khi c\u1ea7n th\u00eam ch\u1ed7 cho d\u1eef li\u1ec7u.<\/p><\/li><li><p>DAS gi\u1eef an to\u00e0n cho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n v\u00ec ch\u1ec9 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n m\u1edbi c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y c\u00e1c t\u1ec7p \u0111\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m nguy c\u01a1 ng\u01b0\u1eddi kh\u00e1c x\u00e2m nh\u1eadp.<\/p><\/li><li><p>Lu\u00f4n sao l\u01b0u c\u00e1c t\u1ec7p quan tr\u1ecdng c\u1ee7a b\u1ea1n \u1edf n\u01a1i kh\u00e1c n\u1eefa. Vi\u1ec7c n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u n\u1ebfu c\u00f3 \u0111i\u1ec1u g\u00ec \u0111\u00f3 sai s\u00f3t v\u1edbi DAS.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp (DAS) l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a \u0111\u01a1n gi\u1ea3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp (DAS)<\/strong> l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi m\u00e1y t\u00ednh, m\u00e1y ch\u1ee7 ho\u1eb7c tr\u1ea1m l\u00e0m vi\u1ec7c <em>m\u00e0<\/em> m\u00e0 kh\u00f4ng qua m\u1ea1ng trung gian n\u00e0o. H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 m\u1ed9t \u201cthuy\u1ec1n ch\u1ee9a\u201d l\u01b0u tr\u1eef chuy\u00ean bi\u1ec7t d\u00e0nh ri\u00eang cho m\u1ed9t \u201cthuy\u1ec1n tr\u01b0\u1edfng\u201d duy nh\u1ea5t (thi\u1ebft b\u1ecb ch\u1ee7). Kh\u00e1c v\u1edbi <strong>NAS<\/strong> (L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i m\u1ea1ng \u2013 NAS) ho\u1eb7c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-you-should-know-about-storage-area-network-san\/\"><strong>SAN<\/strong><\/a> (M\u1ea1ng khu v\u1ef1c l\u01b0u tr\u1eef \u2013 SAN), DAS kh\u00f4ng \u0111\u01b0\u1ee3c truy c\u1eadp qua m\u1ea1ng, nh\u1edd \u0111\u00f3 lo\u1ea1i b\u1ecf c\u00e1c \u0111i\u1ec3m ngh\u1ebdn b\u0103ng th\u00f4ng v\u00e0 \u0111\u1ed9 tr\u1ec5 m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 DAS l\u00e0 \u1ed5 c\u1ee9ng (HDD) ho\u1eb7c \u1ed5 th\u1ec3 r\u1eafn (SSD) b\u00ean trong laptop c\u1ee7a b\u1ea1n. C\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef ngo\u00e0i nh\u01b0 \u1ed5 USB, \u1ed5 HDD ngo\u00e0i v\u00e0 c\u00e1c b\u1ed9 v\u1ecf k\u1ebft n\u1ed1i Thunderbolt c\u0169ng l\u00e0 nh\u1eefng d\u1ea1ng DAS \u0111i\u1ec3n h\u00ecnh.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/523ab360e48e4f4a8e4bfe35ad6395b8.webp\" alt=\"Direct-Attached Storage\" class=\"wp-image-4286\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/523ab360e48e4f4a8e4bfe35ad6395b8.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/523ab360e48e4f4a8e4bfe35ad6395b8-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/523ab360e48e4f4a8e4bfe35ad6395b8-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/523ab360e48e4f4a8e4bfe35ad6395b8-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/523ab360e48e4f4a8e4bfe35ad6395b8-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 DAS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? K\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb \u201ctr\u1ef1c ti\u1ebfp\u201d trong DAS l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. Ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1eadt l\u00fd v\u1edbi thi\u1ebft b\u1ecb ch\u1ee7 th\u00f4ng qua m\u1ed9t giao di\u1ec7n t\u1ed1c \u0111\u1ed9 cao nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>SATA\/SAS:<\/strong> D\u00e0nh cho \u1ed5 \u0111\u0129a n\u1ed9i b\u1ed9.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>USB (3.2, 4.0):<\/strong> D\u00e0nh cho kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i ngo\u00e0i mang t\u00ednh ph\u1ed5 qu\u00e1t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Thunderbolt (3\/4):<\/strong> D\u00e0nh cho k\u1ebft n\u1ed1i ngo\u00e0i t\u1ed1c \u0111\u1ed9 c\u1ef1c cao, ph\u1ed5 bi\u1ebfn trong c\u00e1c ng\u00e0nh s\u00e1ng t\u1ea1o.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>eSATA:<\/strong> Phi\u00ean b\u1ea3n ngo\u00e0i c\u1ee7a SATA.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp n\u00e0y cung c\u1ea5p cho m\u00e1y t\u00ednh ch\u1ee7 quy\u1ec1n truy c\u1eadp \u0111\u1ed9c quy\u1ec1n \u1edf m\u1ee9c kh\u1ed1i (block-level) v\u00e0o thi\u1ebft b\u1ecb l\u01b0u tr\u1eef. H\u1ec7 \u0111i\u1ec1u h\u00e0nh nh\u1eadn di\u1ec7n DAS nh\u01b0 m\u1ed9t \u1ed5 \u0111\u0129a c\u1ee5c b\u1ed9, khi\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 s\u1eed d\u1ee5ng tr\u1edf n\u00ean v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 So s\u00e1nh nhanh: DAS so v\u1edbi NAS so v\u1edbi SAN<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn ki\u1ebfn tr\u00fac l\u01b0u tr\u1eef ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a b\u1ea1n v\u1ec1 t\u1ed1c \u0111\u1ed9, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 chia s\u1ebb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh nhanh:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>DAS (B\u1ed9 l\u01b0u tr\u1eef g\u1eafn tr\u1ef1c ti\u1ebfp)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/network-attached-storage-what-it-is-and-how-it-works\/\"><strong>NAS (L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i m\u1ea1ng)<\/strong><\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-you-should-know-about-storage-area-network-san\/\"><strong>SAN (M\u1ea1ng khu v\u1ef1c l\u01b0u tr\u1eef)<\/strong><\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>K\u1ebft n\u1ed1i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tr\u1ef1c ti\u1ebfp (USB, Thunderbolt, SATA)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng Ethernet (TCP\/IP)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng t\u1ed1c \u0111\u1ed9 cao (Fibre Channel, iSCSI)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u1ee9c \u0111\u1ed9 truy c\u1eadp<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u1ede m\u1ee9c kh\u1ed1i (Block-Level)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u1ede m\u1ee9c t\u1ec7p (File-Level)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u1ede m\u1ee9c kh\u1ed1i (Block-Level)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1eed d\u1ee5ng cho m\u00e1y ch\u1ee7\/m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n \u0111\u01a1n l\u1ebb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chia s\u1ebb t\u1ec7p v\u00e0 c\u1ed9ng t\u00e1c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea3ng m\u00e1y ch\u1ee7 hi\u1ec7u n\u0103ng cao<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u1ed1c \u0111\u1ed9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u26a1\u26a1\u26a1\u26a1\u26a1 (R\u1ea5t cao, kh\u00f4ng c\u00f3 \u0111\u1ed9 tr\u1ec5 m\u1ea1ng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u26a1\u26a1\u26a1 (Ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u26a1\u26a1\u26a1\u26a1 (R\u1ea5t cao, m\u1ea1ng chuy\u00ean d\u1ee5ng)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ea1n ch\u1ebf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Xu\u1ea5t s\u1eafc<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 \u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a DAS<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u su\u1ea5t cao:<\/strong> Kh\u00f4ng c\u00f3 chi ph\u00ed m\u1ea1ng \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9 tr\u1ec5 t\u1ed1i thi\u1ec3u v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u b\u0103ng th\u00f4ng cao nh\u01b0 ch\u1ec9nh s\u1eeda video.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u01a1n gi\u1ea3n &amp; D\u1ec5 s\u1eed d\u1ee5ng:<\/strong> D\u1ec5 d\u00e0ng c\u00e0i \u0111\u1eb7t, c\u1ea5u h\u00ecnh v\u00e0 qu\u1ea3n l\u00fd. V\u1ec1 c\u01a1 b\u1ea3n, \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p \u201cc\u1eafm v\u00e0o l\u00e0 ch\u1ea1y\u201d.\u201d<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Chi ph\u00ed hi\u1ec7u qu\u1ea3:<\/strong> Chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n so v\u1edbi vi\u1ec7c tri\u1ec3n khai c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng NAS ho\u1eb7c SAN \u0111\u1ea7y \u0111\u1ee7.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ea3o m\u1eadt n\u00e2ng cao:<\/strong> V\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng, n\u00ean DAS v\u1ed1n d\u0129 \u00edt d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean m\u1ea1ng h\u01a1n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u274c Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng truy c\u1eadp h\u1ea1n ch\u1ebf:<\/strong> D\u1eef li\u1ec7u kh\u00f4ng th\u1ec3 chia s\u1ebb d\u1ec5 d\u00e0ng v\u1edbi ng\u01b0\u1eddi d\u00f9ng kh\u00e1c qua m\u1ea1ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng k\u00e9m:<\/strong> B\u1ea1n b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi s\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng v\u00e0 dung l\u01b0\u1ee3ng c\u1ee7a b\u1ed9 v\u1ecf l\u01b0u tr\u1eef.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao:<\/strong> Th\u00f4ng th\u01b0\u1eddng thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u t\u00edch h\u1ee3p nh\u01b0 ch\u1ee5p \u1ea3nh (snapshots), sao ch\u00e9p (replication) v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn RAID n\u00e2ng cao m\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef doanh nghi\u1ec7p cung c\u1ea5p.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 Ai n\u00ean s\u1eed d\u1ee5ng DAS? C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00fd t\u01b0\u1edfng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DAS<\/strong> DAS kh\u00f4ng d\u00e0nh cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi, nh\u01b0ng n\u00f3 t\u1ecfa s\u00e1ng trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Nh\u00e0 bi\u00ean t\u1eadp video &amp; nh\u00e0 thi\u1ebft k\u1ebf \u0111\u1ed3 h\u1ecda:<\/strong> C\u00e1c chuy\u00ean gia l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c t\u1ec7p ph\u01b0\u01a1ng ti\u1ec7n dung l\u01b0\u1ee3ng l\u1edbn c\u1ea7n t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi nhanh nh\u1ea5t c\u00f3 th\u1ec3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ng\u01b0\u1eddi ch\u01a1i game:<\/strong> Th\u00eam m\u1ed9t \u1ed5 DAS dung l\u01b0\u1ee3ng cao cho th\u01b0 vi\u1ec7n tr\u00f2 ch\u01a1i gi\u00fap tr\u00e1nh l\u00e0m \u0111\u1ea7y \u1ed5 SSD ch\u00ednh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Doanh nghi\u1ec7p nh\u1ecf\/SOHO:<\/strong> M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ec3 b\u1ed5 sung dung l\u01b0\u1ee3ng sao l\u01b0u kh\u1ed5ng l\u1ed3 ho\u1eb7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u01b0u tr\u1eef (archive) v\u00e0o m\u1ed9t m\u00e1y ch\u1ee7 duy nh\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng:<\/strong> Ch\u1ea1y c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u l\u01b0u tr\u1eef chuy\u00ean d\u1ee5ng t\u1ed1c \u0111\u1ed9 cao m\u00e0 kh\u00f4ng c\u1ea7n chi ph\u00ed c\u1ee7a m\u1ed9t SAN.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ea5u h\u00ecnh \u0111\u00f2i h\u1ecfi th\u00f4ng l\u01b0\u1ee3ng c\u1ef1c cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u1ea3ng to\u00e0n-flash, k\u1ebft n\u1ed1i v\u1eadt l\u00fd l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. \u0110\u00e2y l\u00e0 n\u01a1i c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>c\u00e1c module quang LINK-PP<\/strong><\/a> \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u v\u00e0 t\u1ed1c \u0111\u1ed9. V\u00ed d\u1ee5, t\u00edch h\u1ee3p m\u1ed9t b\u1ed9 thu ph\u00e1t <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP-10G-SR<br><\/strong><\/a> v\u00e0o b\u1ed9 v\u1ecf DAS v\u1edbi k\u1ebft n\u1ed1i k\u00eanh s\u1ee3i quang (fiber channel) c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai c\u1ee7a kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u00e0 t\u1ed1i \u0111a h\u00f3a t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u, khi\u1ebfn \u0111\u00e2y tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p DAS \u0111\u00f2i h\u1ecfi hi\u1ec7u n\u0103ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 K\u1ebft lu\u1eadn: Li\u1ec7u DAS c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp<\/strong> v\u1eabn l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p r\u1ea5t ph\u00f9 h\u1ee3p, m\u1ea1nh m\u1ebd v\u00e0 \u0111\u01a1n gi\u1ea3n trong m\u1ed9t th\u1ebf gi\u1edbi \u00e1m \u1ea3nh b\u1edfi kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i. T\u1ed1c \u0111\u1ed9 th\u00f4 v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3 l\u00e0 kh\u00f4ng g\u00ec s\u00e1nh n\u1ed5i \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng chuy\u00ean nghi\u1ec7p c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u c\u1ee7a b\u1ea1n l\u00e0 l\u01b0u tr\u1eef nhanh, chuy\u00ean bi\u1ec7t cho m\u1ed9t m\u00e1y duy nh\u1ea5t m\u00e0 kh\u00f4ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 chi ph\u00ed c\u1ee7a m\u1ed9t c\u1ea5u h\u00ecnh m\u1ea1ng, th\u00ec DAS ch\u1eafc ch\u1eafn l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udca1 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u1ee3i \u00edch ch\u00ednh c\u1ee7a b\u1ed9 l\u01b0u tr\u1eef k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp nhanh v\u00e0o c\u00e1c t\u1ec7p c\u1ee7a m\u00ecnh. DAS k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. B\u1ea1n kh\u00f4ng ph\u1ea3i ch\u1edd m\u1ea1ng. C\u1ea5u h\u00ecnh n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u00e1 nh\u00e2n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb n\u00e0o l\u00e0m b\u1ed9 l\u01b0u tr\u1eef k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1ed5 c\u1ee9ng ngo\u00e0i, SSD ho\u1eb7c m\u1ea3ng RAID. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u1eafm v\u00e0o m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n th\u00f4ng qua c\u00e1p nh\u01b0 USB ho\u1eb7c SATA.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>M\u1eb9o: Ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef c\u1ee7a b\u1ea1n.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec khi\u1ebfn DAS kh\u00e1c bi\u1ec7t so v\u1edbi b\u1ed9 l\u01b0u tr\u1eef m\u1ea1ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DAS k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t m\u00e1y t\u00ednh duy nh\u1ea5t. B\u1ea1n ki\u1ec3m so\u00e1t c\u00e1c t\u1ec7p c\u1ee7a m\u00ecnh. B\u1ed9 l\u01b0u tr\u1eef m\u1ea1ng cho ph\u00e9p nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng chia s\u1ebb t\u1ec7p qua m\u1ea1ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>DAS<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>B\u1ed9 l\u01b0u tr\u1eef m\u1ea1ng<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ed9t ng\u01b0\u1eddi d\u00f9ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng c\u1ea7n m\u1ea1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1ea7n m\u1ea1ng<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n n\u00ean c\u00e2n nh\u1eafc \u0111i\u1ec1u g\u00ec tr\u01b0\u1edbc khi ch\u1ecdn DAS?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n n\u00ean suy ngh\u0129 v\u1ec1 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef c\u1ea7n thi\u1ebft v\u00e0 c\u00e1ch b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng c\u00e1c t\u1ec7p c\u1ee7a m\u00ecnh. DAS ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n mu\u1ed1n t\u1ed1c \u0111\u1ed9 v\u00e0 quy\u1ec1n ri\u00eang t\u01b0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu thi\u1ebft b\u1ecb DAS c\u1ee7a b\u1ea1n g\u1eb7p s\u1ef1 c\u1ed1?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 m\u1ea5t d\u1eef li\u1ec7u n\u1ebfu kh\u00f4ng sao l\u01b0u. Lu\u00f4n l\u01b0u c\u00e1c t\u1ec7p quan tr\u1ecdng \u1edf m\u1ed9t v\u1ecb tr\u00ed kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u1ed9 l\u01b0u tr\u1eef g\u1eafn tr\u1ef1c ti\u1ebfp (DAS) k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy c\u1eadp d\u1eef li\u1ec7u nhanh, t\u00ednh ri\u00eang t\u01b0 v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ea1ng.<\/p>","protected":false},"author":1,"featured_media":4285,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4287","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4287","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=4287"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4287\/revisions"}],"predecessor-version":[{"id":11187,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4287\/revisions\/11187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4285"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}