{"id":3789,"date":"2020-01-03T23:11:22","date_gmt":"2020-01-03T23:11:22","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=3789"},"modified":"2023-04-05T10:04:29","modified_gmt":"2023-04-05T03:04:29","slug":"o-luu-tru-edsff-dung-luong-luu-tru-flash-ban-chua-tung-thay","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/o-luu-tru-edsff-dung-luong-luu-tru-flash-ban-chua-tung-thay-p3789\/","title":{"rendered":"\u1ed4 l\u01b0u tr\u1eef EDSFF: Dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef flash b\u1ea1n ch\u01b0a t\u1eebng th\u1ea5y!"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p>C\u00f3 l\u1ebd ch\u00fang ta nh\u1eadn th\u1ea5y c\u00f3 m\u1ed9t \u0111i\u1ec1u g\u1ea7n nh\u01b0 v\u00f4 ngh\u0129a v\u1edbi vi\u1ec7c c\u00e1c <a class=\"iblink\" href=\"\/linh-kien-may-chu\/ssd\/\">\u1ed5 c\u1ee9ng SSD<\/a> v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef trong h\u00ecnh d\u1ea1ng c\u1ee7a \u1ed5 c\u1ee9ng 2.5 inch, \u0111\u01b0\u1ee3c m\u01b0\u1ee3n t\u1eeb c\u00e1c \u1ed5 \u0111\u0129a c\u01a1 h\u1ecdc truy\u1ec1n th\u1ed1ng l\u00e2u \u0111\u1ebfn v\u1eady.\u00a0Chip NAND &#8211; c\u00f4ng ngh\u1ec7 b\u1ed9 nh\u1edb d\u00e0i h\u1ea1n l\u01b0u tr\u1eef d\u1eef li\u1ec7u b\u00ean trong SSD &#8211; mang \u0111\u1ebfn s\u1ef1 linh ho\u1ea1t, kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i, v\u00e0 ch\u1ed1ng s\u1ed1c khi v\u1eadn h\u00e0nh m\u00e0 c\u00e1c \u1ed5 \u0111\u0129a quay c\u01a1 h\u1ecdc ch\u1ec9 c\u00f3 th\u1ec3 m\u01a1 \u01b0\u1edbc.\u00a0Ch\u00fang g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n kh\u00f4ng b\u1ecb r\u00e0ng bu\u1ed9c b\u1edfi k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd.\u00a0Th\u1ef1c s\u1ef1, l\u00fd do duy nh\u1ea5t \u0111\u1ec3 ti\u1ebfp t\u1ee5c \u0111\u00f3ng g\u00f3i \u1ed5 SSD v\u00e0o v\u1ecf \u1ed5 c\u1ee9ng c\u01a1 h\u1ecdc l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch theo s\u1ef1 k\u1ebf th\u1eeba.<\/p>\n<p>Th\u1ef1c t\u1ebf l\u00e0 c\u00e1c form-factor m\u1edbi bao gi\u1edd c\u0169ng mang \u0111\u1ebfn vi\u1ec7c g\u00e2y r\u1ed1i v\u00e0 kh\u00f4ng ai mu\u1ed1n d\u1ea5n th\u00e2n trong m\u1ed9t tr\u1eadn chi\u1ebfn kh\u00f3 kh\u0103n, tr\u1eeb khi c\u00f3 m\u1ed9t l\u00fd do \u0111\u1eb7c bi\u1ec7t cho n\u00f3.\u00a0Trong khi th\u1ecb tr\u01b0\u1eddng SSD ng\u00e0y nay \u0111a d\u1ea1ng h\u01a1n, bao g\u1ed3m PCI Express add-in card v\u00e0 \u1ed5 \u0111\u0129a M.2 g\u1eafn tr\u00ean bo m\u1ea1ch ch\u1ee7, c\u00e1c m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef m\u1eadt \u0111\u1ed9 cao v\u1eabn s\u1eed d\u1ee5ng c\u00e1c khay \u1ed5 2.5&#8243;.<\/p>\n<p>Enterprise &amp; Datacenter SSD form-factor (EDSFF), thi\u1ebft k\u1ebf \u1ed5 \u0111\u0129a ho\u00e0n to\u00e0n m\u1edbi, \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 thay \u0111\u1ed5i \u0111i\u1ec1u \u0111\u00f3.\u00a0S\u1ef1 s\u1eb5n s\u00e0ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m l\u01b0u tr\u1eef ti\u00ean phong d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf h\u1ea5p d\u1eabn n\u00e0y h\u1ee9a h\u1eb9n nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi \u0111\u1ed9t ph\u00e1, nhanh ch\u00f3ng cho \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao.\u00a0H\u00e3y ngh\u0129 \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 d\u1eef li\u1ec7u l\u1edbn, AI, high-end gaming v\u00e0 \u1ee9ng d\u1ee5ng n\u1eb7ng v\u1ec1 d\u1eef li\u1ec7u ho\u1eb7c s\u1eed d\u1ee5ng nhi\u1ec1u \u0111\u1ed3 h\u1ecda trong \u0111\u00f3 b\u1ed9 nh\u1edb dung l\u01b0\u1ee3ng l\u1edbn v\u00e0 b\u1ed9 l\u01b0u tr\u1eef c\u1ef1c nhanh l\u00e0 l\u1ee3i th\u1ebf.<\/p>\n<p>B\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u1ec1 EDSFF v\u00e0 gi\u1ea3i th\u00edch c\u00e1ch n\u00f3 thay \u0111\u1ed5i l\u01b0u tr\u1eef trong trung t\u00e2m d\u1eef li\u1ec7u, \u0111\u00e3 \u0111\u1ebfn l\u00fac xem x\u00e9t c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a lo\u1ea1i form factor n\u00e0y.\u00a0H\u00e3y s\u1eb5n s\u00e0ng \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1:<\/p>\n<ul>\n<li>C\u00e1c \u1ed5 SSD d\u1ef1a tr\u00ean EDSFF \u0111\u1ea7u ti\u00ean \u0111\u00e3 s\u1eb5n s\u00e0ng<\/li>\n<li>C\u00e1c m\u00e1y ch\u1ee7 1U v\u00e0 c\u00e1c JBOF container (Just a Bunch Of Flash) v\u1edbi 32 khoang \u1ed5 \u0111\u0129a EDSFF \u1edf ph\u00eda tr\u01b0\u1edbc<\/li>\n<li>EDSFF s\u1ebd ph\u00e1t tri\u1ec3n nh\u01b0 th\u1ebf n\u00e0o, bao g\u1ed3m h\u1ed7 tr\u1ee3 cho PCIe 4.0 v\u00e0 5.0, c\u1ed9ng v\u1edbi c\u00e1c li\u00ean k\u1ebft r\u1ed9ng h\u01a1n \u0111\u1ec3 c\u00f3 th\u00f4ng l\u01b0\u1ee3ng b\u1ed5 sung<\/li>\n<\/ul>\n<h2>Nh\u1eafc l\u1ea1i: EDSFF l\u00e0 g\u00ec?\u00a0V\u00e0 t\u1ea1i sao t\u00f4i c\u1ea7n quan t\u00e2m?<\/h2>\n<p>V\u1edbi c\u00e1c th\u00f4ng s\u1ed1 \u0111\u01b0\u1ee3c m\u01b0\u1ee3n t\u1eeb &#8220;c\u00e2y th\u01b0\u1edbc c\u1ee7a Intel&#8221;,\u00a0b\u1ed9 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean cho h\u00ecnh d\u1ea1ng h\u1eb9p v\u00e0 d\u00e0i c\u1ee7a n\u00f3.\u00a0EDSFF cho ph\u00e9p b\u1ed1 tr\u00ed chip NAND tr\u00ean PCB c\u00f3 thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a c\u00f4ng su\u1ea5t v\u00e0 truy\u1ec1n nhi\u1ec7t, thay v\u00ec nh\u1ed3i nh\u00e9t ch\u00fang v\u00e0o v\u1ecf b\u1ecdc d\u00e0nh cho c\u00e1c \u0111\u0129a quay.\u00a0\u0110i\u1ec1u \u0111\u00f3 mang \u0111\u1ebfn nhi\u1ec1u terabyte tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb rack cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng \u0111\u1ee7 dung l\u01b0\u1ee3ng v\u00e0 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 d\u00e0y \u0111\u1eb7c.\u00a0C\u00e1ch ti\u1ebfp c\u1eadn m\u1edbi t\u1ed1i \u01b0u h\u00f3a lu\u1ed3ng kh\u00f4ng kh\u00ed v\u00e0 cung c\u1ea5p m\u1ed9t c\u01a1 h\u1ed9i ch\u01b0a t\u1eebng c\u00f3 \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c l\u01b0u tr\u1eef theo y\u00eau c\u1ea7u, ph\u00e2n t\u00e1ch theo kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c n\u1eb7ng v\u00e0 t\u00ednh to\u00e1n d\u1ef1a tr\u00ean GPU.<\/p>\n<p>form-factor m\u1edbi l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi \u1ed5 \u0111\u0129a k\u1ebf th\u1eeba \u1edf ph\u00eda tr\u01b0\u1edbc c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng rack-mount.\u00a0N\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t kh\u1edfi \u0111\u1ea7u m\u1edbi cho b\u1ed9 nh\u1edb flash trong trung t\u00e2m d\u1eef li\u1ec7u, nh\u1edd v\u00e0o th\u1ebf h\u1ec7 QLC NAND chi ph\u00ed th\u1ea5p m\u1edbi nh\u1ea5t, c\u1ed9ng v\u1edbi c\u00e1c \u1ed5 \u0111\u0129a c\u00f3 dung l\u01b0\u1ee3ng cao h\u01a1n cung c\u1ea5p nhi\u1ec1u b\u1ed9 nh\u1edb h\u01a1n trong kh\u00f4ng gian v\u1eadt l\u00fd \u00edt h\u01a1n.\u00a0V\u00e0 n\u00f3 \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 khu\u1ea5y \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng!<\/p>\n<p>S\u1ef1 s\u1eb5n s\u00e0ng c\u1ee7a EDSFF c\u00f3 th\u1ec3 g\u00e2y ng\u1ea1c nhi\u00ean cho nh\u1eefng ng\u01b0\u1eddi quen thu\u1ed9c v\u1edbi s\u1ef1 kh\u1edfi \u0111\u1ea7u \u0111\u1ed9c quy\u1ec1n c\u1ee7a n\u00f3.\u00a0Tuy nhi\u00ean, m\u1ed9t l\u1eddi k\u00eau g\u1ecdi to\u00e0n ng\u00e0nh cho m\u1ed9t form-factor linh ho\u1ea1t, t\u1ed1i \u01b0u h\u00f3a cho flash \u0111\u00e3 th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a thi\u1ebft k\u1ebf.\u00a0Nh\u1eefng g\u00ec ch\u00fang ta c\u00f3 b\u00e2y gi\u1edd l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n v\u1eadt l\u00fd \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 m\u1edf kh\u00f3a ti\u1ec1m n\u0103ng c\u1ee7a\u00a0giao ti\u1ebfp hi\u1ec7u n\u0103ng cao\u00a0NVMe \u0111\u1ec3 g\u1eafn b\u1ed9 nh\u1edb l\u01b0u tr\u1eef d\u00e0i h\u1ea1n (non-volatile) v\u00e0o bus PCI Express qua m\u1ed9t \u0111\u1ea7u n\u1ed1i chung.\u00a0N\u00f3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi 15 h\u00e3ng h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh, t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t flash \u0111\u1ebfn c\u00e1c nh\u00e0 h\u1ed7 tr\u1ee3 h\u1ec7 sinh th\u00e1i v\u00e0 nh\u00e0 cung c\u1ea5p gi\u1ea3i ph\u00e1p.<\/p>\n<h2>Gi\u1eef vai tr\u00f2 d\u1eabn \u0111\u1ea7u trong l\u01b0u tr\u1eef th\u1ebf h\u1ec7 ti\u1ebfp theo<\/h2>\n<p>B\u1edfi v\u00ec EDSFF d\u1ef1a tr\u00ean form-factor h\u00ecnh c\u00e2y th\u01b0\u1edbc (ruler) \u0111\u1ed9c quy\u1ec1n c\u1ee7a Intel, ch\u00fang t\u00f4i kh\u00f4ng ng\u1ea1c nhi\u00ean khi\u00a0th\u1ea5y c\u00f4ng ty \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea\u00a0c\u00f9ng v\u1edbi Dell EMC, Facebook, HPE, Lenovo, Microsoft v\u00e0 Samsung v\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 qu\u1ea3ng b\u00e1 EDSFF.\u00a0C\u00f9ng v\u1edbi t\u00e1m ng\u01b0\u1eddi \u0111\u00f3ng g\u00f3p EDSFF (Amphenol, Foxconn Interconnect Technology, Micron, Molex, Seagate, TE Connectivity, Toshiba Memory v\u00e0 Western Digital), form-factor c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd \u1edf m\u1ecdi giai \u0111o\u1ea1n c\u1ee7a chu\u1ed7i cung \u1ee9ng.<\/p>\n<p>Khi Intel l\u1ea7n \u0111\u1ea7u ti\u00ean b\u1eaft \u0111\u1ea7u n\u00f3i v\u1ec1 &#8220;ruler&#8221; form-factor v\u00e0o n\u0103m 2017,\u00a0c\u00f9ng n\u0103m v\u1edbi s\u1ef1 ra m\u1eaft c\u1ee7a b\u1ed9 nh\u1edb Optane \u0111\u1ea7u ti\u00ean, m\u1ee5c ti\u00eau c\u1ee7a n\u00f3 l\u00e0 \u0111\u01b0a m\u1ed9t petabyte d\u1eef li\u1ec7u v\u00e0o n\u1ec1n t\u1ea3ng 1U.\u00a0Gi\u1edd \u0111\u00e2y, form-factor \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a theo EDSFF v\u00e0 h\u1ec7 sinh th\u00e1i c\u1ee7a c\u00e1c \u1ed5 \u0111\u0129a, connector, m\u00e1y ch\u1ee7 v\u00e0 gi\u1ea3i ph\u00e1p t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng s\u1ea3n ph\u1ea9m \u0111\u1ec3 b\u00e1n, \u0111\u00e3 \u0111\u1ebfn l\u00fac xem x\u00e9t k\u1ef3 v\u1ecdng c\u1ee7a EDSFF chuy\u1ec3n th\u00e0nh lo\u1ea1i l\u01b0u tr\u1eef trong th\u1ebf gi\u1edbi th\u1ef1c nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<h2>G\u1eb7p s\u1ea3n ph\u1ea9m m\u1eabu \u0111\u1ea7u ti\u00ean<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/01\/tgmc-blog-5e12f2f5191c1.jpg\" alt=\"intel ssd d5 p4326 qlc 3d nand\" \/><\/p>\n<p>Do c\u00e1c form-factor ruler v\u00e0 EDSFF Long (E1.L) g\u1ea7n nh\u01b0 gi\u1ed1ng h\u1ec7t nhau, n\u00ean c\u00f3 ngh\u0129a l\u00e0 Intel l\u1ea7n \u0111\u1ea7u ti\u00ean ra m\u1eaft v\u1edbi m\u1ed9t h\u1ecd s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng th\u00edch.\u00a0Hi\u1ec7n t\u1ea1i,\u00a0c\u00e1c \u1ed5 SSD D5-P4326 thu\u1ed9c d\u00f2ng SSD c\u1ee7a c\u00f4ng ty\u00a0c\u00f3 s\u1eb5n \u1edf c\u00e1c form-factor U.2 v\u00e0 E1.L v\u1edbi dung l\u01b0\u1ee3ng l\u00ean t\u1edbi 15,36TB s\u1eed d\u1ee5ng giao di\u1ec7n PCIe 3.1 NVMe b\u1ed1n l\u00e0n.\u00a0C\u1ea3 hai phi\u00ean b\u1ea3n \u0111\u1ec1u s\u1eed d\u1ee5ng QLC 3D NAND, cho ph\u00e9p m\u1ed7i \u00f4 nh\u1edb l\u01b0u tr\u1eef nhi\u1ec1u bit h\u01a1n 33% so v\u1edbi b\u1ed9 nh\u1edb flash th\u1ebf h\u1ec7 tr\u01b0\u1edbc c\u1ee7a Intel.<\/p>\n<p>M\u1eb7c d\u00f9 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a EDSFF \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong kh\u1ea3 n\u0103ng \u0111\u00f3ng g\u00f3i nhi\u1ec1u dung l\u01b0\u1ee3ng c\u1ee7a chu\u1ea9n n\u00e0y v\u00e0o c\u00e1c kh\u00f4ng gian nh\u1ecf, nh\u01b0ng \u0111\u1eebng \u0111\u00e1nh gi\u00e1 th\u1ea5p t\u1ea7m quan tr\u1ecdng c\u1ee7a QLC NAND trong vi\u1ec7c bi\u1ebfn SSD D5-P4326 c\u1ee7a Intel th\u00e0nh kh\u1ea3 thi.\u00a0\u0110\u00e2y l\u00e0 m\u1ed9t n\u1ec1n m\u00f3ng c\u01a1 b\u1ea3n cho ph\u00e9p dung l\u01b0\u1ee3ng 15,36TB ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u01b0 nhau \u1edf hai form-factor kh\u00e1c nhau.\u00a0B\u1edfi v\u00ec SSD d\u1ef1a tr\u00ean QLC c\u00f3 chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc \u00edt h\u01a1n so v\u1edbi ng\u01b0\u1eddi ti\u1ec1n nhi\u1ec7m c\u1ee7a ch\u00fang, n\u00ean c\u00f3 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p ti\u1ebft ki\u1ec7m h\u01a1n \u0111\u1ec3 thay th\u1ebf \u1ed5 c\u1ee9ng b\u1eb1ng ch\u00fang.\u00a0Ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n th\u00f4ng qua kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, gi\u1ea3m chi ph\u00ed l\u00e0m m\u00e1t v\u00e0 t\u1ef7 l\u1ec7 h\u1ecfng h\u00e0ng n\u0103m th\u1ea5p h\u01a1n t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 t\u1ea1o ra l\u1ee3i th\u1ebf TCO c\u1ee7a SSD D5-P4326 so v\u1edbi l\u01b0u tr\u1eef c\u01a1 h\u1ecdc.<\/p>\n<p>So s\u00e1nh hi\u1ec7u su\u1ea5t gi\u1eefa hai lo\u1ea1i l\u01b0u tr\u1eef th\u1eadm ch\u00ed kh\u00f4ng c\u00f4ng b\u1eb1ng.\u00a0Trong khi c\u00e1c \u1ed5 c\u1ee9ng enterprise nhanh nh\u1ea5t c\u00f3 th\u1ec3 duy tr\u00ec t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i l\u00ean t\u1edbi 300 MB \/ s, SSD D5-P4326 c\u00f3 th\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u tu\u1ea7n t\u1ef1 v\u1edbi t\u1ed1c \u0111\u1ed9 l\u00ean t\u1edbi 3.200 MB \/ s v\u00e0 ghi \u1edf m\u1ee9c 1.600 MB \/ s qua li\u00ean k\u1ebft PCIe x4 c\u1ee7a n\u00f3.\u00a0Th\u1ef1c hi\u1ec7n thao t\u00e1c truy xu\u1ea5t d\u1eef li\u1ec7u x\u1ea3y ra trong \u00edt nh\u1ea5t l\u00e0 135 micro gi\u00e2y, so v\u1edbi \u0111\u1ed9 tr\u1ec5 trung b\u00ecnh 2 mili gi\u00e2y c\u1ee7a \u0111\u0129a c\u1ee9ng 15K RPM.\u00a0N\u00f3i t\u00f3m l\u1ea1i, SSD truy c\u1eadp th\u00f4ng tin c\u1ee7a b\u1ea1n nhanh h\u01a1n v\u00e0 di chuy\u1ec3n nhanh h\u01a1n th\u00f4ng qua m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng l\u1edbn h\u01a1n.\u00a0T\u0103ng t\u1ed1c \u0111\u1ed9 g\u1ea5p 10 l\u1ea7n \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi hi\u1ec7u n\u0103ng l\u01b0u tr\u1eef.\u00a0V\u00e0 trong m\u1ed9t th\u1ebf gi\u1edbi ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi h\u00e0ng n\u00fai d\u1eef li\u1ec7u l\u1edbn \u0111\u1ec3 x\u1eed l\u00fd th\u1eddi gian th\u1ef1c, vi\u1ec7c gi\u1eef cho CPU \u0111\u01b0\u1ee3c cung c\u1ea5p c\u00e1c bit m\u1edbi l\u00e0 t\u00ean c\u1ee7a tr\u00f2 ch\u01a1i.<\/p>\n<p>\u0110i\u1ec1u \u0111\u00e1ng n\u00f3i l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng c\u1ee7a SSD D5-P4326 \u0111\u1ec1u \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa c\u00e1c form-factor E1.L v\u00e0 U.2.\u00a0T\u1ea1i sao l\u1ea1i \u01b0u ti\u00ean cho EDSFF?<\/p>\n<p>Th\u1eed nghi\u1ec7m c\u1ee7a Intel cho th\u1ea5y m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 EDSFF c\u00f3 th\u1ec3 l\u00e0m m\u00e1t c\u00e1c \u1ed5 \u0111\u0129a c\u1ee7a n\u00f3 \u0111\u1ebfn c\u00f9ng nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed \u00edt h\u01a1n t\u1edbi 55% so v\u1edbi \u1ed5 SSD 2.5.\u00a0Qu\u1ea1t quay ch\u1eadm t\u1ea1o ra \u00edt ti\u1ebfng \u1ed3n h\u01a1n, s\u1eed d\u1ee5ng \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 chi ph\u00ed \u00edt h\u01a1n \u0111\u1ec3 v\u1eadn h\u00e0nh.\u00a0V\u00ec v\u1eady, b\u1ea5t k\u1ec3 b\u1ea1n ch\u1ecdn gi\u1eefa hai form-factor c\u00f3 dung l\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 hay nh\u1eafm m\u1ee5c ti\u00eau m\u1eadt \u0111\u1ed9 cao nh\u1ea5t c\u00f3 th\u1ec3, SSD D.L-P4326 c\u1ee7a Intel l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh cho c\u00e1c b\u1ea3n d\u1ef1ng m\u1edbi.<\/p>\n<p>Kh\u00f4ng c\u00f2n nghi ng\u1edd g\u00ec n\u1eefa, ch\u00fang ta s\u1ebd th\u1ea5y c\u00e1c th\u00e0nh vi\u00ean kh\u00e1c trong nh\u00f3m l\u00e0m vi\u1ec7c EDSFF c\u00f4ng b\u1ed1 c\u00e1c \u1ed5 SSD t\u01b0\u01a1ng th\u00edch c\u1ee7a ri\u00eang h\u1ecd.\u00a0Ch\u1eb3ng h\u1ea1n, Western Digital \u0111\u00e3 b\u1eaft \u0111\u1ea7u n\u00f3i v\u1ec1 chi\u1ebfc E1.L Ultrastar DC SN640 c\u1ee7a m\u00ecnh, c\u00f3 dung l\u01b0\u1ee3ng l\u00ean t\u1edbi 30,72TB s\u1eed d\u1ee5ng BiCS4 NAND 96 l\u1edbp v\u00e0 c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n NVMe n\u1ed9i b\u1ed9 c\u1ee7a ri\u00eang m\u00ecnh.\u00a0Phi\u00ean b\u1ea3n 2.5.2 U.2 c\u00f3 dung l\u01b0\u1ee3ng 7.68TB, chuy\u1ec3n sang EDSFF cho c\u00e1c m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef d\u00e0y \u0111\u1eb7c th\u1eadm ch\u00ed c\u00f2n h\u1ea5p d\u1eabn h\u01a1n.\u00a0Micron, Samsung, Seagate v\u00e0 Toshiba ch\u1eafc ch\u1eafn s\u1ebd l\u00e0m theo.<\/p>\n<h2>C\u00e1c n\u1ec1n t\u1ea3ng t\u01b0\u01a1ng th\u00edch EDSFF c\u0169ng \u1edf \u0111\u00e2y<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/01\/tgmc-blog-5e12f2f5b4fbe.jpg\" alt=\"m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef Supermanic ssg-1029p-nel32r edsff\" \/><\/p>\n<p>C\u00e1c form-factor m\u1edbi \u0111ang g\u00e2y r\u1ed1i \u1ed3 \u1ea1t cho c\u00e1c h\u1ec7 sinh th\u00e1i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.\u00a0H\u1ecd y\u00eau c\u1ea7u thay \u0111\u1ed5i \u1edf m\u1ed7i l\u01b0\u1ee3t n\u00e2ng c\u1ea5p.\u00a0May m\u1eafn thay, <a class=\"iblink\" href=\"\/supermicro\/\">Supermicro<\/a> \u0111\u00e3 c\u00f3 m\u00e1y ch\u1ee7 1U \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho form-factor &#8220;h\u00ecnh c\u00e2y th\u01b0\u1edbc&#8221; c\u1ee7a Intel, do \u0111\u00f3, khi EDSFF \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n v\u1edbi nh\u1eefng s\u1eeda \u0111\u1ed5i r\u1ea5t nh\u1ecf, c\u0169ng kh\u00f4ng m\u1ea5t nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 <a class=\"iblink\" href=\"\/supermicro\/\">Supermicro<\/a> \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111\u1ea7u n\u1ed1i v\u00e0 c\u0169ng ch\u00ednh th\u1ee9c h\u1ed7 tr\u1ee3 EDSFF.\u00a0Tr\u00ean th\u1ef1c t\u1ebf, n\u1ebfu b\u1ea1n \u0111\u1eb7t m\u1ed9t h\u00ecnh \u1ea3nh c\u1ee7a\u00a0h\u1ec7 th\u1ed1ng\u00a0SSG-1029P-NEL32R\u00a0b\u00ean c\u1ea1nh ng\u01b0\u1eddi ti\u1ec1n nhi\u1ec7m d\u1ef1a tr\u00ean Ruler c\u1ee7a n\u00f3, ch\u00fang tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau.<\/p>\n<p>\u0110\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 32 \u1ed5 EDSFF ph\u00f9 h\u1ee3p nh\u01b0 th\u1ebf n\u00e0o tr\u00ean m\u1eb7t tr\u01b0\u1edbc. &#8220;Kho\u1ea3ng h\u1edf \u1edf \u0111\u00e2y l\u00e0 12mm&#8221;, Michael Scacker, gi\u00e1m \u0111\u1ed1c qu\u1ea3n l\u00fd gi\u1ea3i ph\u00e1p m\u00e1y ch\u1ee7 t\u1ea1i Supermicro cho bi\u1ebft.\u00a0V\u00ec v\u1eady, b\u1ea1n k\u1ebft th\u00fac v\u1edbi kho\u1ea3ng c\u00e1ch hai milimet \u0111\u1ec3 kh\u00f4ng kh\u00ed l\u01b0u chuy\u1ec3n gi\u1eefa m\u1ed7i \u1ed5.<\/p>\n<p>Ngo\u00e0i hai \u1ed5 \u0111\u0129a c\u1ee7a n\u00f3 c\u00f3 ch\u1ed7 cho 16 \u1ed5 SSD E1.L cho m\u1ed7i thanh tr\u01b0\u1ee3t, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a SSG-1029P-NEL32R \u0111\u1ecdc gi\u1ed1ng nh\u01b0 nhi\u1ec1u m\u00e1y ch\u1ee7 1U kh\u00e1c.\u00a0N\u00f3 h\u1ed7 tr\u1ee3 m\u1ed9t c\u1eb7p b\u1ed9 x\u1eed l\u00fd <a class=\"iblink\" href=\"\/linh-kien-may-chu\/cpu-may-chu\/intel\/\">Intel Xeon Scalable<\/a>, l\u00ean \u0111\u1ebfn 6TB DDR4 tr\u00ean 24 khe DIMM v\u00e0 hai khe M.2 \u0111\u1ec3 l\u01b0u tr\u1eef \u1ed5 \u0111\u0129a kh\u1edfi \u0111\u1ed9ng.\u00a0M\u1ed9t v\u00e0i khe c\u1eafm PCIe x16 \u1edf m\u1eb7t sau c\u00f3 th\u1ec3 g\u1eafn card m\u1ea1ng 100Gb\/s.\u00a0Ho\u1eb7c, b\u1ea1n c\u00f3 th\u1ec3 g\u1eafn b\u00f3 v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n 10GbE \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u00ean bo m\u1ea1ch ch\u1ee7 c\u1ee7a Supermicro.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/01\/tgmc-blog-5e12f2f6cd184.jpg\" alt=\"b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ethernet intel 800 series\" \/><\/p>\n<p>Ngo\u00e0i ra c\u00f2n c\u00f3 m\u1ed9t switch \u0111\u1ec3 bi\u1ebfn 64 l\u00e0n k\u1ebft n\u1ed1i PCIe t\u1eeb CPU c\u1ee7a Intel th\u00e0nh 128 l\u00e0n cho c\u00e1c \u1ed5 EDSFF (b\u1ed1n l\u00e0n cho m\u1ed7i b\u1ed9 32 li\u00ean k\u1ebft).\u00a0Quy\u1ebft \u0111\u1ecbnh gi\u1eef t\u1ef7 l\u1ec7 2:1, thay v\u00ec gh\u00e9p c\u00e1c l\u00e0n PCIe \u0111\u1ed1i di\u1ec7n v\u1edbi m\u00e1y ch\u1ee7 \u00edt h\u01a1n, duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng tr\u00ean h\u1ec7 th\u1ed1ng con l\u01b0u tr\u1eef.\u00a0Ngay c\u1ea3 khi ch\u1ecbu t\u1ea3i n\u1eb7ng, switch c\u0169ng kh\u00f4ng tr\u1edf th\u00e0nh n\u00fat c\u1ed5 chai.\u00a0Tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3, Scriber\u00a0cho bi\u1ebft nh\u00f3m c\u1ee7a \u00f4ng \u0111\u00e3 th\u1ea5y 13.000.000 IOPS v\u00e0 57 GB \/ gi\u00e2y b\u0103ng th\u00f4ng t\u1eeb m\u00e1y ch\u1ee7 Ruler s\u1eed d\u1ee5ng SSD Intel.<\/p>\n<p>Supermicro c\u0169ng \u0111ang l\u00e0m vi\u1ec7c tr\u00ean m\u1ed9t phi\u00ean b\u1ea3n JBOF (Just a Bunch Of Flash) \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 SSG136R-NEL32JBF kh\u00f4ng c\u00f3 CPU ho\u1eb7c b\u1ed9 nh\u1edb.\u00a0Thay v\u00e0o \u0111\u00f3, n\u00f3 k\u1ebft n\u1ed1i 64 l\u00e0n PCIe ra ph\u00eda sau b\u1eb1ng c\u00e1c c\u1ed5ng mini-SAS HD.\u00a0C\u00e1c c\u1ed5ng \u0111\u00f3 c\u00f3 th\u1ec3 \u00e1nh x\u1ea1 t\u1edbi hai, b\u1ed1n ho\u1eb7c nhi\u1ec1u h\u01a1n nh\u01b0 t\u00e1m m\u00e1y ch\u1ee7 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1p PCIe x8 b\u00ean ngo\u00e0i v\u00e0o host interface card theo thi\u1ebft k\u1ebf c\u1ee7a ch\u00ednh Supermicro.\u00a0V\u00e0 b\u1edfi v\u00ec n\u00f3 v\u1eabn \u0111ang s\u1eed d\u1ee5ng PCIe, hi\u1ec7u su\u1ea5t v\u1eabn r\u1ea5t \u0111\u1eb7c bi\u1ec7t.\u00a0Ch\u00fang t\u00f4i \u0111\u00e3 \u0111o \u0111\u01b0\u1ee3c 52 GB \/ gi\u00e2y ph\u00eda sau h\u1ec7 th\u1ed1ng JBOF 1U c\u1ee7a ch\u00fang t\u00f4i, \u00f4ng Scriber cho bi\u1ebft.<\/p>\n<p>\u00dd t\u01b0\u1edfng v\u1ec1 c\u00e1c JBOF enclosure \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o nhi\u1ec1u m\u00e1y ch\u1ee7 \u0111\u1eb7c bi\u1ec7t th\u00fa v\u1ecb trong c\u00e1c \u1ee9ng d\u1ee5ng trung t\u00e2m d\u1eef li\u1ec7u trong \u0111\u00f3 t\u00ednh to\u00e1n m\u00e3 l\u1ef1c, hi\u1ec7u su\u1ea5t DRAM v\u00e0 t\u00e0i nguy\u00ean l\u01b0u tr\u1eef kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1ed9c l\u1eadp.\u00a0C\u00e1c h\u1ed9p ri\u00eang bi\u1ec7t ch\u1ee9a \u0111\u1ea7y l\u00f5i CPU, b\u1ed9 t\u0103ng t\u1ed1c b\u1ed5 tr\u1ee3 v\u00e0 b\u1ed9 nh\u1edb th\u1ec3 r\u1eafn gi\u00fap kh\u00e1ch h\u00e0ng doanh nghi\u1ec7p d\u1ec5 d\u00e0ng ph\u00e1t tri\u1ec3n h\u01a1n khi v\u00e0 ch\u1ec9 khi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u1ee7a h\u1ecd y\u00eau c\u1ea7u \u0111\u1ebfn.\u00a0EDSFF gi\u00fap d\u1ec5 d\u00e0ng c\u00f3 \u0111\u01b0\u1ee3c nhi\u1ec1u dung l\u01b0\u1ee3ng h\u01a1n v\u00e0o \u00edt kh\u00f4ng gian h\u01a1n, \u0111i\u1ec1u n\u00e0y r\u1ea5t t\u1ed1t cho vi\u1ec7c tri\u1ec3n khai l\u01b0u tr\u1eef ph\u00e2n chia theo y\u00eau c\u1ea7u.<\/p>\n<h2>\u0110\u1ed5i m\u1edbi trong t\u01b0\u01a1ng lai<\/h2>\n<p>SSD D5-P4326 c\u1ee7a Intel v\u00e0 SSG-1029P-NEL32R c\u1ee7a Intel l\u00e0 nh\u1eefng v\u00ed d\u1ee5 tuy\u1ec7t v\u1eddi v\u1ec1 c\u00e1ch EDSFF x\u00e2y d\u1ef1ng t\u00ednh linh ho\u1ea1t c\u1ee7a b\u1ed9 nh\u1edb flash \u0111\u1ec3 t\u0103ng m\u1eadt \u0111\u1ed9 l\u01b0u tr\u1eef v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t nhi\u1ec7t.\u00a0H\u01a1n n\u1eefa, ch\u00fang ta \u0111\u00e3 th\u1ea5y m\u1ed9t s\u1ed1 c\u00e1ch m\u00e0 ti\u00eau chu\u1ea9n s\u1ebd th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi.<\/p>\n<p>V\u00ed d\u1ee5, BigTwin E1.S s\u1eafp t\u1edbi c\u1ee7a Supermicro g\u00f3i b\u1ed1n node m\u00e1y ch\u1ee7 v\u00e0o kh\u00f4ng gian rack 2U.\u00a0M\u1ed7i node h\u1ed7 tr\u1ee3 hai CPU Xeon Scalable, t\u1ed1i \u0111a 6TB DDR4 (bao g\u1ed3m\u00a0b\u1ed9 nh\u1edb li\u00ean t\u1ee5c Optane DC\u00a0), hai \u1ed5 SSD M.2 v\u00e0 10 \u1ed5 \u0111\u0129a E1.S ng\u1eafn h\u01a1n, m\u1ed7i \u1ed5 c\u00f3 t\u1edbi 4TB NAND.\u00a0\u0110\u00f3 l\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd v\u00e0 l\u01b0u tr\u1eef \u0111\u00e1ng kinh ng\u1ea1c t\u1eeb m\u1ed9t n\u1ec1n t\u1ea3ng nh\u1ecf g\u1ecdn.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/01\/tgmc-blog-5e12f2f76f21a.jpg\" alt=\"\u0111\u1ea7u n\u1ed1i c\u1ea1nh edsff e1 e2 e3\" \/><\/p>\n<p>Trong m\u1ed9t c\u00e1i g\u1eadt \u0111\u1ea7u v\u1edbi thi\u1ebft k\u1ebf ti\u00ean ti\u1ebfn c\u1ee7a EDSFF, \u0111\u1ea7u connector c\u1ee7a n\u00f3 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n PCIe 4.0 v\u00e0 5.0.\u00a0N\u00f3 c\u0169ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng ra ngo\u00e0i li\u00ean k\u1ebft b\u1ed1n l\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi SSD D5-P4326 c\u1ee7a Intel.\u00a0Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u1ea7u n\u1ed1i E2 (x8) v\u00e0 E3 (x16) t\u0103ng g\u1ea5p \u0111\u00f4i v\u00e0 g\u1ea5p b\u1ed1n l\u1ea7n b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng, v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn cho v\u1ecf r\u1ed9ng h\u01a1n gi\u00fap t\u1ea3n nhi\u1ec7t l\u00ean \u0111\u1ebfn 70W.\u00a0\u0110i\u1ec1u \u0111\u00f3 m\u1edf ra c\u01a1 h\u1ed9i cho c\u00e1c m\u00e1y gia t\u1ed1c t\u00ednh to\u00e1n, k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 l\u01b0u tr\u1eef g\u1eafn li\u1ec1n v\u1edbi PCIe ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi c\u00e1c \u1ed5 SSD dung l\u01b0\u1ee3ng cao.<\/p>\n<h2>D\u00f2ng cu\u1ed1i c\u00f9ng<\/h2>\n<p>N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng v\u00e0 x\u1eed l\u00fd nhi\u1ec1u d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong th\u1eddi gian th\u1ef1c, vi\u1ec7c chuy\u1ec3n sang c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng d\u1ef1a tr\u00ean EDSFF s\u1ebd thu \u0111\u01b0\u1ee3c l\u1ee3i \u00edch b\u1eb1ng TCO th\u1ea5p h\u01a1n, kh\u1ea3 n\u0103ng ph\u1ee5c v\u1ee5 cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai kh\u00f4ng c\u00f3 s\u1eb5n v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng xung quanh thi\u1ebft k\u1ebf khay \u1ed5 \u0111\u0129a 2.5 inch.<\/p>\n<p>\u2192 Xem th\u00eam <a href=\"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/edsff-chuan-o-luu-tru-moi-1pb-dung-luong-luu-tru-chi-voi-chassis-1u-p15529\/\">b\u00e0i gi\u1edbi thi\u1ec7u chi ti\u1ebft v\u1ec1 chu\u1ea9n \u1ed5 c\u1ee9ng EDSFF<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C&oacute; l&#7869; ch&uacute;ng ta nh&#7853;n th&#7845;y c&oacute; m&#7897;t &#273;i&#7873;u g&#7847;n nh&#432; v&ocirc; ngh&#297;a v&#7899;i vi&#7879;c c&aacute;c &#7893; c&#7913;ng SSD v&#7851;n &#273;&#432;&#7907;c gi&#7919; trong h&igrave;nh d&#7841;ng c&#7911;a &#7893; c&#7913;ng 2.5 inch, &#273;&#432;&#7907;c m&#432;&#7907;n t&#7915; c&aacute;c &#7893; &#273;&#297;a c&#417; h&#7885;c truy&#7873;n th&#7889;ng l&acirc;u &#273;&#7871;n v&#7853;y.&nbsp;Chip NAND &ndash; c&ocirc;ng ngh&#7879; b&#7897; nh&#7899; d&agrave;i h&#7841;n l&#432;u tr&#7919; d&#7919; li&#7879;u&#8230;<\/p>\n","protected":false},"author":2,"featured_media":3810,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tong-hop"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u1ed4 l\u01b0u tr\u1eef EDSFF: Dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef flash b\u1ea1n ch\u01b0a t\u1eebng th\u1ea5y! - 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\/o-luu-tru-edsff-dung-luong-luu-tru-flash-ban-chua-tung-thay-p3789\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"\u1ed4 l\u01b0u tr\u1eef EDSFF: Dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef flash b\u1ea1n ch\u01b0a t\u1eebng th\u1ea5y! - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"C&oacute; l&#7869; ch&uacute;ng ta nh&#7853;n th&#7845;y c&oacute; m&#7897;t &#273;i&#7873;u g&#7847;n nh&#432; v&ocirc; ngh&#297;a v&#7899;i vi&#7879;c c&aacute;c &#7893; c&#7913;ng SSD v&#7851;n &#273;&#432;&#7907;c gi&#7919; trong h&igrave;nh d&#7841;ng c&#7911;a &#7893; c&#7913;ng 2.5 inch, &#273;&#432;&#7907;c m&#432;&#7907;n t&#7915; c&aacute;c &#7893; &#273;&#297;a c&#417; h&#7885;c truy&#7873;n th&#7889;ng l&acirc;u &#273;&#7871;n v&#7853;y.&nbsp;Chip NAND &ndash; c&ocirc;ng ngh&#7879; b&#7897; nh&#7899; d&agrave;i h&#7841;n l&#432;u tr&#7919; d&#7919; li&#7879;u...\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2020\/01\/tgmc-blog-5e12f2f492711.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Vanito Hoang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 minutes\" \/>\n<script type=\"application\/ld+json\" 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