{"id":139,"date":"2026-03-19T03:46:47","date_gmt":"2026-03-18T20:46:47","guid":{"rendered":"https:\/\/rnd.vnxt.com\/?p=139"},"modified":"2026-03-21T01:15:02","modified_gmt":"2026-03-20T18:15:02","slug":"o-ssd-cua-ban-roi-cung-se-hong-mot-ngay-nao-do-nhung-co-le-khong-phai-do-ghi-qua-nhieu-du-lieu","status":"publish","type":"post","link":"https:\/\/rnd.vnxt.com\/index.php\/2026\/03\/19\/o-ssd-cua-ban-roi-cung-se-hong-mot-ngay-nao-do-nhung-co-le-khong-phai-do-ghi-qua-nhieu-du-lieu\/","title":{"rendered":"\u1ed4 SSD c\u1ee7a b\u1ea1n r\u1ed3i c\u0169ng s\u1ebd h\u1ecfng m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3, nh\u01b0ng c\u00f3 l\u1ebd kh\u00f4ng ph\u1ea3i do ghi qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u."},"content":{"rendered":"

<\/head><\/p>\n

Th\u00f4ng s\u1ed1 Terabyte ghi (TBW) tr\u00ean \u1ed5 SSD c\u1ee7a b\u1ea1n nghe c\u00f3 v\u1ebb nh\u01b0 m\u1ed9t b\u1ed9 \u0111\u1ebfm ng\u01b0\u1ee3c \u0111\u1ebfn khi d\u1eef li\u1ec7u b\u1ecb m\u1ea5t. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00e1ch h\u1eefu \u00edch \u0111\u1ec3 \u01b0\u1edbc t\u00ednh \u1ed5 SSD c\u1ee7a b\u1ea1n s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c bao l\u00e2u tr\u01b0\u1edbc khi b\u1ecb hao m\u00f2n, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ea5u ch\u1ea5m h\u1ebft cho \u1ed5 c\u1ee9ng nh\u01b0 h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi v\u1eabn ngh\u0129. H\u1ea7u h\u1ebft c\u00e1c \u1ed5 SSD NVMe d\u00e0nh cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 \u1edf m\u1ee9c 150\u2013600 TBW, t\u00f9y thu\u1ed9c v\u00e0o dung l\u01b0\u1ee3ng, con s\u1ed1 n\u00e0y c\u00f3 v\u1ebb kh\u00f4ng nhi\u1ec1u. Tr\u00ean th\u1ef1c t\u1ebf, \u1ed5 SSD c\u1ee7a b\u1ea1n kh\u00f3 c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng ch\u1ec9 v\u00ec b\u1ea1n ghi qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u v\u00e0o \u0111\u00f3 .<\/p>\n<\/p>\n

N\u1ebfu \u1ed5 SSD c\u1ee7a b\u1ea1n b\u1ecb h\u1ecfng s\u1edbm, th\u1ee7 ph\u1ea1m r\u1ea5t c\u00f3 th\u1ec3 l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, b\u1ed9 x\u1eed l\u00fd nh\u1ecf ch\u1ecbu tr\u00e1ch nhi\u1ec7m c\u00e2n b\u1eb1ng \u0111\u1ed9 m\u00f2n, s\u1eeda l\u1ed7i v\u00e0 m\u1ecdi thao t\u00e1c \u0111\u1ecdc\/ghi tr\u00ean \u1ed5 \u0111\u0129a. Khi n\u00f3 h\u1ecfng, to\u00e0n b\u1ed9 \u1ed5 \u0111\u0129a s\u1ebd b\u1ecb h\u1ecfng theo, ngay c\u1ea3 khi b\u1ed9 nh\u1edb flash b\u00ean d\u01b0\u1edbi v\u1eabn ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o.<\/p>\n

\u0110\u1ed9 b\u1ec1n c\u1ee7a b\u1ed9 nh\u1edb flash NAND cao h\u01a1n m\u1ee9c m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng s\u1ebd s\u1eed d\u1ee5ng.<\/h2>\n

X\u1ebfp h\u1ea1ng TBW r\u1ea5t quan tr\u1ecdng, nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 chi\u1ebfm m\u1ed9t ph\u1ea7n r\u1ea5t nh\u1ecf trong t\u1ed5ng th\u1ec3.<\/h3>\n
$\"H\u00ecnh$ <\/figure>\n
Ch\u1ec9 s\u1ed1 TBW kh\u00f4ng ho\u00e0n to\u00e0n v\u00f4 ngh\u0129a, v\u00ec ch\u00fang th\u1ec3 hi\u1ec7n l\u01b0\u1ee3ng d\u1eef li\u1ec7u b\u1ea1n c\u00f3 th\u1ec3 ghi v\u00e0o SSD tr\u01b0\u1edbc khi c\u00e1c \u00f4 NAND c\u00f3 kh\u1ea3 n\u0103ng b\u1eaft \u0111\u1ea7u h\u1ecfng theo th\u1ed1ng k\u00ea. M\u1ed7i thao t\u00e1c ghi l\u00e0m suy gi\u1ea3m nh\u1eb9 l\u1edbp oxit c\u00e1ch \u0111i\u1ec7n trong m\u1ed7i \u00f4, v\u00e0 sau \u0111\u1ee7 s\u1ed1 chu k\u1ef3 ghi\/x\u00f3a, \u00f4 \u0111\u00f3 kh\u00f4ng th\u1ec3 gi\u1eef \u0111i\u1ec7n t\u00edch m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 t\u00ednh \u0111\u1ebfn \u0111i\u1ec1u n\u00e0y v\u00e0 g\u00e1n cho n\u00f3 m\u1ed9t ch\u1ec9 s\u1ed1 TBW t\u01b0\u01a1ng \u1ee9ng. Con s\u1ed1 n\u00e0y c\u0169ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi dung l\u01b0\u1ee3ng, trong \u0111\u00f3 c\u00e1c \u1ed5 \u0111\u0129a l\u1edbn h\u01a1n c\u00f3 nhi\u1ec1u \u00f4 h\u01a1n \u0111\u1ec3 ph\u00e2n b\u1ed5 s\u1ef1 hao m\u00f2n, v\u00ec v\u1eady ch\u00fang c\u00f3 ch\u1ec9 s\u1ed1 cao h\u01a1n.<\/p>\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng x\u1ebfp h\u1ea1ng tr\u1ea3i nghi\u1ec7m l\u00e1i xe tr\u00ean m\u1ed9t v\u00e0i cung \u0111\u01b0\u1eddng ph\u1ed5 bi\u1ebfn:<\/p>\n
\n\n\n\n\n\n\n\n
X\u1ebfp h\u1ea1ng \u0111\u1ed9 b\u1ec1n<\/th>\n 2TB<\/th>\n 1TB<\/th>\n 500GB<\/th>\n 250GB<\/th>\n<\/tr>\n<\/thead>\n
Crucial MX500 (3D TLC) \u2013 TBW<\/td>\n 700TB<\/td>\n 360TB<\/td>\n 180TB<\/td>\n 100TB<\/td>\n<\/tr>\n
Samsung 860 EVO (3D TLC) \u2013 TBW<\/td>\n 1200TB<\/td>\n 600TB<\/td>\n 300TB<\/td>\n 150TB<\/td>\n<\/tr>\n
Samsung 860 PRO (3D MLC) \u2013 TBW<\/td>\n 2400TB<\/td>\n 1200TB<\/td>\n 600TB<\/td>\n 300TB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n
Nh\u1eefng con s\u1ed1 \u0111\u00f3 tr\u00f4ng r\u1ea5t l\u1edbn, v\u00e0 \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi, ch\u00fang th\u1ef1c s\u1ef1 l\u1edbn. \u1ed4 c\u1ee9ng SSD Samsung 970 EVO Plus 250GB c\u1ee7a t\u00f4i \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y t\u1eeb n\u0103m 2019. Sau s\u00e1u n\u0103m s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean, ph\u1ea7n m\u1ec1m Samsung Magician b\u00e1o c\u00e1o \u0111\u00e3 ghi \u0111\u01b0\u1ee3c 65,3 TB, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 43% so v\u1edbi m\u1ee9c 150 TB th\u00f4ng th\u01b0\u1eddng. V\u1edbi t\u1ed1c \u0111\u1ed9 n\u00e0y, b\u1ed9 nh\u1edb NAND s\u1ebd ch\u01b0a \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n \u0111\u1ed9 b\u1ec1n trong kho\u1ea3ng b\u1ea3y ho\u1eb7c t\u00e1m n\u0103m n\u1eefa, ngh\u0129a l\u00e0 \u1ed5 c\u1ee9ng s\u1ebd \u0111\u01b0\u1ee3c kho\u1ea3ng 14 n\u0103m tu\u1ed5i tr\u01b0\u1edbc khi hi\u1ec7n t\u01b0\u1ee3ng hao m\u00f2n b\u1ed9 nh\u1edb flash tr\u1edf th\u00e0nh m\u1ed1i lo ng\u1ea1i v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft. V\u00e0 c\u00e0i \u0111\u1eb7t d\u1ef1 ph\u00f2ng c\u1ee7a t\u00f4i l\u00e0 0%, c\u00f3 ngh\u0129a l\u00e0 \u1ed5 c\u1ee9ng th\u1eadm ch\u00ed kh\u00f4ng c\u00f3 th\u00eam kh\u1ed1i d\u1ef1 ph\u00f2ng n\u00e0o \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh ngo\u00e0i nh\u1eefng g\u00ec Samsung \u0111\u00e3 c\u00e0i \u0111\u1eb7t s\u1eb5n t\u1ea1i nh\u00e0 m\u00e1y. Ngay c\u1ea3 khi h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi kh\u00f4ng bao gi\u1edd thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t \u0111\u00f3, \u1ed5 c\u1ee9ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n
Ph\u1ea7n m\u1ec1m firmware SSD hi\u1ec7n \u0111\u1ea1i c\u0169ng gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd NAND v\u01b0\u1ee3t xa th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. C\u01a1 ch\u1ebf c\u00e2n b\u1eb1ng hao m\u00f2n (wear leveling) ph\u00e2n b\u1ed5 c\u00e1c thao t\u00e1c ghi \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ec3 kh\u00f4ng c\u00f3 v\u00f9ng n\u00e0o b\u1ecb ch\u00e1y s\u1edbm, TRIM v\u00e0 c\u01a1 ch\u1ebf thu gom r\u00e1c (garbage collection) gi\u1ea3m thi\u1ec3u s\u1ef1 khu\u1ebfch \u0111\u1ea1i ghi kh\u00f4ng c\u1ea7n thi\u1ebft, v\u00e0 c\u00e1c kh\u1ed1i d\u1ef1 ph\u00f2ng \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t qu\u00e1 m\u1ee9c s\u1ebd t\u1ef1 \u0111\u1ed9ng thay th\u1ebf c\u00e1c kh\u1ed1i b\u1ecb hao m\u00f2n trong n\u1ec1n. Nh\u1edd t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y, \u0111\u1ed9 b\u1ec1n th\u1ef1c t\u1ebf c\u1ee7a m\u1ed9t \u1ed5 TLC t\u1ed1t th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 TBW (T\u1ed5ng dung l\u01b0\u1ee3ng ghi) \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/p>\n
H\u1ec7 sinh th\u00e1i \u0111i\u1ec1u khi\u1ec3n ch\u00ednh l\u00e0 \u0111i\u1ec3m y\u1ebfu duy nh\u1ea5t d\u1ec5 x\u1ea3y ra l\u1ed7i.<\/h2>\n
Khi b\u1ed9 n\u00e3o c\u1ee7a \u1ed5 \u0111\u0129a b\u1ecb h\u1ecfng, b\u1ed9 nh\u1edb NAND c\u0169ng kh\u00f4ng c\u00f2n t\u00e1c d\u1ee5ng g\u00ec.<\/h3>\n
$\"\u1ed4$ <\/figure>\n<\/p>\n
B\u1ed9 \u0111i\u1ec1u khi\u1ec3n SSD l\u00e0 m\u1ed9t b\u1ed9 x\u1eed l\u00fd nh\u1ecf d\u1ef1a tr\u00ean ki\u1ebfn \u200b\u200btr\u00fac ARM ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho m\u1ecdi th\u1ee9: \u00e1nh x\u1ea1 \u0111\u1ecba ch\u1ec9 logic \u0111\u1ebfn c\u00e1c v\u1ecb tr\u00ed NAND v\u1eadt l\u00fd th\u00f4ng qua L\u1edbp D\u1ecbch Flash (FTL), ch\u1ea1y c\u00e1c thu\u1eadt to\u00e1n s\u1eeda l\u1ed7i, qu\u1ea3n l\u00fd vi\u1ec7c thu gom r\u00e1c v\u00e0 th\u1ef1c thi ph\u1ea7n m\u1ec1m. N\u1ebfu b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn n\u00e0o c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y b\u1ecb l\u1ed7i, \u1ed5 \u0111\u0129a s\u1ebd coi nh\u01b0 h\u1ecfng, ngay c\u1ea3 khi m\u1ecdi \u00f4 NAND v\u1eabn ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o.<\/p>\n
M\u1ed9t trong nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u1ea5t l\u00e0 h\u1ecfng b\u1ea3ng \u00e1nh x\u1ea1 \u0111\u1ecba ch\u1ec9 (FTL) do m\u1ea5t \u0111i\u1ec7n. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u01b0u tr\u1eef b\u1ea3ng \u00e1nh x\u1ea1 \u0111\u1ecba ch\u1ec9 trong b\u1ed9 nh\u1edb kh\u1ea3 bi\u1ebfn (SRAM ho\u1eb7c DRAM) v\u00e0 \u0111\u1ecbnh k\u1ef3 ghi ch\u00fang v\u00e0o NAND. C\u00e1c \u1ed5 SSD d\u00e0nh cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng th\u01b0\u1eddng thi\u1ebfu c\u00e1c t\u1ee5 b\u1ea3o v\u1ec7 m\u1ea5t \u0111i\u1ec7n nh\u01b0 trong c\u00e1c \u1ed5 \u0111\u0129a d\u00e0nh cho doanh nghi\u1ec7p. N\u1ebfu m\u1ea5t \u0111i\u1ec7n trong khi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111ang c\u1eadp nh\u1eadt, b\u1ea3ng \u00e1nh x\u1ea1 tr\u00ean NAND c\u00f3 th\u1ec3 r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i kh\u00f4ng nh\u1ea5t qu\u00e1n. Khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 c\u00f3 th\u1ec3 r\u01a1i v\u00e0o v\u00f2ng l\u1eb7p kh\u00f4i ph\u1ee5c firmware, trong \u0111\u00f3 \u1ed5 \u0111\u0129a ho\u1eb7c bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n kh\u1ecfi BIOS ho\u1eb7c hi\u1ec3n th\u1ecb v\u1edbi dung l\u01b0\u1ee3ng kh\u00f4ng h\u1ee3p l\u00fd nh\u01b0 2 MB thay v\u00ec 1 TB. M\u1eb7c d\u00f9 NAND v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, nh\u01b0ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n
L\u1ed7i ph\u1ea7n m\u1ec1m nh\u00fang (firmware) c\u00f3 th\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng t\u01b0\u01a1ng t\u1ef1 m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 c\u1ed1 v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n. M\u1ed9t b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m nh\u00fang l\u1ed7i ho\u1eb7c m\u1ed9t l\u1ed7i ti\u1ec1m \u1ea9n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng v\u00f9ng h\u1ec7 th\u1ed1ng, m\u1ed9t ph\u00e2n v\u00f9ng \u1ea9n n\u01a1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u01b0u tr\u1eef m\u00e3 vi ch\u01b0\u01a1ng tr\u00ecnh, b\u1ea3ng d\u1ecbch v\u00e0 d\u1eef li\u1ec7u SMART. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c kh\u1ed1i d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng, c\u00e1c ph\u1ea7n c\u1ee7a v\u00f9ng h\u1ec7 th\u1ed1ng n\u00e0y n\u1eb1m \u1edf c\u00e1c v\u1ecb tr\u00ed v\u1eadt l\u00fd c\u1ed1 \u0111\u1ecbnh v\u1edbi kh\u1ea3 n\u0103ng c\u00e2n b\u1eb1ng hao m\u00f2n h\u1ea1n ch\u1ebf, v\u00ec b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea7n truy c\u1eadp x\u00e1c \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng. C\u00e1c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c v\u1edbi nhi\u1ec1u thao t\u00e1c ghi ng\u1eabu nhi\u00ean nh\u1ecf s\u1ebd t\u00e1c \u0111\u1ed9ng m\u1ea1nh \u0111\u1ebfn c\u00e1c v\u00f9ng si\u00eau d\u1eef li\u1ec7u n\u00e0y m\u1ed9t c\u00e1ch kh\u00f4ng c\u00e2n x\u1ee9ng, v\u00e0 v\u00f9ng h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 b\u1ecb hao m\u00f2n r\u1ea5t l\u00e2u tr\u01b0\u1edbc khi c\u00e1c ch\u1ec9 b\u00e1o s\u1ee9c kh\u1ecfe SMART cho th\u1ea5y b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o.<\/p>\n<\/p>\n
$\"crystaldiskmark$ <\/figure>\n
Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c nguy\u00ean nh\u00e2n \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng. C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n Gen4 v\u00e0 Gen5 hi\u1ec7n \u0111\u1ea1i ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao, dao \u0111\u1ed9ng gi\u1eefa 35\u00b0C \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd v\u00e0 85\u00b0C ho\u1eb7c cao h\u01a1n khi ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea3i li\u00ean t\u1ee5c. Chu k\u1ef3 nhi\u1ec7t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i n\u00e0y g\u00e2y \u00e1p l\u1ef1c l\u00ean c\u00e1c m\u1ed1i h\u00e0n BGA b\u00ean d\u01b0\u1edbi chip \u0111i\u1ec1u khi\u1ec3n, v\u00ec silicon, ch\u1ea5t n\u1ec1n v\u00e0 PCB \u0111\u1ec1u gi\u00e3n n\u1edf v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau. Theo th\u1eddi gian, c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf ph\u00e1t tri\u1ec3n, d\u1eabn \u0111\u1ebfn ti\u1ebfp x\u00fac kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c h\u1ecfng h\u00f3c v\u0129nh vi\u1ec5n. Th\u00eam v\u00e0o \u0111\u00f3, c\u00e1c n\u00fat x\u1eed l\u00fd c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf (12 nm, 7 nm) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 cao \u0111\u1ea9y m\u1eadt \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n \u0111\u1ee7 cao \u0111\u1ec3 hi\u1ec7n t\u01b0\u1ee3ng d\u1ecbch chuy\u1ec3n \u0111i\u1ec7n t\u1eed, trong \u0111\u00f3 c\u00e1c nguy\u00ean t\u1eed kim lo\u1ea1i trong c\u00e1c k\u1ebft n\u1ed1i nh\u1ecf di chuy\u1ec3n ch\u1eadm, c\u00f3 th\u1ec3 l\u00e0m m\u1ecfng c\u00e1c d\u00e2y d\u1eabn cho \u0111\u1ebfn khi ch\u00fang b\u1ecb h\u1ecfng. \u0110\u00e2y l\u00e0 c\u00e1c c\u01a1 ch\u1ebf hao m\u00f2n c\u1ee7a ch\u00ednh silicon trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp v\u1edbi t\u00ecnh tr\u1ea1ng c\u1ee7a NAND.<\/p>\n
Khi nh\u1eefng l\u1ed7i n\u00e0y x\u1ea3y ra, ph\u1ea7n m\u1ec1m ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng tr\u1edf n\u00ean v\u00f4 d\u1ee5ng v\u00e0 vi\u1ec7c ph\u1ee5c h\u1ed3i chuy\u00ean nghi\u1ec7p \u0111\u00f2i h\u1ecfi ph\u1ea3i v\u00e0o ch\u1ebf \u0111\u1ed9 truy c\u1eadp nh\u00e0 m\u00e1y c\u1ee7a \u1ed5 \u0111\u0129a \u0111\u1ec3 x\u00e2y d\u1ef1ng l\u1ea1i b\u1ea3ng d\u1ecbch \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng. V\u00e0 nhi\u1ec1u th\u01b0\u01a1ng hi\u1ec7u SSD gi\u00e1 r\u1ebb th\u1eadm ch\u00ed kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111i\u1ec1u \u0111\u00f3, v\u00ec v\u1eady h\u1ecd th\u01b0\u1eddng ph\u1ea3i thay th\u1ebf \u1ed5 \u0111\u0129a.<\/p>\n
Nh\u1eefng vi\u1ec7c b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd SSD<\/h2>\n
Vi\u1ec7c b\u1ea3o v\u1ec7 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n quan tr\u1ecdng h\u01a1n vi\u1ec7c ti\u1ebft ki\u1ec7m s\u1ed1 l\u1ea7n ghi.<\/h3>\n
$\"M\u1ed9t$ <\/figure>\n<\/p>\n
V\u00ec b\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u01b0\u1eddng l\u00e0 b\u1ed9 ph\u1eadn h\u1ecfng \u0111\u1ea7u ti\u00ean, n\u00ean c\u00e1c bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p gi\u00fap n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. T\u1ea3n nhi\u1ec7t ho\u1eb7c lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1t trong th\u00f9ng m\u00e1y h\u01b0\u1edbng v\u00e0o SSD s\u1ebd gi\u00fap \u00edch r\u1ea5t nhi\u1ec1u. B\u1ea1n kh\u00f4ng c\u1ea7n l\u00e0m m\u00e1t chip NAND, v\u00ec b\u1ed9 nh\u1edb flash th\u1ef1c t\u1ebf ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n khi h\u01a1i \u1ea5m. M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m chu k\u1ef3 nhi\u1ec7t tr\u00ean b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, t\u1eeb \u0111\u00f3 h\u1ea1n ch\u1ebf s\u1ef1 m\u1ecfi m\u1ed1i h\u00e0n v\u00e0 gi\u1eef cho chi ph\u00ed s\u1eeda l\u1ed7i \u1edf m\u1ee9c h\u1ee3p l\u00fd.<\/p>\n
\u0110\u0103ng k\u00fd nh\u1eadn b\u1ea3n tin c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn c\u00e1c m\u1eb9o sinh t\u1ed3n khi d\u00f9ng SSD.<\/h3>\n
B\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam h\u01b0\u1edbng d\u1eabn th\u1ef1c t\u1ebf v\u1ec1 ph\u1ea7n c\u1ee9ng? H\u00e3y \u0111\u0103ng k\u00fd nh\u1eadn b\u1ea3n tin \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng, danh s\u00e1ch ki\u1ec3m tra kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 l\u1eddi khuy\u00ean h\u1eefu \u00edch v\u1ec1 c\u00e1ch b\u1ea3o d\u01b0\u1ee1ng SSD, \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ed9 nh\u1edb v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c sao l\u01b0u.<\/p>\n
\n
Nh\u1eadn th\u00f4ng tin c\u1eadp nh\u1eadtB\u1eb1ng c\u00e1ch \u0111\u0103ng k\u00fd, b\u1ea1n \u0111\u1ed3ng \u00fd nh\u1eadn b\u1ea3n tin v\u00e0 email ti\u1ebfp th\u1ecb, \u0111\u1ed3ng th\u1eddi ch\u1ea5p nh\u1eadn <\/p>\n
\u0110i\u1ec1u kho\u1ea3n s\u1eed d\u1ee5ng<\/a> v\u00e0 <\/p>\n
Ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt<\/a> c\u1ee7a ch\u00fang t\u00f4i . B\u1ea1n c\u00f3 th\u1ec3 h\u1ee7y \u0111\u0103ng k\u00fd b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n
S\u1eed d\u1ee5ng b\u1ed9 l\u01b0u \u0111i\u1ec7n UPS ho\u1eb7c \u00edt nh\u1ea5t l\u00e0 b\u1ed9 ch\u1ed1ng s\u00e9t lan truy\u1ec1n s\u1ebd b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n l\u00e0m h\u1ecfng FTL. Thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u1eaft ti\u1ec1n, v\u00ec ngay c\u1ea3 m\u1ed9t thi\u1ebft b\u1ecb c\u01a1 b\u1ea3n c\u0169ng c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c s\u1ef1 c\u1ed1 t\u1eaft m\u00e1y \u0111\u1ed9t ng\u1ed9t khi\u1ebfn b\u1ea3ng \u00e1nh x\u1ea1 b\u1ecb ghi d\u1edf dang.<\/p>\n
\u0110\u1ec3 l\u1ea1i m\u1ed9t \u00edt dung l\u01b0\u1ee3ng tr\u1ed1ng tr\u00ean SSD c\u0169ng r\u1ea5t h\u1eefu \u00edch . Khi \u1ed5 \u0111\u0129a kh\u00f4ng b\u1ecb l\u1ea5p \u0111\u1ea7y, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ebd c\u00f3 nhi\u1ec1u kh\u00f4ng gian h\u01a1n \u0111\u1ec3 qu\u1ea3n l\u00fd vi\u1ec7c thu gom r\u00e1c hi\u1ec7u qu\u1ea3, gi\u00fap gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng khu\u1ebfch \u0111\u1ea1i ghi n\u1ed9i b\u1ed9 v\u00e0 gi\u1ea3m t\u1ea3i cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. Ngo\u00e0i ra, c\u00f2n m\u1ed9t v\u00e0i th\u1ee7 thu\u1eadt th\u1ef1c t\u1ebf kh\u00e1c \u0111\u1ec3 ng\u0103n SSD c\u1ee7a b\u1ea1n b\u1ecb h\u1ecfng s\u1edbm m\u00e0 b\u1ea1n n\u00ean t\u00ecm hi\u1ec3u n\u1ebfu mu\u1ed1n th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch tri\u1ec7t \u0111\u1ec3.<\/p>\n
\u1ed4 c\u1ee9ng SSD c\u1ee7a b\u1ea1n s\u1ebd b\u1ec1n h\u01a1n c\u1ea3 nh\u1eefng lo l\u1eafng c\u1ee7a b\u1ea1n v\u1ec1 n\u00f3.<\/h3>\n
\u1ed4 SSD v\u1eabn nhanh h\u01a1n, \u0111\u00e1ng tin c\u1eady h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng v\u00e0 b\u1ec1n b\u1ec9 h\u01a1n tr\u01b0\u1edbc c\u00e1c va \u0111\u1eadp v\u1eadt l\u00fd so v\u1edbi b\u1ea5t k\u1ef3 \u1ed5 c\u1ee9ng n\u00e0o. V\u1ea5n \u0111\u1ec1 l\u00e0 c\u00e1c l\u1ed7i m\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng lo l\u1eafng, bao g\u1ed3m c\u1ea3 vi\u1ec7c ghi qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u, hi\u1ebfm khi l\u00e0 nguy\u00ean nh\u00e2n th\u1ef1c s\u1ef1 l\u00e0m h\u1ecfng m\u1ed9t \u1ed5 SSD d\u00e0nh cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng. L\u1ed7i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, l\u1ed7i ph\u1ea7n m\u1ec1m, s\u1ef1 c\u1ed1 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 qu\u00e1 t\u1ea3i nhi\u1ec7t m\u1edbi l\u00e0 nh\u1eefng m\u1ed1i \u0111e d\u1ecda th\u1ef1c s\u1ef1, v\u00e0 h\u1ea7u h\u1ebft ch\u00fang \u0111\u1ec1u c\u00f3 th\u1ec3 ph\u00f2ng ng\u1eeba \u0111\u01b0\u1ee3c b\u1eb1ng nh\u1eefng th\u00f3i quen c\u01a1 b\u1ea3n.<\/p>\n<\/p>\n
N\u1ebfu b\u1ea1n mu\u1ed1n gi\u1eef an to\u00e0n tuy\u1ec7t \u0111\u1ed1i cho d\u1eef li\u1ec7u quan tr\u1ecdng trong th\u1eddi gian d\u00e0i, vi\u1ec7c k\u1ebft h\u1ee3p \u1ed5 SSD v\u1edbi \u1ed5 HDD \u0111\u1ec3 sao l\u01b0u v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh nh\u1ea5t. \u1ed4 SSD r\u1ea5t t\u1ed1t, nh\u01b0ng \u1ed5 HDD v\u1eabn c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m r\u00f5 r\u1ec7t v\u1ec1 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef l\u00e2u d\u00e0i v\u00e0 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef tr\u00ean m\u1ed7i \u0111\u00f4 la. H\u00e3y s\u1eed d\u1ee5ng \u1ed5 SSD cho \u0111i\u1ec3m m\u1ea1nh nh\u1ea5t c\u1ee7a n\u00f3 \u2013 t\u1ed1c \u0111\u1ed9 \u2013 v\u00e0 \u0111\u1ec3 c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p x\u1eed l\u00fd ph\u1ea7n c\u00f2n l\u1ea1i.<\/p>\n<\/p>\n
<\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"
Th\u00f4ng s\u1ed1 Terabyte ghi (TBW) tr\u00ean \u1ed5 SSD c\u1ee7a b\u1ea1n nghe c\u00f3 v\u1ebb nh\u01b0 m\u1ed9t b\u1ed9 \u0111\u1ebfm ng\u01b0\u1ee3c \u0111\u1ebfn khi d\u1eef li\u1ec7u b\u1ecb m\u1ea5t. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00e1ch h\u1eefu \u00edch \u0111\u1ec3 \u01b0\u1edbc t\u00ednh \u1ed5 SSD c\u1ee7a b\u1ea1n s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c bao l\u00e2u tr\u01b0\u1edbc khi b\u1ecb hao m\u00f2n, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ea5u ch\u1ea5m […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_override_bookmark_settings":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-139","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/posts\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/comments?post=139"}],"version-history":[{"count":2,"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/posts\/139\/revisions"}],"predecessor-version":[{"id":265,"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/posts\/139\/revisions\/265"}],"wp:attachment":[{"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/media?parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/categories?post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rnd.vnxt.com\/index.php\/wp-json\/wp\/v2\/tags?post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}