{"id":261,"date":"2026-06-22T12:47:32","date_gmt":"2026-06-22T05:47:32","guid":{"rendered":"https:\/\/cuudulieu24h.com\/case-study\/?post_type=case_study&p=261"},"modified":"2026-10-12T09:57:33","modified_gmt":"2026-10-12T02:57:33","slug":"cuu-du-lieu-seagate-barracuda-5tb-st5000lm000-chet-co-va-bad-sector","status":"publish","type":"case_study","link":"https:\/\/cuudulieu24h.com\/case-study\/cuu-du-lieu-seagate-barracuda-5tb-st5000lm000-chet-co-va-bad-sector\/","title":{"rendered":"2 \u1ed4 C\u1ee9ng Seagate BarraCuda 5TB ST5000LM000 \u2013 M\u1ed9t Ch\u1ebft C\u01a1, M\u1ed9t Bad Sector V\u00e0ng \u2013 K\u1ebft Qu\u1ea3 Ph\u1ee5c H\u1ed3i B\u1eb1ng PC-3000"},"content":{"rendered":"

Hai \u1ed5 Seagate BarraCuda 5TB n\u1eb1m tr\u00ean b\u00e0n k\u1ef9 thu\u1eadt c\u00f9ng m\u1ed9t tu\u1ea7n \u2014 m\u1ed9t \u1ed5 \u0111\u00e3 c\u00e2m l\u1eb7ng v\u00ec \u0111\u1ea7u \u0111\u1ecdc suy tho\u00e1i, m\u1ed9t \u1ed5 v\u1eabn quay nh\u01b0ng r\u1ea3i \u0111\u1ea7y bad sector “v\u00e0ng”. Kh\u00e1c b\u1ec7nh, nh\u01b0ng chung m\u1ed9t n\u1ed7i lo c\u1ee7a ch\u1ee7 nh\u00e2n: b\u00ean trong l\u00e0 th\u1ee9 kh\u00f4ng c\u00f3 b\u1ea3n th\u1ee9 hai.<\/p>\n

\u1ed4 th\u1ee9 nh\u1ea5t ch\u1ee9a phim, video v\u00e0 backup nhi\u1ec1u n\u0103m; \u1ed5 th\u1ee9 hai l\u00e0 tr\u1ecdn b\u1ed9 kh\u00f3a h\u1ecdc thi\u1ebft k\u1ebf \u0111\u1ed3 h\u1ecda. \u0110\u00e2y l\u00e0 nh\u1eadt k\u00fd x\u1eed l\u00fd song song hai ca tr\u00ean PC-3000 \u2014 ch\u1ea9n \u0111o\u00e1n kh\u00e1c nhau ra sao, c\u1ee9u \u0111\u01b0\u1ee3c t\u1edbi \u0111\u00e2u, v\u00e0 \u0111i\u1ec1u b\u1ea1n c\u1ea7n l\u00e0m ngay khi \u1ed5 b\u1eaft \u0111\u1ea7u “\u0111\u1ecdc ch\u1eadm, treo, c\u00f3 ti\u1ebfng l\u1ea1”.<\/p>\n

\n
\n
2 \u1ed5<\/div>\n
Seagate 5TB ca k\u00e9p<\/div>\n<\/div>\n
\n
99.6%<\/div>\n
\u1ed4 1 \u0111\u1ecdc th\u00e0nh c\u00f4ng<\/div>\n<\/div>\n
\n
5TB<\/div>\n
ST5000LM000<\/div>\n<\/div>\n
\n
PC-3000<\/div>\n
Thi\u1ebft b\u1ecb ph\u1ee5c h\u1ed3i<\/div>\n<\/div>\n<\/div>\n

T\u00f3m T\u1eaft Nhanh<\/h2>\n
\n
\n
\n
H\u00e3ng \/ Model<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> Seagate BarraCuda 5TB ST5000LM000<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> Seagate BarraCuda 5TB ST5000LM000<\/div>\n<\/div>\n
\n
Serial Number<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> WCJ0MG1J<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> WCJ9KRYY<\/div>\n<\/div>\n
\n
Part Number<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 2AN170-566<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 2AN170-566<\/div>\n<\/div>\n
\n
Firmware<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 0001<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 0001<\/div>\n<\/div>\n
\n
Dung l\u01b0\u1ee3ng<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 4,657.53 GB (9,767,541,168 sectors)<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 4,657.53 GB (9,767,541,168 sectors)<\/div>\n<\/div>\n
\n
DOM<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 04\/02\/2018 \u2014 ~7.5 n\u0103m s\u1eed d\u1ee5ng<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 23\/01\/2024 \u2014 ~2.5 n\u0103m s\u1eed d\u1ee5ng<\/div>\n<\/div>\n
\n
File system<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> NTFS<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> exFAT<\/div>\n<\/div>\n
\n
Lo\u1ea1i l\u1ed7i<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> Ch\u1ebft c\u01a1 \u2013 \u0111\u1ea7u \u0111\u1ecdc suy tho\u00e1i, ph\u00f2ng s\u1ea1ch thay HSA<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> Bad sector v\u00e0ng di\u1ec7n r\u1ed9ng<\/div>\n<\/div>\n
\n
Thi\u1ebft b\u1ecb x\u1eed l\u00fd<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> PC-3000 Portable-III<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> PC-3000 UDMA-E<\/div>\n<\/div>\n
\n
D\u1eef li\u1ec7u c\u1ea7n ph\u1ee5c h\u1ed3i<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> Phim, video, backup (NTFS)<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> Kh\u00f3a h\u1ecdc thi\u1ebft k\u1ebf \u0111\u1ed3 h\u1ecda (exFAT)<\/div>\n<\/div>\n
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Sector \u0111\u1ecdc th\u00e0nh c\u00f4ng<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 9,726,437,783 (~99.6%)<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 6,963,440,344 (~71.3%) \u0111ang ti\u1ebfp t\u1ee5c<\/div>\n<\/div>\n
\n
Sector kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 41,038,904 (~0.4%)<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 2,804,099,503 (~28.7%)<\/div>\n<\/div>\n
\n
Map PC-3000<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> G\u1ea7n to\u00e0n xanh, v\u00e0i ch\u1ea5m nh\u1ecf<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> Xanh ~60% + v\u00e0ng di\u1ec7n r\u1ed9ng + \u0111en r\u1ea3i r\u00e1c<\/div>\n<\/div>\n
\n
Data Extractor<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> 17 objects, 241.04 MB<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> 84 objects, 41.29 MB<\/div>\n<\/div>\n
\n
T\u1ef7 l\u1ec7 ph\u1ee5c h\u1ed3i<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> Cao \u2014 sector l\u1ed7i r\u1ea5t \u00edt<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> \u0110ang x\u1eed l\u00fd \u2014 ph\u1ee5 thu\u1ed9c v\u1ecb tr\u00ed bad sector<\/div>\n<\/div>\n
\n
M\u1ee9c \u0111\u1ed9 x\u00e1c minh<\/strong><\/div>\n
\u1ed4 1 \u2013 WCJ0MG1J:<\/span> Cao \u2014 \u1ea3nh nh\u00e3n, PCB, log PC-3000<\/div>\n
\u1ed4 2 \u2013 WCJ9KRYY:<\/span> Cao \u2014 \u1ea3nh nh\u00e3n, log PC-3000<\/div>\n<\/div>\n<\/div>\n<\/div>\n

T\u1ea1i Sao Gh\u00e9p 2 Ca N\u00e0y?<\/h2>\n

Hai \u1ed5 c\u1ee9ng Seagate BarraCuda 5TB ST5000LM000 c\u00f9ng model, c\u00f9ng firmware, c\u00f9ng part number \u2014 nh\u01b0ng \u0111\u1ebfn v\u1edbi C\u1ee9u D\u1eef Li\u1ec7u 24H v\u00ec hai l\u00fd do ho\u00e0n to\u00e0n kh\u00e1c nhau, cho th\u1ea5y c\u00f9ng m\u1ed9t d\u00f2ng \u1ed5 c\u1ee9ng c\u00f3 th\u1ec3 h\u1ecfng theo nhi\u1ec1u c\u00e1ch, v\u00e0 m\u1ed7i c\u00e1ch \u0111\u00f2i h\u1ecfi quy tr\u00ecnh x\u1eed l\u00fd kh\u00e1c nhau.<\/p>\n

Gh\u00e9p hai ca trong m\u1ed9t b\u00e0i gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 IT admin v\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111ang g\u1eb7p l\u1ed7i t\u01b0\u01a1ng t\u1ef1 \u2014 hi\u1ec3u \u0111\u01b0\u1ee3c: c\u00f9ng tri\u1ec7u ch\u1ee9ng b\u1ec1 ngo\u00e0i “\u1ed5 kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c”, nh\u01b0ng nguy\u00ean nh\u00e2n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n kh\u00e1c nhau. Nh\u00ecn v\u00e0o map PC-3000 l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 ph\u00e2n bi\u1ec7t.<\/p>\n

B\u1ed1i C\u1ea3nh T\u1eebng Ca<\/h2>\n

Ca 1 \u2013 WCJ0MG1J: \u1ed4 Ch\u1ebft C\u01a1 Sau 2\u20133 N\u0103m \u0110\u1ecdc Ghi Li\u00ean T\u1ee5c \u2013 C\u1ea7n C\u00f3 Ph\u01b0\u01a1ng \u00c1n Backup Th\u00f4ng Minh<\/h3>\n

\"Seagate<\/p>\n

\u1ed4 Seagate BarraCuda 5TB s\u1ea3n xu\u1ea5t th\u00e1ng 02\/2018, \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng kho\u1ea3ng 7.5 n\u0103m t\u00ednh \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m ti\u1ebfp nh\u1eadn. Tuy nhi\u00ean, tu\u1ed5i l\u1ecbch kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang m\u1ee9c \u0111\u1ed9 m\u00e0i m\u00f2n th\u1ef1c t\u1ebf<\/strong> \u2014 \u0111i\u1ec1u quan tr\u1ecdng h\u01a1n l\u00e0 t\u1ea7n su\u1ea5t v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ecdc ghi li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. \u1ed4 c\u1ee9ng HDD d\u00f9ng \u0111\u1ec3 \u0111\u1ecdc v\u00e0 ghi li\u00ean t\u1ee5c (l\u01b0u phim, video, backup th\u01b0\u1eddng xuy\u00ean) c\u00f3 th\u1ec3 \u0111\u1ea1t ng\u01b0\u1ee1ng suy tho\u00e1i \u0111\u1ea7u \u0111\u1ecdc ch\u1ec9 sau 2\u20133 n\u0103m s\u1eed d\u1ee5ng n\u1eb7ng<\/strong> \u2014 kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i d\u00f9ng l\u00e2u nh\u01b0 tr\u01b0\u1eddng h\u1ee3p n\u00e0y.<\/p>\n

\u1ed4 ch\u1ee9a t\u1eadp h\u1ee3p phim, video v\u00e0 backup t\u00edch l\u0169y tr\u00ean ph\u00e2n v\u00f9ng NTFS. Khi ti\u1ebfp nh\u1eadn, \u1ed5 ph\u00e1t ti\u1ebfng k\u00eau c\u01a1 h\u1ecdc b\u1ea5t th\u01b0\u1eddng ngay khi c\u1ea5p \u0111i\u1ec7n \u2014 d\u1ea5u hi\u1ec7u \u0111\u1eb7c tr\u01b0ng c\u1ee7a \u0111\u1ea7u \u0111\u1ecdc b\u00ean trong \u0111\u00e3 suy tho\u00e1i \u0111\u1ebfn m\u1ee9c kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c. Sau th\u1eddi gian d\u00e0i \u0111\u1ecdc ghi li\u00ean t\u1ee5c, c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 h\u1ecdc c\u1ee7a c\u1ee5m \u0111\u1ea7u \u0111\u1ecdc (head assembly) m\u00f2n d\u1ea7n \u0111\u1ebfn m\u1ee9c kh\u00f4ng c\u00f2n duy tr\u00ec \u0111\u01b0\u1ee3c kho\u1ea3ng bay chu\u1ea9n tr\u00ean b\u1ec1 m\u1eb7t \u0111\u0129a \u2014 \u0111\u1ea7u \u0111\u1ecdc ch\u1ea1m v\u00e0o platter, ph\u00e1t ti\u1ebfng k\u00eau v\u00e0 kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u.<\/p>\n

\u0110i\u1ec3m then ch\u1ed1t: d\u00f9 \u0111\u1ea7u \u0111\u1ecdc \u0111\u00e3 h\u1ecfng ho\u00e0n to\u00e0n, b\u1ec1 m\u1eb7t \u0111\u0129a (platter) v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n<\/strong> \u2014 d\u1eef li\u1ec7u v\u1eadt l\u00fd v\u1eabn c\u00f2n l\u01b0u tr\u00ean \u0111\u0129a t\u1eeb. V\u1edbi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng v\u00e0 quy tr\u00ecnh \u0111\u00fang, v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb platter.<\/p>\n

Ca 2 \u2013 WCJ9KRYY: \u1ed4 2.5 N\u0103m, Bad Sector V\u00e0ng Di\u1ec7n R\u1ed9ng<\/h3>\n

\"Nh\u00e3n<\/p>\n

\u1ed4 Seagate BarraCuda 5TB s\u1ea3n xu\u1ea5t th\u00e1ng 01\/2024, m\u1edbi h\u01a1n \u0111\u00e1ng k\u1ec3 \u2014 ch\u1ec9 kho\u1ea3ng 2.5 n\u0103m s\u1eed d\u1ee5ng. \u0110\u00e2y l\u00e0 \u1ed5 OEM (nh\u00e3n ghi “HDD sold as component of OEM solution”), ch\u1ee9a to\u00e0n b\u1ed9 t\u00e0i li\u1ec7u kh\u00f3a h\u1ecdc thi\u1ebft k\u1ebf \u0111\u1ed3 h\u1ecda \u2014 84 th\u01b0 m\u1ee5c v\u1edbi c\u00e1c kh\u00f3a Photoshop, Illustrator, InDesign, AI, CINEMA 4D, Figma, Maya, v\u00e0 nhi\u1ec1u b\u1ed9 s\u01b0u t\u1eadp h\u1ecdc li\u1ec7u kh\u00e1c tr\u00ean ph\u00e2n v\u00f9ng exFAT.<\/p>\n

\u1ed4 n\u00e0y kh\u00f4ng ch\u1ebft c\u01a1 \u2014 v\u1eabn nh\u1eadn v\u00e0 ph\u1ea3n h\u1ed3i \u0111\u01b0\u1ee3c \u2014 nh\u01b0ng t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc r\u1ea5t ch\u1eadm v\u00e0 kh\u00f4ng truy xu\u1ea5t \u0111\u01b0\u1ee3c nhi\u1ec1u file. Task Statistics PC-3000 x\u00e1c nh\u1eadn: bad sector v\u1eadt l\u00fd ph\u00e2n t\u00e1n di\u1ec7n r\u1ed9ng, chi\u1ebfm \u0111\u1ebfn ~29% t\u1ed5ng dung l\u01b0\u1ee3ng \u1ed5.<\/p>\n

R\u1ee7i Ro N\u1ebfu X\u1eed L\u00fd Sai<\/h2>\n

Chung cho c\u1ea3 2 ca<\/h3>\n

D\u00f9ng ph\u1ea7n m\u1ec1m ph\u1ed5 th\u00f4ng (EaseUS, Recuva) tr\u1ef1c ti\u1ebfp tr\u00ean \u1ed5 l\u1ed7i:<\/strong> Ph\u1ea7n m\u1ec1m ph\u1ed5 th\u00f4ng t\u1ea1o t\u1ea3i \u0111\u1ecdc li\u00ean t\u1ee5c, kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf x\u1eed l\u00fd bad sector ho\u1eb7c firmware l\u1ed7i. V\u1edbi \u1ed5 ch\u1ebft c\u01a1, ph\u1ea7n m\u1ec1m kh\u00f4ng ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c. V\u1edbi \u1ed5 bad sector, m\u1ed7i l\u1ea7n th\u1eed \u0111\u1ecdc sector l\u1ed7i k\u00e9o d\u00e0i th\u00eam th\u1eddi gian \u0111\u1ea7u \u0111\u1ecdc ti\u1ebfp x\u00fac v\u1edbi v\u00f9ng h\u1ecfng \u2014 l\u00e0m bad sector lan r\u1ed9ng h\u01a1n.<\/p>\n

C\u1eafm l\u1ea1i nhi\u1ec1u l\u1ea7n \u0111\u1ec3 th\u1eed nh\u1eadn:<\/strong> V\u1edbi \u1ed5 ch\u1ebft c\u01a1, m\u1ed7i l\u1ea7n c\u1ea5p ngu\u1ed3n l\u00e0 m\u1ed9t l\u1ea7n \u0111\u1ea7u \u0111\u1ecdc h\u1ecfng ti\u1ebfp x\u00fac v\u1edbi platter \u2014 t\u0103ng nguy c\u01a1 x\u01b0\u1edbc m\u1eb7t \u0111\u0129a v\u0129nh vi\u1ec5n. V\u1edbi \u1ed5 bad sector, th\u00eam thao t\u00e1c \u0111\u1ecdc = th\u00eam nguy c\u01a1 bad sector lan r\u1ed9ng.<\/p>\n

Ri\u00eang Ca 1 \u2013 nguy c\u01a1 khi x\u1eed l\u00fd \u1ed5 ch\u1ebft c\u01a1 sai c\u00e1ch<\/h3>\n

C\u1eafm \u0111i\u1ec7n l\u1ea1i nhi\u1ec1u l\u1ea7n sau khi nghe ti\u1ebfng k\u00eau:<\/strong> M\u1ed7i l\u1ea7n c\u1ea5p ngu\u1ed3n, \u0111\u1ea7u \u0111\u1ecdc \u0111ang h\u1ecfng s\u1ebd ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t platter trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng. N\u1ebfu \u0111\u1ea7u \u0111\u1ecdc c\u00e0o v\u00e0o platter, v\u1ebft x\u01b0\u1edbc v\u1eadt l\u00fd t\u1ea1o ra l\u00e0m m\u1ea5t d\u1eef li\u1ec7u t\u1ea1i v\u00f9ng \u0111\u00f3 v\u0129nh vi\u1ec5n \u2014 kh\u00f4ng thi\u1ebft b\u1ecb n\u00e0o \u0111\u1ecdc \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u tr\u00ean b\u1ec1 m\u1eb7t \u0111\u00e3 b\u1ecb x\u01b0\u1edbc. M\u1ed9t l\u1ea7n x\u01b0\u1edbc m\u1eb7t \u0111\u0129a c\u00f3 th\u1ec3 m\u1ea5t h\u00e0ng ch\u1ee5c GB ch\u1ec9 trong v\u00e0i gi\u00e2y.<\/p>\n

T\u1ef1 th\u00e1o \u1ed5 ngo\u00e0i ph\u00f2ng s\u1ea1ch:<\/strong> B\u00ean trong HDD l\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m \u2014 m\u1ed9t h\u1ea1t b\u1ee5i r\u01a1i v\u00e0o trong khi m\u1edf \u1ed5 c\u00f3 th\u1ec3 g\u00e2y x\u01b0\u1edbc to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t platter khi \u1ed5 quay tr\u1edf l\u1ea1i. Ph\u00f2ng s\u1ea1ch ki\u1ec3m so\u00e1t b\u1ee5i, \u0111\u1ed9 \u1ea9m v\u00e0 t\u0129nh \u0111i\u1ec7n l\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1eaft bu\u1ed9c khi c\u1ea7n m\u1edf \u1ed5 \u0111\u1ec3 thay \u0111\u1ea7u \u0111\u1ecdc.<\/p>\n

Thay \u0111\u1ea7u \u0111\u1ecdc t\u1eeb donor sai model ho\u1eb7c revision:<\/strong> Head Stack Assembly c\u1ee7a ST5000LM000 c\u00f3 nhi\u1ec1u revision kh\u00e1c nhau. L\u1eafp \u0111\u1ea7u \u0111\u1ecdc kh\u00f4ng kh\u1edbp ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ea7u \u0111\u1ecdc m\u1edbi kh\u00f4ng hi\u1ec7u ch\u1ec9nh \u0111\u00fang v\u1edbi b\u1ec1 m\u1eb7t platter c\u1ee7a \u1ed5 l\u1ed7i \u2014 d\u1eabn \u0111\u1ebfn \u0111\u1ecdc sai d\u1eef li\u1ec7u ho\u1eb7c c\u00e0o x\u01b0\u1edbc th\u00eam.<\/p>\n

Ri\u00eang Ca 2 \u2013 nguy c\u01a1 bad sector lan r\u1ed9ng<\/h3>\n

\u0110\u1ec3 h\u1ec7 th\u1ed1ng ch\u1ea1y b\u00ecnh th\u01b0\u1eddng tr\u00ean \u1ed5 bad sector:<\/strong> Khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ed1 \u0111\u1ecdc sector l\u1ed7i, n\u00f3 s\u1ebd retry nhi\u1ec1u l\u1ea7n, g\u00e2y t\u1ea3i c\u01a1 h\u1ecdc l\u00ean \u0111\u1ea7u \u0111\u1ecdc t\u1ea1i \u0111\u00fang v\u00f9ng h\u1ecfng. \u0110i\u1ec1u n\u00e0y l\u00e0m bad sector c\u00f3 th\u1ec3 lan sang sector k\u1ec1 \u2014 \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m v\u1edbi bad sector v\u1eadt l\u00fd (physical bad sector), kh\u00f4ng ph\u1ea3i bad sector logic.<\/p>\n

Nguy\u00ean Nh\u00e2n S\u1ef1 C\u1ed1<\/h2>\n

Ca 1 \u2013 WCJ0MG1J: Ch\u1ebft C\u01a1 \u2013 \u0110\u1ea7u \u0110\u1ecdc Suy Tho\u00e1i Sau 2\u20133 N\u0103m \u0110\u1ecdc Ghi Li\u00ean T\u1ee5c, C\u1ea7n C\u00f3 Ph\u01b0\u01a1ng \u00c1n Backup Th\u00f4ng Minh<\/h3>\n

Gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u<\/h4>\n

B\u00ean trong \u1ed5 c\u1ee9ng HDD l\u00e0 nh\u1eefng \u0111\u0129a t\u1eeb m\u1ecfng (platter) quay v\u1edbi t\u1ed1c \u0111\u1ed9 r\u1ea5t cao \u2014 th\u01b0\u1eddng 5,400 ho\u1eb7c 7,200 v\u00f2ng\/ph\u00fat. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ecdc v\u00e0 ghi b\u1edfi c\u00e1c \u0111\u1ea7u \u0111\u1ecdc (head) bay l\u01a1 l\u1eedng c\u00e1ch b\u1ec1 m\u1eb7t \u0111\u0129a ch\u1ec9 v\u00e0i nanomet, kh\u00f4ng ch\u1ea1m v\u00e0o.<\/p>\n

Sau 2-3 n\u0103m ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 h\u1ecdc c\u1ee7a c\u1ee5m \u0111\u1ea7u \u0111\u1ecdc \u2014 cu\u1ed9n d\u00e2y actuator, \u1ed5 bi, c\u01a1 c\u1ea5u gi\u1eef v\u1ecb tr\u00ed \u2014 b\u1ecb m\u00e0i m\u00f2n d\u1ea7n. \u0110\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ea7u \u0111\u1ecdc kh\u00f4ng c\u00f2n duy tr\u00ec \u0111\u01b0\u1ee3c kho\u1ea3ng bay chu\u1ea9n n\u1eefa: n\u00f3 b\u1eaft \u0111\u1ea7u ch\u1ea1m v\u00e0o b\u1ec1 m\u1eb7t \u0111\u0129a trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. K\u1ebft qu\u1ea3 l\u00e0 ti\u1ebfng k\u00eau c\u01a1 h\u1ecdc \u0111\u1eb7c tr\u01b0ng (l\u1ea1ch c\u1ea1ch, x\u1eb9c x\u1eb9c) m\u1ed7i khi c\u1ea5p \u0111i\u1ec7n \u2014 v\u00e0 \u1ed5 kh\u00f4ng th\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng.<\/p>\n

Tuy nhi\u00ean, \u0111i\u1ec3m then ch\u1ed1t c\u1ea7n hi\u1ec3u \u0111\u00fang: \u0111\u1ea7u \u0111\u1ecdc h\u1ecfng kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 d\u1eef li\u1ec7u m\u1ea5t<\/strong>. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u00ean b\u1ec1 m\u1eb7t t\u1eeb c\u1ee7a platter \u2014 v\u00e0 platter n\u00e0y v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n. V\u1edbi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng, v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb platter ngay c\u1ea3 khi \u0111\u1ea7u \u0111\u1ecdc g\u1ed1c \u0111\u00e3 kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>\n

Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt<\/h4>\n

Seagate ST5000LM000 DOM 04FEB2018 \u2014 \u1ed5 laptop 2.5″ 5TB d\u00f9ng c\u00f4ng ngh\u1ec7 SMR (Shingled Magnetic Recording). Sau 2-3 n\u0103m ho\u1ea1t \u0111\u1ed9ng, c\u1ee5m \u0111\u1ea7u \u0111\u1ecdc (Head Stack Assembly) suy tho\u00e1i \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ec3 duy tr\u00ec fly height \u1ed5n \u0111\u1ecbnh. Bi\u1ec3u hi\u1ec7n: ti\u1ebfng k\u00eau c\u01a1 h\u1ecdc khi kh\u1edfi \u0111\u1ed9ng (head seeking v\u00e0 ti\u1ebfp x\u00fac platter), kh\u00f4ng truy xu\u1ea5t d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng.<\/p>\n

PC-3000 Portable-III \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u1edf m\u1ee9c giao ti\u1ebfp ph\u1ea7n c\u1ee9ng th\u1ea5p \u2014 c\u00e1p k\u00e8m theo trong \u1ea3nh H1.jpg cho ph\u00e9p PC-3000 giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi controller c\u1ee7a \u1ed5, ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc v\u00e0 s\u1ed1 l\u1ea7n retry t\u1ea1i t\u1eebng v\u00f9ng, gi\u1ea3m thi\u1ec3u th\u1eddi gian \u0111\u1ea7u \u0111\u1ecdc ti\u1ebfp x\u00fac v\u1edbi platter trong m\u1ed7i thao t\u00e1c. K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p “v\u1eaft” t\u1ed1i \u0111a d\u1eef li\u1ec7u t\u1eeb \u1ed5 ch\u1ebft c\u01a1 tr\u01b0\u1edbc khi \u0111\u1ea7u \u0111\u1ecdc ho\u00e0n to\u00e0n kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng \u0111\u1ecdc.<\/p>\n

K\u1ebft qu\u1ea3 x\u00e1c nh\u1eadn:<\/strong> Task Statistics: 9,726,437,783 sectors \u0111\u1ecdc th\u00e0nh c\u00f4ng (99.6%), ch\u1ec9 41 tri\u1ec7u sectors kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c (0.4%). Map g\u1ea7n to\u00e0n xanh \u2014 x\u00e1c nh\u1eadn platter c\u00f2n t\u1ed1t, l\u1ed7i n\u1eb1m ho\u00e0n to\u00e0n \u1edf l\u1edbp c\u01a1 h\u1ecdc \u0111\u1ea7u \u0111\u1ecdc, kh\u00f4ng ph\u1ea3i l\u1edbp t\u1eeb t\u00ednh l\u01b0u d\u1eef li\u1ec7u.<\/p>\n

Ca 2 \u2013 WCJ9KRYY: Bad Sector V\u1eadt L\u00fd Di\u1ec7n R\u1ed9ng<\/h3>\n

Gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u<\/h4>\n

Bad sector l\u00e0 v\u00f9ng b\u1ec1 m\u1eb7t \u0111\u0129a t\u1eeb b\u00ean trong \u1ed5 b\u1ecb tho\u00e1i h\u00f3a v\u00e0 kh\u00f4ng \u0111\u1ecdc\/ghi \u0111\u01b0\u1ee3c n\u1eefa. V\u1edbi \u1ed5 2.5 n\u0103m tu\u1ed5i, \u0111\u00e2y l\u00e0 \u0111i\u1ec1u b\u1ea5t th\u01b0\u1eddng \u2014 nh\u01b0ng kh\u00f4ng ph\u1ea3i kh\u00f4ng x\u1ea3y ra, \u0111\u1eb7c bi\u1ec7t v\u1edbi \u1ed5 OEM c\u00f3 th\u1ec3 \u0111\u00e3 qua s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb doanh nghi\u1ec7p tr\u01b0\u1edbc khi v\u1ec1 tay ng\u01b0\u1eddi d\u00f9ng hi\u1ec7n t\u1ea1i.<\/p>\n

Bad sector kh\u00f4ng ch\u1ebft to\u00e0n b\u1ed9 \u1ed5 \u2014 ch\u1ec9 l\u00e0m m\u1ed9t ph\u1ea7n d\u1eef li\u1ec7u kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c. Ph\u1ea7n d\u1eef li\u1ec7u n\u1eb1m trong v\u00f9ng sector c\u00f2n \u0111\u1ecdc \u0111\u01b0\u1ee3c v\u1eabn c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i.<\/p>\n

Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt<\/h4>\n

Map PC-3000 trong qu\u00e1 tr\u00ecnh imaging:<\/p>\n