Justin Piszcz wrote: > > > On Fri, 21 Nov 2008, Peter Rabbitson wrote: > >> It might very well be a WD bug. I had three (3) identical WDC >> WD2500AAJS-08B4A0 drives fail on me with the same _identical_ error >> (same sector number to the last digit): >> >> Oct 27 11:33:41 Arzamas kernel: ata6.00: exception Emask 0x10 SAct 0x0 >> SErr 0x80000 action 0xe frozen >> Oct 27 11:33:41 Arzamas kernel: ata6.00: irq_stat 0x01100010, PHY RDY >> changed >> Oct 27 11:33:41 Arzamas kernel: ata6: SError: { 10B8B } >> Oct 27 11:33:41 Arzamas kernel: ata6.00: cmd >> ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 >> Oct 27 11:33:41 Arzamas kernel: res 06/37:00:00:00:00/00:00:00:00:06/00 >> Emask 0x12 (ATA bus error) >> Oct 27 11:33:41 Arzamas kernel: ata6.00: error: { IDNF ABRT } >> Oct 27 11:33:41 Arzamas kernel: ata6: hard resetting link >> Oct 27 11:33:46 Arzamas kernel: ata6: SATA link up 3.0 Gbps (SStatus 123 >> SControl 0) >> Oct 27 11:33:46 Arzamas kernel: ata6.00: configured for UDMA/100 >> Oct 27 11:33:46 Arzamas kernel: ata6: EH complete >> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] 488397168 512-byte >> hardware sectors (250059 MB) >> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] Write Protect is off >> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] Mode Sense: 00 3a 00 00 >> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] Write cache: enabled, >> read cache: enabled, doesn't support DPO or FUA >> Oct 27 11:33:46 Arzamas kernel: end_request: I/O error, dev sde, sector >> 488166955 >> Oct 27 11:33:46 Arzamas kernel: md: super_written gets error=-5, >> uptodate=0 >> >> >> All 3 drives endured the same multiple rewriting of the sector in >> question, as they did multiple smart self-tests. I am currently in the >> process of replacing these two drives with Seagates, (the other 2 in the >> 4 member array are Maxtors). Will see what happens. >> >> Peter >> >> P.S. See threads http://marc.info/?l=linux-raid&m=122523835815697 and >> http://marc.info/?l=linux-raid&m=122669103213041 for more info on my > > Pete, > > Are these -new- 250GiB drives, recently purchased? > > # hdparm -iv /dev/sda > Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7 > > What does yours conform to, just curious? > All 3 were new, bought from trusted channels as replacements (in 2 - 5 week intervals) for two of the Maxtors which went flaky after 4.5 years of service. All showed usages hours starting from 1, confirming I am the first user: root@Arzamas:~# hdparm -iv /dev/sde /dev/sde: IO_support = 0 (default) readonly = 0 (off) readahead = 256 (on) geometry = 30401/255/63, sectors = 488397168, start = 0 Model=WDC WD2500AAJS-08B4A0 , FwRev=01.03A01, SerialNo= WD-WMAT14036837 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50 BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=488397168 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=no WriteCache=enabled Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7 * signifies the current active mode root@Arzamas:~# root@Arzamas:~# hdparm -iv /dev/sdc /dev/sdc: IO_support = 0 (default) readonly = 0 (off) readahead = 256 (on) geometry = 30401/255/63, sectors = 488397168, start = 0 Model=WDC WD2500AAJS-00B4A0 , FwRev=01.03A01, SerialNo= WD-WCAT11572764 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50 BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=488397168 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 udma6 AdvancedPM=no WriteCache=enabled Drive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7 * signifies the current active mode root@Arzamas:~# The 3rd drive is already gone back to MFG. Peter -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html