Re: And again help on deciphering an error (continued)

[Peter Rabbitson <rabbit+list@rabbit.us>]

Robert Hancock wrote:
> Justin Piszcz wrote:
>> Here are some more:
>>
>> Jul 14 05:54:55 p34 kernel: [478107.751877] ata4.00: exception Emask
>> 0x0 SAct 0x0 SErr 0x0 action 0x0
>> Jul 14 05:54:55 p34 kernel: [478107.751883] ata4.00: irq_stat 0x40000001
>> Jul 14 05:54:55 p34 kernel: [478107.751889] ata4.00: cmd
>> 25/00:f8:08:b0:ee/00:00:22:00:00/e0 tag 0 dma 126976 in
>> Jul 14 05:54:55 p34 kernel: [478107.751890]          res
>> 51/40:f8:47:b0:ee/00:00:22:00:00/e0 Emask 0x9 (media error)
>> Jul 14 05:54:55 p34 kernel: [478107.751895] ata4.00: status: { DRDY ERR }
>> Jul 14 05:54:55 p34 kernel: [478107.751898] ata4.00: error: { UNC }
> 
> Drive reporting an uncorrectable error on a read command.
> 
>> Nov  9 09:25:19 p34 kernel: [ 3686.460568] ata4.00: exception Emask
>> 0x0 SAct 0x0 SErr 0x0 action 0x0
>> Nov  9 09:25:19 p34 kernel: [ 3686.460574] ata4.00: irq_stat 0x40000001
>> Nov  9 09:25:19 p34 kernel: [ 3686.460579] ata4.00: cmd
>> ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
>> Nov  9 09:25:19 p34 kernel: [ 3686.460580]          res
>> 51/10:00:34:cf:f3/00:00:00:f3:40/a3 Emask 0x81 (invalid argument)
>> Nov  9 09:25:19 p34 kernel: [ 3686.460585] ata4.00: status: { DRDY ERR }
>> Nov  9 09:25:19 p34 kernel: [ 3686.460589] ata4.00: error: { IDNF }
> 
> Flush cache returned ID not found (drive couldn't find a sector)
> 
>> Nov  9 09:25:24 p34 kernel: [ 3691.461173] ata4.00: qc timeout (cmd 0xec)
>> Nov  9 09:25:24 p34 kernel: [ 3691.461183] ata4.00: failed to IDENTIFY
>> (I/O error, err_mask=0x5)
>> Nov  9 09:25:24 p34 kernel: [ 3691.461187] ata4.00: revalidation
>> failed (errno=-5)
>> Nov  9 09:25:24 p34 kernel: [ 3691.461192] ata4: hard resetting link
>> Nov  9 09:25:24 p34 kernel: [ 3691.766178] ata4: SATA link up 3.0 Gbps
>> (SStatus 123 SControl 300)
>> Nov  9 09:25:24 p34 kernel: [ 3691.803834] ata4.00: configured for
>> UDMA/133
>> Nov  9 09:25:24 p34 kernel: [ 3691.803846] end_request: I/O error, dev
>> sdd, sector 586067135
>> Nov  9 09:25:24 p34 kernel: [ 3691.803849] md: super_written gets
>> error=-5, uptodate=0
>> Nov  9 09:25:24 p34 kernel: [ 3691.803853] raid5: Disk failure on
>> sdd1, disabling device.
>> Nov  9 09:25:24 p34 kernel: [ 3691.803854] raid5: Operation continuing
>> on 8 devices.
>>
>> Nov 12 01:22:28 p34 kernel: [64894.610696] ata9.00: exception Emask
>> 0x0 SAct 0x0 SErr 0x0 action 0x0
>> Nov 12 01:22:28 p34 kernel: [64894.610703] ata9.00: irq_stat
>> 0x00020002, device error via D2H FIS
>> Nov 12 01:22:28 p34 kernel: [64894.610708] ata9.00: cmd
>> ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
>> Nov 12 01:22:28 p34 kernel: [64894.610709]          res
>> 51/04:00:34:cf:f3/00:00:00:f3:40/a3 Emask 0x1 (device error)
>> Nov 12 01:22:28 p34 kernel: [64894.610714] ata9.00: status: { DRDY ERR }
>> Nov 12 01:22:28 p34 kernel: [64894.610718] ata9.00: error: { ABRT }
> 
> Flush cache returned command aborted, presumably because the write to
> media failed.
> 
> Looks like some sick drives, or some other more global problem (power,
> temperature, etc.) to me..
> 

But an _identical_ sector number? Looks too unlikely... I might try to
crank open hexedit and write repeatedly to this place. Sectors are still
512 bytes right?

Peter