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SubjectRe: sata_mv and Highpoint RocketRAID 230x, corruption?
From
Good! (that it's not a media error) I've ran extended SMART tests on
the drive as well, and everything seemed fine.

I'm going to try with 2.6.35 series now, see if I can salvage some data.

Thanks,

// Mathias

On 23 October 2010 16:49, Mark Lord <kernel@teksavvy.com> wrote:
> On 10-10-23 11:20 AM, Mathias Burén wrote:
>>
>> Hi,
>>
>> Interesting, as the badblocks program doesn't think these sectors are
>> bad. Can I test them any other way?
>
> ..
>>
>> On 23 October 2010 16:19, Mark Lord<kernel@teksavvy.com>  wrote:
>>>
>>> On 10-10-23 08:57 AM, Mathias Burén wrote:
>
> ..
>>>>
>>>> ata2.00: status: { DRDY }
>>>> ata2: hard resetting link
>>>> ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>>>> ata2.00: configured for UDMA/133
>>>> ata2.00: device reported invalid CHS sector 0
>>>> sd 1:0:0:0: [sdb]  Result: hostbyte=0x00 driverbyte=0x08
>>>> sd 1:0:0:0: [sdb]  Sense Key : 0xb [current] [descriptor]
>>>> Descriptor sense data with sense descriptors (in hex):
>>>>         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
>>>>         00 00 00 00
>>>> sd 1:0:0:0: [sdb]  ASC=0x0 ASCQ=0x0
>>>> sd 1:0:0:0: [sdb] CDB: cdb[0]=0x28: 28 00 e7 70 c8 e8 00 05 40 00
>>>> end_request: I/O error, dev sdb, sector 3882928360
>>>> md/raid:md0: read error not correctable (sector 3882926312 on sdb1).
>>>> md/raid:md0: Disk failure on sdb1, disabling device.
>>>
>>>
>>> No, that error looks like a real disk media error -- bad sector(s) on the
>>> drive.
>>>
>>> The BIOS issue merely gives corrupted data, not read errors.
>
> MMm.. you're right.
> I just now looked at the full dmesg you posted,
> and those are NOT media errors.
>
> It looks like NCQ commands are behaving strangely for some reason
> in your 2.6.36 kernel.
>
> Can you retest with, say, 2.6.34 ?
> There were a number of sata_mv updates in between,
> and I'm wondering if perhaps one of them broke something?
>
> Or if you just want to stabilize things, then turn off NCQ.
>
> Cheers
>
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