linux-kernel - Re: sata_mv and Highpoint RocketRAID 230x, corruption?

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Message-ID: <4CC2FD0A.9090409@teksavvy.com>
Date:	Sat, 23 Oct 2010 11:19:38 -0400
From:	Mark Lord <kernel@...savvy.com>
To:	Mathias Burén <mathias.buren@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: sata_mv and Highpoint RocketRAID 230x, corruption?

On 10-10-23 08:57 AM, Mathias Burén wrote:
> Hi,
>
> Thanks for the clarification. Since I've (stupidly enough) partitioned
> the drives from 1MB until the end, I'm most likely affected by this
> stupid RAID BIOS.
> That might explain why I'm getting this error (full dmesg at
> http://pastebin.ca/1970873 ):
>
> 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.
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