Disk inconsistency

[Michael Conlen]

On Sep 28, 2005, at 7:08 AM, Sandy Rutherford wrote:

> A month ago I had one drive in a raid 1 volume "intermittently fail".
> I started seeing occasional (as in only once or twice per week) read
> errors in the logs for the volume in question; however, the drive
> didn't fail catastrophically enough for me to identify which one of
> the 2 drives was bad.  After this happened a few times, I started
> seeing exactly the behaviour that you described above.  At the time, I
> conjectured that the mirrored disks had become inconsistent.
> Fortunately, I was able to identify the bad drive soon after.
> After replacing the drive and rebuilding the redundant data, the
> system has been perfectly stable.
>
> You didn't state your raid setup (hardware or software?).  In my case,
> I am using hardware raid (a Mylex extremeRAID 1100 controller) with
> SCSI disks.

I'm using a IBM FAStT-100 disk array with 8 drives in a RAID-10 (all  
hardware RAID on the disk array). I think my only option is to pull  
an incremental backup and rebuild the file system. Thanks for the info.

--
Michael Conlen