Re: Vinum / 4.8 / Referenced disk / Recovery
From: Greg 'groggy' Lehey (grog_at_FreeBSD.org)
Date: 05/31/03
- Previous message: Andy Farkas: "Re: swapping over nfs might be broken"
- In reply to: Michael G. Jung: "Vinum / 4.8 / Referenced disk / Recovery"
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Date: Sat, 31 May 2003 12:28:08 +0930 To: "Michael G. Jung" <mikej@confluenttech.com>
On Friday, 30 May 2003 at 18:21:53 -0400, Michael G. Jung wrote:
> After a reboot on 4.8 I ended up with a degraded raid 5 partition...
>
> The only thing special about my setup is.... 4944 drives spread over 3 channels,
> running SMP kernel.....
That's a lot of drives.
> One sub disk was down and the and the drive was referenced... in scouring the
> mailing lists I saw where a referenced disk means you have referenced a
> non-existent drive - I read this as one vinum didn't think was defined.. in my
> case it was drive29 --> /dev/da29s1e
>
> I don't know how this got referenced !!!
It's part of your configuration. From the printconfig output:
> drive drive29 device /dev/da29s1e
> It's been reboot many times and this has not happened.
It probably hasn't failed for.
>
> So I boldly created a config file for vinum and re-created the drive.....
>
> --- config file ----
> drive drvie29 device /dev/da29e
> --- end ----
>
> but I still can not start the sub disk.....
>
> (root@jammin) /home/staff/mikej# vinum start raid5-1.p0.s15
> Can't start raid5-1.p0.s15: Drive is down (5)
> (root@jammin) /home/staff/mikej#
>
> Here is what vinum thinks...... Do I rm the sub disk and re-create
> it?????
No.
> Will this kill my raid-5 partition ??
If you do enough messing around with the configuration, yes, you can
kill your RAID-5 plex.
In all probability, your drive has failed and requires replacement.
You'll see that from the system log file. Look at
http://www.vinumvm.org/vinum/how-to-debug.html and
http://www.vinumvm.org/vinum/replacing-drive.html. You don't need to
submit the information if you can understand it and take the
appropriate action.
Greg
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- Previous message: Andy Farkas: "Re: swapping over nfs might be broken"
- In reply to: Michael G. Jung: "Vinum / 4.8 / Referenced disk / Recovery"
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