How To Repair Vinum Subdisk?

Greg 'groggy' Lehey grog at FreeBSD.org
Thu Apr 24 17:55:55 PDT 2003


On Thursday, 24 April 2003 at 17:12:28 -0700, Drew Tomlinson wrote:
> I recently added a new drive to a concatenated plex in vinum on a
> 4.8-RELEASE machine.  I edited the disklabel to type 'vinum' and then
> defined the drive as a subdisk in the plex.  The vinum 'list' command showed
> everything up and running so I used growfs to expand the file system.
> Everything appeared to finish OK.
>
> However upon my first reboot of the system, the vinum volume won't mount and
> the newly added subdisk shows a state of 'crashed'.  If I stop and restart
> the subdisk, then it shows a state of 'up' but the volume still won't mount
> as it is 'dirty' and needs to be fsck'ed.  But when I fsck the volume, the
> system core dumps on a signal 6.
>
> This particular volume consists of 3 80GB IDE drives.  The first two drives
> I've had running successfully in the machine for about a year.  Then when
> the volume filled, I bought an additional drive, put it in a firewire
> enclosure (I was out of space in the machine case), made the necessary mods
> to the kernel, and then plugged the drive into the machine.  Because I
> haven't added any additional data to the volume, there is nothing on the new
> subdisk to lose but I do want to preserve the data on the first two
> subdisks.  I also mention the firewire in case it makes a difference.
>
> Please let me know if there's any other information I can provide.  I
> attempted to go to www.vinumvm.org to find the details required for
> assistance but the site is unreachable as of 17:10 Pacific Daylight Time on
> April 24.

I see accesses round this time in the web log.  Anyway, I've checked,
and it's accessible now.  Take a look at
http://www.vinumvm.org/vinum/how-to-debug.html.

Greg
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