Help with Vinum disk crash...
Greg 'groggy' Lehey
grog at FreeBSD.org
Mon Feb 23 16:16:46 PST 2004
On Monday, 23 February 2004 at 12:44:19 +0100, Danny Carroll wrote:
> Thanks for all the responses. Unfortunatly I ran out of time and resorted to a
> restore of week old data. No big loss for me, but I really wanted to debug
> this to better understand what happened.
> I think it went something like this:
> ide drive crashes.
> kernel panics (for this or some other reason).
> ufs gets screwed up on the drive because of the panic.
We already discussed this. The likelihood of such far-reaching damage
> I can't prove any of this since I urgently needed about 150gb of
> space. So I re-formatted.
> Like I said it is a shame since I wanted to understand what happened
> now, but, then again, I was looking for an excuse to change back
> from vinum to normal.
To be honest, I don't know what else we could have done, since you
haven't supplied the information I asked for.
> vinum and ide on my system results is very poor disk performance, I
> see a 10-fold increase in read/write actions. I'll be interested in
> revisiting vinum with some SCSI disks sometime soon.
How did you test it?
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