On Saturday, 15 March 2003 at 10:34:54 +0200, Vallo Kallaste wrote:
> On Sat, Mar 15, 2003 at 12:02:23PM +1030, Greg 'groggy' Lehey
> <[EMAIL PROTECTED]> wrote:
>
>>> -current, system did panic everytime at the end of
>>> initialisation of parity (raidctl -iv raid?). So I used the
>>> raidframe patch for -stable at
>>> http://people.freebsd.org/~scottl/rf/2001-08-28-RAIDframe-stable.diff.gz
>>> Had to do some patching by hand, but otherwise works well.
>>
>> I don't think that problems with RAIDFrame are related to these
>> problems with Vinum.  I seem to remember a commit to the head branch
>> recently (in the last 12 months) relating to the problem you've seen.
>> I forget exactly where it went (it wasn't from me), and in cursory
>> searching I couldn't find it.  It's possible that it hasn't been
>> MFC'd, which would explain your problem.  If you have a 5.0 machine,
>> it would be interesting to see if you can reproduce it there.
>
> Yes, yes, the whole raidframe story was meant as information about
> the conditions I did the raidframe vs. Vinum testing on. Nothing to
> do with Vinum, besides that raidframe works and Vinum does not.
>
>>> Will it suffice to switch off power for one disk to simulate "more"
>>> real-world disk failure? Are there any hidden pitfalls for failing
>>> and restoring operation of non-hotswap disks?
>>
>> I don't think so.  It was more thinking aloud than anything else.  As
>> I said above, this is the way I tested things in the first place.
>
> Ok, I'll try to simulate the disk failure by switching off the
> power, then.

I think you misunderstand.  I simulated the disk failures by doing a
"stop -f".  I can't see any way that the way they go down can
influence the revive integrity.  I can see that powering down might
not do the disks any good.

Greg
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