Subject: Re: RAIDFrame: Reconfiguring an array
To: Greg Oster <oster@cs.usask.ca>
From: Mark Cullen <mark.r.cullen@gmail.com>
List: netbsd-users
Date: 06/12/2006 00:11:32
Greg Oster wrote:
> Mark Cullen writes:
>
>>[snip]
>
> '-i' only works to initialize a complete RAID set. In your case, it
> has flagged one of the components as 'failed', which means you need
> to rebuild it..
>
Right, got it.
>
>>This would mean that the 'master' would always be the first working drive?
>
>
> Yes.
>
>
>>[snip]
>>
>>Oh, and I tried adding a spare and reconstructing from that. It actually
>>wasn't `raidctl -R absent raid0`, it was `raidctl -R component1 raid0`,
>
>
> Oh.. right :) (Been a while since I've done that :) )
:)
>> [snip]
>>
>>
>>One last question (I think). Is it safe to use RAIDFrame on a UFS2 FS,
>>with softdep enabled?
>
>
> What filesystem you put on top of RAIDframe is of little concern to
> RAIDframe. Softdep shouldn't have any more or fewer problems than it
> would have on a single spindle... (I havn't run softdeps in ages,
> but I have run UFS2, UFS, and LFS on top of RAIDframe RAID sets...)
Ok, just vinum wasn't supposed to cause any problems with softupdates...
but, well, it did for me :-S
>
>
>> [snip]
>
>
> Dunno... it depends on what your criteria are for a successful test
> :) (I usually just do a bunch of simultanous extractions of
> pkgsrc.tar.gz, coupled with some concurrent "rm -rf"'s of those same
> pkgsrc directories after they've been running for a bit :) When the
> it seems to be surviving for a few hours at a 150 load average, I
> figure it's working reasonably well ;) )
Woah. I'd say that was working pretty well indeed :-P
>
>
>>I've actually ordered a new disk, and I hope to switch over to NetBSD
>>sometime next week if all goes well. Hopefully I won't run in to any
>>strange issues :-)
>>
>>Thanks all!
>
>
> Later...
>
> Greg Oster
>
>
>
I shall be posting back later in the week *if* anything goes wrong, but
I don't expect it will really.
Thanks very much, everyone, for all your help!