From: Ming Zhang <mingz@ele.uri.edu>
To: Brad Campbell <brad@wasp.net.au>
Cc: Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: skip raid5 reconstruction
Date: Fri, 08 Jul 2005 15:25:26 -0400 [thread overview]
Message-ID: <1120850726.26926.2.camel@localhost.localdomain> (raw)
In-Reply-To: <42CEC269.6010205@wasp.net.au>
On Fri, 2005-07-08 at 22:14 +0400, Brad Campbell wrote:
> Ming Zhang wrote:
>
> >>I did a similar thing a while back.
> >>I created the raid and waited for it to sync, I then make dd copies of the raid superblocks.
> >>When I blew it up I just dd the clean superblocks back again (saved a 12 hour rebuild time)
> >
> > interesting to know about this. u just check the dmesg and see where is
> > the sb and then u dd it out and dd back later?
>
> Actually, I used blockdev to get the device size and then just copied the last 64kb from memory..
> It's a bit hazy now but that's pretty close I think
>
:P that is a good method!
thx
ming
> Regards
> Brad
next prev parent reply other threads:[~2005-07-08 19:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-05 17:22 skip raid5 reconstruction Ming Zhang
2005-07-06 6:47 ` Brad Campbell
2005-07-08 12:22 ` Ming Zhang
2005-07-08 18:14 ` Brad Campbell
2005-07-08 19:25 ` Ming Zhang [this message]
2005-07-06 15:45 ` Michael Tokarev
2005-07-06 15:47 ` Ming Zhang
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