From: Adam Luter <luterac@bellsouth.net>
To: linux-raid@vger.kernel.org
Subject: Re: raidreconf success report
Date: Tue, 5 Nov 2002 11:51:29 -0600 [thread overview]
Message-ID: <20021105175129.GD22883@smeagol> (raw)
In-Reply-To: <b2vfsusu29ejgivvg19fpe42dicfekjk9h@4ax.com>
Even if it can, I haven't heard of any filesystem resizers that could
reduce. (But I could be easily wrong).
-Adam
On Tue, Nov 05, 2002 at 11:14:51AM -0600, Steve Brueggeman wrote:
> This is the first I've heard of raidreconf.
>
> Where is it, and can it be used to reduce a RAID-5 configuration???
>
> Steve Brueggeman
>
> On Sun, 3 Nov 2002 16:33:09 +0000 (GMT), you wrote:
>
> >I am happy to report successfully using raidreconf to grow a 7 x 73GB
> >RAID5 to 10 x 73GB RAID5.
> >
> >The operation took around 16 hours. Machine is a 4-way xeon with 6GB RAM;
> >though the kernel on the CD I booted from only supported UP/1GB RAM. I'm
> >not sure whether the extra CPUs/memory would have helped performance.
> >Disks are 10kRPM scsi disks.
> >
> >The sequence of commands was:
> >
> >boot from cd (raid is root filesystem)
> >reiserfsck /dev/md0
> >raidstop /dev/md0
> >raidreconf -o oldraidtab -n newraidtab -m /dev/md0
> >go home and sleep!
> >reiserfsck /dev/md0
> >resize_reiserfs /dev/md0
> >reiserfsck /dev/md0
> >then reboot, and machine carried on as before!
> >
> >No errors were reported at any stage.
> >
> >All very impressive. Thanks for the good work!
prev parent reply other threads:[~2002-11-05 17:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-03 16:33 raidreconf success report Alistair Riddell
2002-11-05 17:14 ` Steve Brueggeman
2002-11-05 17:51 ` Adam Luter [this message]
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