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Date:  Mon, 02 Mar 2009 14:48:43 -0500
From:  MuntadaNet Webmaster <webmaster (at mark) muntada.com>
Subject:  [coba-e:15173] Re: Hard Drive Failure
To:  coba-e (at mark) bluequartz.org
Message-Id:  <7.0.1.0.2.20090302144741.06f0dcc8 (at mark) muntada.com>
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All good information.  It seems doing this with a "test" for the 
first time might be wise to gain the experience and in the end, 
always have a backup to revert to.  Having said that, if you were to 
remove 1 drive from the RAID array, wouldn't that drive be good 
enough to fall back too?.

-Rashid

At 12:54 PM 3/2/2009, you wrote:
>On Mon, 2009-03-02 at 16:19 +0100, Rickard Osser wrote:
> > On Mon, 2009-03-02 at 15:04 +0000, Dogsbody wrote:
> > > >> It won't do it automatically and I have never tried it but I 
> am pretty
> > > >> sure that once you have done the above swap you will then be 
> able to go
> > > >> in and create another partition on the free space.  It is possible to
> > > >> grow existing partitions into the free space too but this 
> has to be done
> > > >> with those partitions offline (unmounted) and is not for the 
> feint of heart.
> > > >
> > > > Actually, it can be done on-line...
> > > > Read the instructions here:
> > > > http://linux-raid.osdl.org/index.php/Growing
> > >
> > >
> > > You REALLY don't want to use `fsck` or `resize2fs` on a live system!!!
> > >
> > > In fact fsck will throw up errors and I'm pretty sure resize2fs will
> > > refuse to run.
> > Hi Dan!
> >
> > Actually, don't run fsck on a live system, that's true, resize2fs will
> > work on a live system. I just made a migration from 2 16GB disks last
> > weekend to 2 new 500GB disks on a "production" system.
>
>Actually, I forgot, let the raid resync before doing any resize2fs and
>mdadm commands...
>
>Regards,
>
>--
>Rickard Osser <rickard.osser (at mark) bluapp.com>
>BluApp AB

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