[linux-lvm] Removal of PV

[hail narcissus]

Thanks, thought no one was going to reply.  :)

I'll back up more critical data and try this weekend.

>From: Patrick Caulfield <caulfield at sistina.com>
>Reply-To: linux-lvm at sistina.com
>To: linux-lvm at sistina.com
>Subject: Re: [linux-lvm] Removal of PV
>Date: Fri, 20 Apr 2001 11:29:23 +0100
>
>On Mon, Apr 16, 2001 at 02:50:07PM -0700, hail narcissus wrote:
> >
> > I know this has been asked before and I browsed the archives for the 
>info.
> > But I want to be sure since I am dealing with 500+GB of data.
> >
> > Here is my configuration:
> > hda-h (80Gig IDE's)
> > sda-n (9Gig SCSI's)
> > 652.81 GB VG
> > 505GB Used 140GB Free
> >
> > I want to remove the SCSI drives since I am having some SCSI bus 
>problems
> > and they are just old and I am not feeling comfortable with it's
> > reliability.
> >
> > I believe this would be the proper steps:
> >
> > resize2fs /dev/lv/vg 520G  <-- Is 520G correct, particularly the G.
> > pvmove /dev/sda /dev/hdh   <-- Assuming /dev/hdh has free space
> > pvmove /dev/sdb /dev/hdh
> > pvmove /dev/sdc /dev/hdh
> > ...
> > lvreduce -L 520G /dev/lv/vg
> > vgreduce vg /dev/sda
> > vgreduce vg /dev/sdb
> > vgreduce vg /dev/sdc
> >
> > I saw in the mailing list where someone suggested:
> >
> > ext2resize/resize2fs
> > lvreduce
> > pvmove
> > vgreduce
> >
> > But I would think you would want to do pvmove before the lvreduce.
> > Otherwise you might truncate data?
>
>Either way round should be fine. If you're using <beta7 then, due to bugs, 
>you
>should take the volume offline before moving it though.
>
>patrick
>
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