[linux-lvm] LAZY MODE: Exchanging a LVM'ed disk
Turbo Fredriksson
turbo at bayour.com
Tue Nov 20 09:39:01 UTC 2001
Quoting Benjamin Scott <bscott at ntisys.com>:
> On 20 Nov 2001, Turbo Fredriksson wrote:
> > I currently have a disk in my LVM set which is only 1Gb. It's also quite
> > old, so I'd like to replace that with a newer/bigger one..
>
> 1. Backup the existing filesystem(s)
> 2. Verify the backup
> 3. Create a PV on the new disk (pvcreate)
> 4. Add the new PV to the existing VG (vgextend)
> 5. Move the data from the old PV to the new PV (pvmove)
> 6. Remove the old PV from the VG (vgreduce)
> 7. Extend the LV to use the entire new PV (lvextend)
> 8. Resize the filesystem to use the entire LV
Quoting Benjamin Scott <bscott at ntisys.com>:
> On 20 Nov 2001, Turbo Fredriksson wrote:
> > Do I _have_ to copy all the info to a empty disk, then create the lv
> > (pvcreate et al)?
>
> No, you could just blow away your existing non-LVM partition and lose all
> your data. ;-) But if you would like to *keep* your data, the answer is
> "Yes, you have to copy it all to another filesystem".
Dang! I was hopping I could get away easy here! :)
Thanx for the answer, I appreciate it, even though I don't "like it" if you know
what I mean :)
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