Dne 07. 09. 20 v 16:14 Dalebjörk, Tomas napsal(a):
Hi Mikulas,
Thanks for the replies
I am confused now with the last message?
LVM doesn't support taking existing cow device and attaching it to an existing
volume?
Isn't that what "lvconvert --splitsnapshot" & "lvconvert -s" is ment to be doing?
lets say that I create the snapshot on a different device using these steps:
root@src# lvcreate -s -L 10GB -n lvsnap vg/lv /dev/sdh
root@src# lvconvert ---splitsnapshot vg/lvsnap
root@src# echo "I now move /dev/sdb to another server"
root@tgt# lvconvert -s newvg/newlv vg/lvsnap
Hi
This is only supported as long as you stay within VG.
So newlv & lvsnap must be in a single VG.
Note - you can 'vgreduce' PV from VG1 and vgextend to VG2.
But it always work on whole PV base - you can't mix
LV between VGs.
Zdenek
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