On 9/26/18 6:50 AM, Jaco van Niekerk wrote:
Hi
I will like to confirm the correct way to remove an LVM
snapshot?
Create my Logical Volume and snapshot:
lvcreate --addtag pacemaker --name lv_iscsi_lun1 --size 100G
vg_iscsi --config 'activation { volume_list = [ "@pacemaker" ]}'
lvcreate --addtag pacemaker --name lv_iscsi_lun1_snap --snapshot
--size 10G /dev/vg_iscsi/lv_iscsi_lun1 --config 'activation {
volume_list = [ \"@pacemaker\" ]}'
Do I have to Merge the Snapshot first before I can remove it?
lvremove /dev/vg_iscsi/lv_iscsi_lun1_snap
Depends on your use case:
- if you need the data as of your snapshot and wnat to keep it
in the origin, you have to merge
- if you used the snapshot temorarily (e.g. for backup, fsck,
...), just lvremove it.
More Info:
lv_iscsi_lun1 is a ISCSI target for a KVM virtual server.
Trouble experienced:
I lost my hole Volume Group after removing the Logical Volume
Snapshot.
Can you provide any logs and "lvremove -vvvv ..." output
(lvmdump preferred)?
Heinz
Regards
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