[linux-lvm] can't remove snapshot

Lentes, Bernd bernd.lentes at helmholtz-muenchen.de
Tue Apr 9 13:33:44 UTC 2019

----- On Apr 9, 2019, at 3:24 PM, Zdenek Kabelac zdenek.kabelac at gmail.com wrote:

> Dne 09. 04. 19 v 15:00 Lentes, Bernd napsal(a):
>> Hello list,
>> I have a two-node HA-cluster which uses local and cluster LVM.
>> cLVM is currently stopped, I try to remove a snapshot from the root lv which
>> is located on a local VG.
>> I get this error:
>> ha-idg-2:/mnt/spp # lvremove -fv vg_local/lv_snap_pre_sp4
>>    connect() failed on local socket: No such file or directory
>>    Internal cluster locking initialisation failed.
>>    WARNING: Falling back to local file-based locking.
>>    Volume Groups with the clustered attribute will be inaccessible.
>>      Archiving volume group "vg_local" metadata (seqno 26).
>>      Removing snapshot volume vg_local/lv_snap_pre_sp4.
>>      Loading table for vg_local-lv_root (254:8).
>>    device-mapper: reload ioctl on  (254:8) failed: Invalid argument
>>    Failed to refresh lv_root without snapshot.
> Hi
> Have you tried to converted clustered VG to be a non-clustered one ?
No. What would be the reason to do this ?

> And use file locking to proceed with operation on local device?
No. How can i do that ?


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