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problem in LVM disk creation when instantiating VM

Hi,

When i try to create a new VM on proxmox 2.3-13, i get this error
Code:

trying to aquire cfs lock 'storage-pve_lvm' ...TASK ERROR: create failed - got lock request timeout
Syslog shows about every 10 seconds this messages:
Code:

Apr 9 13:44:46 pve01 pmxcfs[876766]: [dcdb] notice: start cluster connection
Apr 9 13:44:46 pve01 pmxcfs[876766]: [dcdb] crit: internal error - unknown mode 0
Apr 9 13:44:46 pve01 pmxcfs[876766]: [dcdb] crit: leaving CPG group

More-or-less randomly restarting services on the problematic node fixed this, but i would like to know what this might have caused.
Hint: I tried a VM backup some days before which stalled and i just forgot about. Might be the cause, please comment.

What is the correct way to fix such issue in the future?

Regards,
Proxman

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