[one-users] Hint with snapshot

[Ale]

Hi all,

I'm apparently successfully installed opennebula, all seems to works fine
except for the snapshot.

As datastore i use ceph, with rbd_format=2, when i try to execute onevm
snapshot-create log show


[VMM][I]: Command execution fail: 'if [ -x
"/var/tmp/one/vmm/kvm/snapshot_create" ]; then
/var/tmp/one/vmm/kvm/snapshot_create one-17 0 17 10.5.90.67; else
                   exit 42; fi'
[VMM][I]: Warning: Permanently added '10.5.90.67' (ECDSA) to the list of
known hosts.
[VMM][I]: error: operation failed: Error -95 while writing VM
[VMM][I]:
[VMM][E]: Could not create snapshot  for domain one-17.
[VMM][I]: ExitCode: 255
[VMM][E]: Error creating new VM Snapshot: Could not create snapshot  for
domain one-17.


and libvrtd.log show on the node show

error : qemuMonitorTextCreateSnapshot:2739 : operation failed: Error -95
while writing VM

Onestly if i execute the same command of snapshot_create
virsh snapshot-create one-17
the result is the same, so i suppose that i've misconfigured something, but
i can't find it.
Could someone give me any hint?

Opennebula (4.6.1) is installed on Ubuntu 14.04, while ceph is ceph version
0.79.

Regards
Alessandro
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