[DRBD-user] DRBD9 with PVE4.4, failure to restore VMs

Roberto Resoli roberto at resolutions.it
Sun Mar 26 10:25:41 CEST 2017

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Il 25/03/2017 12:38, Den ha scritto:
> Hi Roberto and all :-)
> 
> 
>> Do you mean LVL or LVM-thin ?

Argh.. I meant LVM or LVM-thin ?

> 
> This is my storage-plugin: drbdmanage.storage.lvm.Lvm
> I changed it from the default before creating drbdmanage cluster

Ok

>>> So when I create a VM on node1, for example, could happen that the
>>> resource
>>> is allocated on node2 and i get a diskless resource on node1, but this
>>> not seem to be a problem.
>> It is, if it is not intended for pve1 to be a satellite node. Diskless
>> is not a normal condition.
> I think is normal because sometime works and because, if I have a cluster
> of x nodes and set redundancy of 2, the node where I create the VM may
> not have the physical LV (because it has less free space, for example).
> Then the system need a diskless instance to connect to other nodes.

Yes, so this was intended.

...

>>> 2) restoring a VM on pve215
>> What is the difference between 1) and 2) ? If you tried 2 after 1), it
>> seems that storage is still locked because of former failed attempt.
> Yes, tried some time after 1)
> Do you know how to see and remove storage lock?

I don't know, but look at "pvesm" command.

Bye,
rob




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