[PVE-User] DRBD confusion in PVE wikki docs.

Muhammad Yousuf Khan sirtcp at gmail.com
Sat Jul 21 19:37:47 CEST 2012

here is the proxmox official wikki doc.

i agree with Robert, what document saying is ,
it suggest us to create two volume r0 and r1
on node1 we use r0
and on node2 use r1

if split brain occurred then we dont have to shift whole data we just
discard the old data from victim node and resync the drbd data.

for instance in my confusion case if we discard the data from node1 r1
and node2 r0
in case of split brain. so the concept of saying it will take few
minutes as it updates only the changes, doesn't fit in the scenario
and making me confuse.

if you please explain i'll be very thankful.

On Sat, Jul 21, 2012 at 8:23 PM, Robert Fantini <rob at fantinibakery.com> wrote:
> On 07/21/2012 07:27 AM, THe_ZiPMaN wrote:
>> To try to minimize recovery time and risk from S.B. it's advised to
>> create at least 2 drbd device and to take all the VMs on each drbd
>> toghether on the same node.
> Hello
>  I am confused by that..
>  If this is done, which is what I think the wiki suggests:
> 1- create two drbd devices  .  for instance  named  r0 and r1
> 2- make them  primary/primary .
> 3- one one node  use r0  .
> 4- on the other node  use r1 .
>   It seems to me that  there should be a way in drbd configuration  and
> Proxmox cluster / high availability  to prevent  a  kvm from starting on
> both nodes ?
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