[DRBD-user] Dual primary// GFS2// Cannot mount /dev/drbd0 on second DRBD node

Arnold Krille arnold at arnoldarts.de
Tue Aug 9 13:12:47 CEST 2011


On Tuesday 09 August 2011 12:18:52 Daniel Meszaros wrote:
> Hi,
> 
> I am trying to set up a dual-primary pair. As I had to learn that XFS
> wasn't able to be run in dual-primary mode I killed one side of the DRBD
> pair and set it up with GFS2. I followed the steps on
> http://www.piemontewireless.net/Storage_on_Cluster_DRBD_and_GFS2 . After
> setting it up I moved all the data from the XFS node to the GFS2 node,
> verified that it's working, killed the XFS data, put GFS2 onto that node
> and synced back.
> 
> My current status is that both nodes are in sync running "primary".
> However, I am not able to mount /dev/drbd0 on node 2 ("xen2", the node
> that was just synced). After executing the mount command it stalls until
> I cancel with Ctrl+C.

You do have two or more journals defined in your GFS2?

With only one journal, only one machine can mount the disk.

Have fun,

Arnold
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