[Linux-cluster] Multiple Logical Volumes

[isplist at logicore.net]

I didn't actually lose any data but I have to put it all back in so, no big 
deal, part of the learning curve.


On Thu, 26 Oct 2006 18:00:46 -0500, Robert Peterson wrote:
> isplist at logicore.net wrote:
> 
>> Interesting.. everything's gone now? I changed and now all volume groups
>> have
>> disappeared. I'm guessing I've lost all my data?
>> 
>> I changed things as follows;
>> 
>> From;
>> 
>> # gfs_tool sb /dev/rimfire/rimfire table
>> current lock table name = "vgcomp:gfs1"
>> 
>> # gfs_tool sb /dev/storec/web table
>> current lock table name = "vgcomp:gfs1"
>> 
>> # gfs_tool sb /dev/storeb/qm table
>> current lock table name = "vgcomp:gfs1"
>> 
>> To;
>> 
>> gfs_tool sb /dev/storeb/qm table qm:gfs1
>> gfs_tool sb /dev/storec/web table web:gfs1
>> gfs_tool sb /dev/rimfire/rimfire table rim:gfs1
>> 
> Hi,
> 
> Well  gfs_tool should be used on the gfs blocks INSIDE of the logical
> volumes,
> which are inside the volume groups, which are all part of lvm.
> So perhaps the problem is that you specified the physical devices rather
> than
> the logical volumes.  I'm very sorry if I misled you here.  You want to
> do something like this:
> 
> gfs_tool sb /dev/VolGroup03/lvol0 table qm:gfs1
> 
> Where /dev/VolGroup03/lvol0 is a logical volume defined to be in a
> volume group
> VolGroup03, which contains the physical volumes that correspond to your
> hardware.
> 
> Regards,
> 
> Bob Peterson
> Red Hat Cluster Suite