[DRBD-user] pvcreate on /dev/drbd0 on both nodes?

James Vanns james.vanns at framestore-cfc.com
Tue Nov 28 13:59:20 CET 2006

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

I've discovered that:

drbdsetup /dev/drbd0 primary
pvscan -v
vgscan -v

on both nodes (allow-two-primaries is configured in /etc/drbd.conf)
seems to do the trick! I hope it is correct!


On Tue, 2006-11-28 at 12:49 +0000, James Vanns wrote:
> OKm, thought so. However, after doing this (and then a vgcreate) and
> even though I can see through either dmesg or /proc/drbd shouldn't I be
> able to do something like a pvscan -v and/or a vgscan -v on the other
> node to see the same devices in use? Or a pvs/vgs? Or would I need to
> replay the backup? Something like:
> vgcfgrestore -f /etc/lvm/backup/<VG name> <VG name>
> On the secondary node? Or would this only work when both have been
> promoted to primary (like I know that you can't mount an FS on a DRBD
> device on a secondary node etc.)?
> Jim
> On Tue, 2006-11-28 at 12:15 +0100, Ralf Gross wrote:
> > James Vanns said:
> > > This may be a silly question but with either a primary/secondary setup
> > > or primary/primary (0.8) setup when issuing a pvcreate against the newly
> > > initialised DRBD device - do I need to do that on both nodes? Or just on
> > > one (the primary ;)?
> > 
> > You have to do this only on one node.
> > 
> > Ralf
> > 
> > _______________________________________________
> > drbd-user mailing list
> > drbd-user at lists.linbit.com
> > http://lists.linbit.com/mailman/listinfo/drbd-user
James Vanns
Systems Programmer
Framestore CFC Ltd.

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