Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Thu, Jun 23, 2011 at 12:45:16PM -0700, Claude.Duplissey at gdc4s.com wrote:
> I am evaluating DRBD for possible use. I need to provide for two
> possible primaries that can replicate data from a source ( r0 ) to a
> secondary system. One of the primaries replicates and the other is
> available to be activated if the first primary fails. For this purpose I
> defined a virtual IP that can be activated on either primary and used to
> communicate to the secondary system. In drbd.conf I defined the use of
> the floating IP via
> floating 145.243.127.243:7789 {
> device /dev/drbd1;
> disk /dev/sdb1;
> meta-disk internal;
> }
>
>
> Everything seems to work except that I have not found a way to take the
> resource down on the primary using dbrdadm. Specifically, the command
> drbdadm down r0 produces the message: 'r0' ignored since this host
> (<hostname>)is not mentioned with an 'on' keyword.
Don't take down the IP before you take down the dependend DRBD resource.
First take down the DRBD, and only then take down the IP.
> So the only way I
> have found to shut r0 down is to stop the drbd service. Other commands
> such as drbdadm role r0, drbdadm cstate r0, etc. seem to work.
>
> 1. Is this a bug or is there a way to reference the resource?
> 2. Is there a better way to configure the systems to handle this
> case?
>
> Thanks,
> Claude Duplissey
>
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--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com
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