DucaConte Balabam wrote:
Hello,
I've a cluster using heartbeat v2 and drbd in master/slave configuration.
It's:
============
Last updated: Tue Mar 4 09:49:30 2008
Current DC: rman1c (875afc12-b88e-4940-9816-218d2a5911c3)
2 Nodes configured.
2 Resources configured.
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Node: rman1a (4d7bd4ec-c121-4b13-a2d4-aec820ea36d5): online
Node: rman1c (875afc12-b88e-4940-9816-218d2a5911c3): online
Master/Slave Set: ms-drbd0
drbd0:0 (heartbeat::ocf:drbd): Master rman1a
drbd0:1 (heartbeat::ocf:drbd): Started rman1c
Resource Group: Oracle
FS (heartbeat::ocf:Filesystem): Started rman1a
V_IP (heartbeat::ocf:IPaddr2): Started rman1a
Ora_DB (heartbeat::ocf:oracle): Started rman1a
Ora_LSNR (heartbeat::ocf:oralsnr): Started rman1a
How can I force all resources to move to the other node? There's acommand?
Try
crm_resource -M -r Oracle
This creates a rsc_location constraint, that does not allow "Oracle" to
run in its momentary location. Therefore, the cluster will migrate it.
Don't forget
crm_resource -U -r Oracle
afterwards to remove that rsc_location constraint (and allow the
resource to run on the first node again). If you do not do this, the
resource will never be able to run on the first node again.
Depending on your configuration, the resource might be migrated back to
the first node after the rsc_location constraint has been removed. If
so, you should read http://wiki.linux-ha.org/ScoreCalculation and set
resource_stickiness to a reasonable value.
Regards
Dominik
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