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I have been trying to simulate a xen VM failover, I have a
2 machine cluster and 2 vm’s running. If I issue a “ xm
destroy ID” the vm will automatically reboot to the other
node. But if I reboot one of the clusters to simulate a machine failure
the vm never boots back up until the other machine comes online. So here
are my questions… 1.
How do I get the cluster to boot the vm that has failed when one
of the clustered machines are down? 2.
When I do a “xm destroy ID” the cluster always
reboots the vm onto the other cluster machine, is there any way for me to have
it boot back to the machine its supposed to be running on without having to do
a manual migrate? Can It auto-migrate back to its original machine
over time? Here is the out put of my clustat during a reboot of one of the
clusters… Cluster Status for Xen @ Thu Aug 14 10:11:21 2008 Member Status: Quorate Member
Name
ID Status ------
----
---- ------ xen1.smartechcorp.net
1 Online, Local, rgmanager xen2.smartechcorp.net
2 Offline Service
Name
Owner
(Last)
State -------
----
----- ------
----- vm:Linux1
xen2.smartechcorp.net
stopping vm:Windows1
xen1.smartechcorp.net
started Here is my cluster.conf…. <?xml version="1.0"?> <cluster alias="Xen" config_version="29"
name="Xen"> <fence_daemon
clean_start="0" post_fail_delay="0"
post_join_delay="-1"/> <clusternodes>
<clusternode name="xen1.smartechcorp.net" nodeid="1"
votes="1">
<fence>
<method name="1">
<device name="manual" nodename="xen1.smartechcorp.net"/>
</method>
</fence>
</clusternode>
<clusternode name="xen2.smartechcorp.net" nodeid="2"
votes="1">
<fence>
<method name="1">
<device name="manual" nodename="xen2.smartechcorp.net"/>
</method>
</fence>
</clusternode> </clusternodes> <cman
expected_votes="1" two_node="1"/> <fencedevices>
<fencedevice agent="fence_manual" name="manual"/> </fencedevices> <rm>
<failoverdomains>
<failoverdomain name="bias-xen1" nofailback="0" ordered="1"
restricted="0">
<failoverdomainnode name="xen1.smartechcorp.net"
priority="1"/>
<failoverdomainnode name="xen2.smartechcorp.net"
priority="2"/>
</failoverdomain>
<failoverdomain name="bias-xen2" nofailback="0" ordered="1"
restricted="0">
<failoverdomainnode name="xen1.smartechcorp.net"
priority="2"/>
<failoverdomainnode name="xen2.smartechcorp.net"
priority="1"/>
</failoverdomain>
</failoverdomains>
<resources/>
<vm autostart="1" domain="bias-xen1"
exclusive="0" migrate="live" name="Windows1"
path="/var/lib/xen/images" recovery="relocate"/>
<vm autostart="1" domain="bias-xen2"
exclusive="0" migrate="live" name="Linux1"
path="/var/lib/xen/images" recovery="relocate"/> </rm> </cluster> Thanks for any help, this is driving me crazy! --- Chris Edwards cedwards@xxxxxxxxxxxxxxxx C: 423-593-6964 F: 423-664-7680 |
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