Thank you very much.<div><br></div><div>Sam<br><br><div class="gmail_quote">On Wed, Sep 12, 2012 at 1:30 PM, scott mcbrien <span dir="ltr"><<a href="mailto:smcbrien@gmail.com" target="_blank">smcbrien@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">That would be my suggestion. Mark it as the lest preferred in your<br>
failover domain, so that it won't get assigned the service in a<br>
failover. It could even be a VM ;-) But yes, I'd recommend that over<br>
a qdisk. In my experience, qdisks are flaky.<br>
<span class="HOEnZb"><font color="#888888"><br>
-Scott<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On Wed, Sep 12, 2012 at 1:27 PM, Sam Davis <<a href="mailto:aracthabar@gmail.com">aracthabar@gmail.com</a>> wrote:<br>
> They do reboot each other when the cluster is up and running. Would a very<br>
> small third node with an extremely low priorty be preferential over a qdisk?<br>
><br>
> Sam<br>
><br>
><br>
> On Wed, Sep 12, 2012 at 1:23 PM, Scott McBrien <<a href="mailto:smcbrien@gmail.com">smcbrien@gmail.com</a>> wrote:<br>
>><br>
>> It's because your cluster is split-brained. Best option would be to add a<br>
>> third node. If you can't do that, you could add a qdisk *wretches*.<br>
>> Seriously, third node.<br>
>><br>
>> Also, I the machines aren't constantly rebooting each other, I'd guess<br>
>> your fencing isn't working as well.<br>
>><br>
>> -Scott<br>
>><br>
>> On Sep 12, 2012, at 1:15 PM, Sam Davis <<a href="mailto:aracthabar@gmail.com">aracthabar@gmail.com</a>> wrote:<br>
>><br>
>> > Hello All,<br>
>> ><br>
>> > I'm wondering if anyone had expirence with RedHat's HA solution.<br>
>> > We're trying to setup a 2 node failover cluster for a Drupal install using<br>
>> > multipath disks attached via HBAs. It seems to work fine at the start, but<br>
>> > after a while neither node can take ownership of the clustered volume group.<br>
>> > At this point, even trying to stop the clvmd service just hangs. Any hints<br>
>> > or pointers would be appreciated. Below is the cluster.conf<br>
>> ><br>
>> ><br>
>> > Thank you,<br>
>> > Sam Davis<br>
>> ><br>
>> ><br>
>> ><br>
>> > <?xml version="1.0"?><br>
>> > <cluster config_version="25" name="moodle_cluster"><br>
>> > <clusternodes><br>
>> > <clusternode name="mario.REDACTED.REDACTED" nodeid="1"><br>
>> > <fence><br>
>> > <method name="RSA"><br>
>> > <device name="Mario_RSA"/><br>
>> > </method><br>
>> > </fence><br>
>> > </clusternode><br>
>> > <clusternode name="luigi.REDACTED.REDACTED" nodeid="2"/><br>
>> > </clusternodes><br>
>> > <fencedevices><br>
>> > <fencedevice agent="fence_ipmilan" auth="password"<br>
>> > ipaddr="REDACTED" login="admin" name="Mario_RSA" passwd="REDACTED"/><br>
>> > <fencedevice agent="fence_ipmilan" auth="password"<br>
>> > ipaddr="REDACTED" login="admin" name="Luigi_RSA" passwd="REDACTED"/><br>
>> > </fencedevices><br>
>> > <rm><br>
>> > <failoverdomains><br>
>> > <failoverdomain name="Mario_Preferred"<br>
>> > nofailback="1" ordered="1"><br>
>> > <failoverdomainnode<br>
>> > name="mario.REDACTED.REDACTED" priority="1"/><br>
>> > <failoverdomainnode<br>
>> > name="luigi.REDACTED.REDACTED"/><br>
>> > </failoverdomain><br>
>> > </failoverdomains><br>
>> > <resources><br>
>> > <ip address="REDACTED" sleeptime="10"/><br>
>> > <clusterfs device="/dev/vg_moodle/moodle_lv"<br>
>> > force_unmount="on" fsid="27336" fstype="gfs2" mountpoint="/srv"<br>
>> > name="moodle_gfs" options="rw,noatime,_netdev"/><br>
>> > <script file="/etc/init.d/httpd" name="Httpd"/><br>
>> > </resources><br>
>> > <service domain="Mario_Preferred" name="moodle_service"<br>
>> > recovery="relocate"><br>
>> > <clusterfs ref="moodle_gfs"/><br>
>> > <ip ref="REDACTED"/><br>
>> > <script ref="Httpd"/><br>
>> > </service><br>
>> > </rm><br>
>> > <cman expected_votes="1" two_node="1"/><br>
>> > </cluster><br>
>> ><br>
>> > _______________________________________________<br>
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>><br>
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><br>
><br>
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