[Linux-HA] Solution for Auto-Mount/Unmount an Ext3 Filesystem

[Mozafar Roshany]

Thanks Karl. It did worked. This made me familiar with the details of
Heartbeat configuration.

And Thank you David for that nice point. I did that by "tune2fs -i 0
/dev/sda3".


Karl wrote:
>
> I use just such a set-up on a three node cluster of web-servers, the disk
> system gets mounted automatically on the active node.  (The SAN serves it
> up
> to all three, and any of the three can mount it, but the resource agent
> sees
> to it that it is only mounted by one node at a time.)
>
> Mine looks something like this:
>
>       <primitive class="ocf" id="My_Disk" provider="heartbeat"
> type="Filesystem">
>         <operations>
>           <op id="My_Disk_mon" interval="25s" name="monitor"
> timeout="50s"/>
>         </operations>
>         <instance_attributes id="My_Disk_inst_attr">
>             <nvpair id="My_Disk_dev" name="device" value="/dev/sdb1"/>
>             <nvpair id="My_Disk_mountpoint" name="directory"
> value="/path_to_mount"/>
>             <nvpair id="My_Disk_fstype" name="fstype" value="ext3"/>
>             <nvpair id="My_Disk_status" name="target_role"
> value="started"/>
>         </instance_attributes>
>       </primitive>
>
> David wrote:
>
> >>> On 5/29/2010 at 04:54 AM, Mozafar Roshany <mzfroshany at gmail.com>
> wrote:
> >  I've a mail system with two active/passive nodes using Heartbeat; these
> two
> > servers use an ext3 partition on SAN storage for mailboxes. I want that
> > partition always be mounted on the active node. I mean when node switch
> > occurs for any reason, the partition be mounted/unmounted on
> > new-active/pre-active server automatically. I saw the Filesystem
> resource;
>
> Filesystem is the right one. If you're using EXT3, you'll also want to look
> at tune2fs to ensure that you don't have an extended unplanned outage as ext
> spends time with fsck if it  hasn't been run lately.
>