Raja Subramanian wrote:
> Hi All,
>
> My CentOS 5.1 server is using iSCSI attached disks connecting
> to a dual controller storage array. I have also configured multipathd
> to manage the multiple paths. Everything works well, and on
> boot the dev nodes are automatically created in /dev/mapper.
> On these devices, I have created logical volumes using lvm2.
>
> My problem is that lvm does not recognize these iscsi/multipath
> volumes on boot up. I need to manually run "vgchange -ay"
> and mount the logical volumes by hand.
>
> I tried running the vgchange and mount commands from
> /etc/rc.local, but that has no effect. I have verified that
> /etc/rc.local itself is executing correctly.
>
> What do I need to put in my boot up scripts so logical volumes
> in iscsi/multipathd devices are automatically recognized on boot?
Check out: http://people.redhat.com/mchristi/iscsi/RHEL4/doc/readme
I think the key here is to add the _netdev option in fstab for
those filesystems over iSCSI, even using LVM.
-Ross
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