on 6-19-2008 11:42 AM Raja Subramanian spake the following:
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?
TIA!
- Raja
LVM initialization is fairly early in the init. It is probably running long before your iscsi connector is starting. Maybe you could try moving its startup earlier?