First, scp /etc/lvm/backup/VGWATSON (the origin VG that was cloned) to the backup media server (intermezzo). Also get its PV uuid:
# pvscan -u | grep VGWATSON
PV /dev/sdae1 with UUID ZRcfam-06Ay-Ddby-f9lM-Pdkt-Pzqn-f0AB2T VG VGWATSON lvm2 [420.00 GB / 92.50 GB free]
Then execute the following on the backup media server (intermezzo):
# parted /dev/sdz set 1 lvm on
This activates its partition table and /dev/sdz1 becomes available. I will need to add to my script the whereabouts of this device, as it may 'walk' from a reboot, i.e., use powermt display dev=all and search for its CLARiiON ID.
# pvcreate --restorefile ./VGWATSON --uuid ZRcfam-06Ay-Ddby-f9lM-Pdkt-Pzqn-f0AB2T /dev/sdz1
# vgrename VGWATSON VGWATSON-CLONE
# vgchange -a y /dev/VGWATSON-CLONE
On Tue, 2007-04-03 at 12:52 -0400, rhurst@xxxxxxxxxxxxxxxxx wrote:
I am having problems making a clustered VG visible on a backup media server.
The originating RHEL cluster issues the CLARiiON cloning process, and it completes successfully, to another volume. That clone volume LUN is visible to the backup media server (outside of the cluster) only.
Q1: What do I need to do on the backup media server's LVM to activate this newly-made VG? vgscan --mknodes is not helping any, but I do see some SCSI references, i.e., /dev/sdz to its 420GB sized disk. Is there a safe way to vgexport / vgimport the original VG map to this server?
Q2: I loaded GFS software on the backup media server, so do I need to modify the VG's lvols superblock to a changed PROTO value of nolock to make it mountable for backup?
Thanks.
|
Robert Hurst, Sr. Caché Administrator Beth Israel Deaconess Medical Center 1135 Tremont Street, REN-7 Boston, Massachusetts 02120-2140 617-754-8754 ∙ Fax: 617-754-8730 ∙ Cell: 401-787-3154 Any technology distinguishable from magic is insufficiently advanced. |
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