From: Thomas Northup (thomaslnorthup@yahoo.com)
Date: Fri Nov 07 2003 - 16:16:15 EST
Admins,
I have already installed MirrorDisk/UX 11.00 on my HP-UX 11.00 system and now I want to create the mirrors.
I have outlined the steps that I think I need to take below. Have I missed anything? Is there anything in the steps that are not necessary?
Thanks
Tom
# ioscan -fnC disk
Class I H/W Path Driver S/W State H/W Type Description
=====================================================================
disk 0 0/0/1/1.2.0 sdisk CLAIMED DEVICE HP 73.4GMAN3735MC
/dev/dsk/c1t2d0 /dev/rdsk/c1t2d0
disk 1 0/0/2/0.2.0 sdisk CLAIMED DEVICE HP 73.4GATLAS10K3_73_SCA
/dev/dsk/c2t2d0 /dev/rdsk/c2t2d0
Note: c1t2d0 is the boot disk and c2t2d0 is the mirrored disk.
1) Initialize the disk and make it bootable
pvcreate -B /dev/rdsk/c2t2d0
Note: the -B parameter tells pvcreate that this will be a bootable disk.
2) Add the physical volume to the volume group
vgextend /dev/vg00 /dev/dsk/c2t2d0
3) Use mkboot to place the boot utilities in the boot area and add the AUTO file.
mkboot /dev/dsk/c2t2d0
mkboot -a "hpux -lq" /dev/rdsk/c2t2d0
4) Use mkboot to update the AUTO file on the primary boot disk.
mkboot -a "hpux -lq" /dev/rdsk/c1t2d0
5) Mirror the stand, root and swap logical volumes
lvextend -m 1 /dev/vg00/lvol1
lvextend -m 1 /dev/vg00/lvol2
lvextend -m 1 /dev/vg00/lvol3
Note: LVM will resynchronize the new mirror copies.
Repeat the lvextend for all other logical volumes on the boot mirror.
lvextend -m 1 /dev/vg00/lvol4
lvextend -m 1 /dev/vg00/lvol5
lvextend -m 1 /dev/vg00/lvol6
lvextend -m 1 /dev/vg00/lvol7
lvextend -m 1 /dev/vg00/lvol8
6) Modify your alternate boot path to point to the mirror copy of the boot disk.
Note: Use the Hardware path for your new boot disk.
setboot -a 0/0/2/0.2.0
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