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тАО09-24-2007 08:56 AM
тАО09-24-2007 08:56 AM
Re: Mirror help needed (testing mirrored disk)
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тАО09-24-2007 09:01 AM
тАО09-24-2007 09:01 AM
Re: Mirror help needed (testing mirrored disk)
> it safe to lvreduce while the server's online with users logged in running jobs.
Yes.
You can also safely mirror while your users are operating normally.
Regards!
...JRF...
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тАО09-25-2007 04:09 AM
тАО09-25-2007 04:09 AM
Re: Mirror help needed (testing mirrored disk)
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тАО09-25-2007 04:51 AM
тАО09-25-2007 04:51 AM
Re: Mirror help needed (testing mirrored disk)
More then likely, he missed step 6:
Say /dev/dsk/c0t6d0 is the root disk and /dev/dsk/c3t6d0 is the disk you want to make a mirror of.
1. Create a bootable LVM disk to be used for the mirror.
pvcreate -B /dev/rdsk/c3t6d0
2. Add this disk to the current root volume group.
vgextend /dev/vg00 /dev/dsk/c3t6d0
3. Make the new disk a boot disk.
mkboot -l /dev/rdsk/c3t6d0
4. Copy the correct AUTO file into the new LIF area.
mkboot -a "hpux -lq (;0)/vmunix" /dev/rdsk/c3t6d0
5. Mirror the boot, root and primary swap logical volumes to the new
bootable disk. Ensure that all devices in vg00, such as /usr, /swap,
etc., are mirrored.
The following is an example of mirroring the boot logical volume:
lvextend -m 1 /dev/vg00/lvol1 /dev/dsk/c3t6d0
The following is an example of mirroring the primary swap logical
volume:
lvextend -m 1 /dev/vg00/lvol2 /dev/dsk/c3t6d0
The following is an example of mirroring the root logical volume:
lvextend -m 1 /dev/vg00/lvol3 /dev/dsk/c3t6d0
6. Update the boot information contained in the BDRA for the mirror
copies of boot, primary swap and root.
/usr/sbin/lvlnboot -b /dev/vg00/lvol1
/usr/sbin/lvlnboot -s /dev/vg00/lvol2
/usr/sbin/lvlnboot -r /dev/vg00/lvol3
7. Check if the BDRA is correct.
/usr/sbin/lvlnboot -R /dev/vg00
8. Verify that the mirrors were properly created.
lvlnboot -v /dev/vg00
The output of this command is shown in a display like the following:
Boot Definitions for Volume Group /dev/vg00:
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c0t6d0 (1/0/0/3/0.6.0) -- Boot Disk
/dev/dsk/c3t6d0 (1/0/1/0/0/1/1.6.0) -- Boot Disk
Boot: lvol1 on: /dev/dsk/c0t6d0
/dev/dsk/c3t6d0
Root: lvol3 on: /dev/dsk/c0t6d0
/dev/dsk/c3t6d0
Swap: lvol2 on: /dev/dsk/c0t6d0
/dev/dsk/c3t6d0
Dump: lvol2 on: /dev/dsk/c0t6d0, 0
vgdisplay -v vg00
Then lvextend for all other lvols:
lvextend -m 1 /dev/vg00/lvol4 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol5 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol6 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol7 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol8 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol9 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol10 /dev/dsk/c3t6d0
lvextend -m 1 /dev/vg00/lvol11 /dev/dsk/c3t6d0
Rgds...Geoff
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тАО09-27-2007 05:41 AM
тАО09-27-2007 05:41 AM
Re: Mirror help needed (testing mirrored disk)
# mkboot -a "hpux -lq" /dev/rdsk/c0t5d0
can I still run that command even though I'm done going through the guide. Thanks
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тАО09-27-2007 05:51 AM
тАО09-27-2007 05:51 AM
Re: Mirror help needed (testing mirrored disk)
Yes, you can run 'mkboot' to set the low quorum.
Regards!
...JRF...
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тАО10-11-2007 11:15 PM
тАО10-11-2007 11:15 PM
Re: Mirror help needed (testing mirrored disk)
you want to use -B option with pvcreate command
then vgextend to the root vg
then lvextend one by one lvs with -m 1 option
Pls cross check u did all these steps properly
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тАО10-13-2007 05:39 AM
тАО10-13-2007 05:39 AM
Re: Mirror help needed (testing mirrored disk)
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тАО10-17-2007 05:34 AM
тАО10-17-2007 05:34 AM
Re: Mirror help needed (testing mirrored disk)
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