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тАО12-11-2003 02:17 PM
тАО12-11-2003 02:17 PM
I Have a 2 volume groups (vg00,vg01) on a server with 18 gb internal disks, hpux 11.0,i get a server on dr-site with 1 72 gb internal disk,how can i plan for both vg's on the same disk...is it possible both vg's on 72 gb disk...pls give ur valuable suggestions/hints
Thx in advance
Solved! Go to Solution.
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тАО12-11-2003 02:20 PM
тАО12-11-2003 02:20 PM
Re: vg's on single disk
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тАО12-11-2003 02:38 PM
тАО12-11-2003 02:38 PM
Re: vg's on single disk
What I would suggest if you can only have the 1 disk on your DR system, is to just create additional LVs in VG00 for you VG01 data from your production machine, mount those LVs as you would on your production system, and restore the data normally.
I don't normally like having non-OS data on VG00, but when you are working in a DR situation sometimes you have to compromise.
Good luck!
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тАО12-11-2003 04:18 PM
тАО12-11-2003 04:18 PM
Re: vg's on single disk
You may need to consider mirroring your root VGs too. Another thing to remember is your Ignite recovery tape that would be created from the 72GB. If you are going to use that for data storage too, it will be a much bigger archive that will delay your recovery in case of a crash. (You can exclude directories you don't want to be in the recovery tape though).
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тАО12-11-2003 05:00 PM
тАО12-11-2003 05:00 PM
Re: vg's on single disk
There are few rules of LVM and first is
1.One disk can not be part of only one Volume group.
2.One Logical volume can not span across Volume groups.
Sunil
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тАО12-11-2003 05:37 PM
тАО12-11-2003 05:37 PM
Re: vg's on single disk
Maybe someone here will more knowledge about these things could say if it is actually possible to partition the disk and have each partition in a separate volume group. I've never heard of anybody doing that on HPUX and it probably isn't possible but if it is, it could solve your problem.
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тАО12-12-2003 01:12 AM
тАО12-12-2003 01:12 AM
Re: vg's on single disk
here's some links for you:
http://docs.hp.com/cgi-bin/otsearch/getfile?id=/hpux/onlinedocs/939/KCParms/KCparam.LVMparmsOverview.html&searchterms=lvm&queryid=20031212-070848
http://docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/5187-2216/5187-2216_top.html&con=/hpux/onlinedocs/5187-2216/00/00/53-con.html&toc=/hpux/onlinedocs/5187-2216/00/00/53-toc.html&searchterms=Disks%7cUsing%7cthe%7cLogical%7cVolume%7cManager%7cManaging&queryid=20031212-071120
Rgds...Geoff
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тАО12-12-2003 03:09 AM
тАО12-12-2003 03:09 AM
Re: vg's on single disk
Now My question is vg00 will get restored from ignite image (make_recovery)
I am lucky here that it fits into the single 72 gb data volumes
so i need to increase the vg00 max PE so that i can accomadate the vg01 lv's
As current Max PE per PV is 4350 and i need to increase +2170
i need to know how to proceed here
Thx in advace
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тАО12-12-2003 03:14 AM
тАО12-12-2003 03:14 AM
SolutionOne thing you may have a problem with on a disk that large though the PE Size. It may be too small.
Your best bet would be to install from the Ignite tape interactively and verify and change the VG parameters as appropriate.
You could even go ahead and have it create your extra LVs at this point as well.
Good luck.