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тАО05-25-2007 08:35 AM
тАО05-25-2007 08:35 AM
Solved! Go to Solution.
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тАО05-25-2007 08:43 AM
тАО05-25-2007 08:43 AM
Re: Extend existing physical volume
~hope it helps
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тАО05-25-2007 08:48 AM
тАО05-25-2007 08:48 AM
Solution- Tags:
- vgmodify
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тАО05-25-2007 10:09 AM
тАО05-25-2007 10:09 AM
Re: Extend existing physical volume
Considering the limitations, is there an special reason for this?
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тАО05-25-2007 10:37 AM
тАО05-25-2007 10:37 AM
Re: Extend existing physical volume
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тАО06-06-2007 05:07 PM
тАО06-06-2007 05:07 PM
Re: Extend existing physical volume
Refer to the following Technical Knowledge Base document for specific information about the vgmodify command and Max PE per PV - http://www2.itrc.hp.com/service/cki/docDisplay.do?docLocale=en&docId=emr_na-c0
1007548-1
Kathy
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тАО07-17-2012 12:46 PM
тАО07-17-2012 12:46 PM
Re: Extend existing physical volume
HI i am new in HP unix, but the simmilar issue i am facing, i have 100gb of disk and 50gb of PV is created on it and same as 50gb VG is created on it now i want to extend the VG size. how can i do it.
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тАО07-18-2012 07:18 AM
тАО07-18-2012 07:18 AM
Re: Extend existing physical volume
Sandeepbsc25, you should have opened your own thread (with the "New Post" button at the top of the thread list view) instead of continuing an old thread. And you should provide some basic information:
- the HP-UX version you're using (run "uname -a")
- the "vgdisplay -v" information of the VG you're planning to extend.
The HP-UX version will determine if the "vgmodify" command is available or not.
The "vgdisplay -v" output will help us give you the exact commands you'll need, and it will allow us to check several important parameters of the VG.
If the "Max PE per PV" and "PE size" parameters are big enough to handle a 100 GB disk, all you need is to make the LVM aware of the increased PV size. Run "man vgmodify" and read the parts with title "Reconfigure a VG to account for Dynamic LUN Expansion".
If the value of (Max PE per PV * PE size) is less than 100gb, you'll have to unmount & deactivate the VG and then use vgmodify to increase the "Max PE per PV" value. In this case, run "man vgmodify" and read all of it.
The "PE size" parameter is selected at VG creation time, and cannot be modified after that.
If your HP-UX is older than 11.31, it may not have the vgmodify command. If the HP-UX version is 11.23, you can get vgmodify by installing some patches. If it is 11.11 or older, you may have to backup the data in the VG, then destroy the VG and re-create it with bigger parameter values, and restore the data. If you'll need to do this, make sure you won't have to do it ever again for this VG: choose the parameters so that the VG can take even more/bigger PVs in the future, if necessary.