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тАО12-10-2003 10:42 PM
тАО12-10-2003 10:42 PM
I am trying to mirror my increased logical volume using SAM.
Increased from 10G to 20G, reastablish mirror, it says:
The command used to extend logical volumes, /sbin/lvextend, has failed. The stderr output from the command is shown below. The logical volume has not been extended.
lvextend: Not enough free physical extents available. Logical volume "/dev/vg00/lvol10" could not be extended. Failure possibly caused by strict allocation policy.
What now??
I need my mirror...
Solved! Go to Solution.
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тАО12-10-2003 10:47 PM
тАО12-10-2003 10:47 PM
Re: Unable to mirror logical volume
Pete
Pete
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тАО12-10-2003 10:47 PM
тАО12-10-2003 10:47 PM
Re: Unable to mirror logical volume
Is the lvol striped? Did you use pvg's ?
Gideon
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тАО12-10-2003 10:54 PM
тАО12-10-2003 10:54 PM
Re: Unable to mirror logical volume
Thanx for being so quick again!
Uploaded are both output's.
I find nothing strange about them. It just feels like it wants the mirror-copy to be contiguous on the mirror-disk, and it cannot do this. I don't want it either!!
Thanx,
Regards,
Jan
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тАО12-10-2003 10:56 PM
тАО12-10-2003 10:56 PM
Re: Unable to mirror logical volume
Like Pete said, there could be various reasons why you can not mirror the logical volume, below you will find a link to good doc from the itrc database.
http://www4.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000062683957
lvextend: Not enough free physical extents available DocId: KBAN00000084
Hope this helps,
Robert-Jan
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тАО12-10-2003 10:57 PM
тАО12-10-2003 10:57 PM
Re: Unable to mirror logical volume
your logical volune already uses both disks in the volume group. Therefore you cannot mirror to a separate disk, which is what strict allocation policy requires.
regards,
John K,
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тАО12-10-2003 11:01 PM
тАО12-10-2003 11:01 PM
Re: Unable to mirror logical volume
I need to remove the second (mirror) disk from the lv-definitions and re-insert it?
With something like lvreduce orso?
Regards,
Jan
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тАО12-10-2003 11:39 PM
тАО12-10-2003 11:39 PM
SolutionLvol10 already occupies both physical volumes, and there's no space left on one of them: /dev/dsk/c1t15d0. Without going through a very extensive rearrangement of your logical volumes, the only alternative I see is to change the allocation policy to non strict (lvchange -s n
Pete
Pete
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тАО12-10-2003 11:54 PM
тАО12-10-2003 11:54 PM
Re: Unable to mirror logical volume
The basic problem is that you really don't have enough space to mirror such a big lv, even without strict policy. Your maximum possible size is 262+1976 PE = 17904Mo. Or same result with
Total PE 8680 = 69440Mo
Total used without lvol10 = 6704-2500 PE = 33632Mo
Available per mirror copy for lvol10 = (69440-33632)/2 = 17904 Mo
So 20000 Mo is too much in this vg.
Regards.
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тАО12-11-2003 12:03 AM
тАО12-11-2003 12:03 AM
Re: Unable to mirror logical volume
Pete
Pete