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тАО11-05-2010 02:06 AM
тАО11-05-2010 02:06 AM
We have a production server with a lot of VGs with SAN (IBM DS) LUNS.
In this case one of the VGs has one PV (on a 250 GB SAN lun).
The Storage folks have increased the capacity of this LUN to 400 GB... but i perform "ioscan -fn" and "insf -e" and I cant see the new size, diskinfo still reports 250...
Whats happening? Any chance of solving this without rebooting the box?
Regards,
Solved! Go to Solution.
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тАО11-05-2010 02:21 AM
тАО11-05-2010 02:21 AM
Re: LUN increase.
If you are using HP-UX 11.31, you can use vgmodify command
# vgmodify -r -E -a
If review is ok, then execute the command without -r
# vgmodify -E -a
If you are having HP-UX 11.23 with vgmodify command installed, the also you can use the above same command.
Shibin
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тАО11-05-2010 02:22 AM
тАО11-05-2010 02:22 AM
Re: LUN increase.
Most important: What OS is running?
In case of 11.11 - no way other than recreate the VG.
In case of 11.23 - it must be patched to have "vgmodify" available.
In case of 11.23/11.31 you need to use "vgmodify" to adjust the LVM structure.
In case of 11.31 you (maybe) need to use scsimgr too.
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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тАО11-05-2010 02:32 AM
тАО11-05-2010 02:32 AM
SolutionAdd on ,
The document below will explain you perfectly.
"Using the vgmodify command to perform LVM Volume
Group Dynamic LUN Expansion (DLE) and Contraction
(DLC)"
http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01920387/c01920387.pdf
Regards,
Sooraj
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тАО11-05-2010 02:32 AM
тАО11-05-2010 02:32 AM
Re: LUN increase.
sdprdb1@root:/sbin/>vgmodify -r -E -a /dev/vgbackora
Usage: vgmodify
[-e MaxPhysicalExtents]
[-p MaxPhysicalVolumes]
[-l MaxLogicalVolumes]
[-v]
[-n]
[-r]
[-B bootable]
VolumeGroupName {[pv_path] [pv_path] ....}
or vgmodify -o [-v] [-r] [-B bootable] VolumeGroupName {[pv_path] ....}
or vgmodify -t [-v] [-n] [-B bootable] VolumeGroupName {[pv_path] ....}
"E": Illegal option.
Any solution to this??
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тАО11-05-2010 02:46 AM
тАО11-05-2010 02:46 AM
Re: LUN increase.
Hope this helps!
Regards
Torsten.
__________________________________________________
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those who understand binary, and those who don't.
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тАО11-05-2010 02:47 AM
тАО11-05-2010 02:47 AM
Re: LUN increase.
HPUX11i-OE B.11.23.0712 HP-UX Foundation Operating Environment Component
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тАО11-07-2010 12:32 AM
тАО11-07-2010 12:32 AM
Re: LUN increase.
# vgmodify -r -a -E
If that too not working, something is wrong with your patch version of vgmodify.
Your patch PHCO_35524 or PHCO_40920 is in correct state?
As far as I know, HP-UX 11.23 vgmodify won't support online DLC.
Also noted from your description of error, it is not supporting online DLE. In this case, you need to de-activate VG and use offline DLE.
1. diskinfo
2. vgchange -a n
3. vgmodify -r -e
4. vgchange -a y
Read.
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01920387/c01920387.pdf
Shibin
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тАО11-07-2010 11:53 PM
тАО11-07-2010 11:53 PM
Re: LUN increase.
Thanks!