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тАО12-20-2011 08:38 AM - edited тАО12-21-2011 05:25 AM
тАО12-20-2011 08:38 AM - edited тАО12-21-2011 05:25 AM
We have a 3PAR array with quite a few disks presented to a host. We did a couple of DLEs on the host without issue. But on the 3rd attempt HPUX could not see the drive size change. I did some googling and found it is an issue with 3PAR firmware not sending a UA to the host. The only work arounds seem to be a reboot, or a hba reset. Both of which I am not wild about doing. I am curious if any one else has seen this issue and if they have a work around that does not require a reboot. We are working to see if there is a newer firmware release. But until then it's just another day in paradise.
Solved! Go to Solution.
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тАО12-20-2011 10:53 AM
тАО12-20-2011 10:53 AM
Re: 3PAR, HPUX, and DLE
Hope this helps!
Regards
Torsten.
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тАО12-21-2011 05:07 AM
тАО12-21-2011 05:07 AM
Re: 3PAR, HPUX, and DLE
All I know about the 3par is that it is a V400 with 3.1.1 of the OS. I am running 11.31 with the latest Sept. 2011 patch bundle. vgmodify will not work since hpux cannot see the change in the disk size.
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тАО12-21-2011 05:19 AM
тАО12-21-2011 05:19 AM
Re: 3PAR, HPUX, and DLE
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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No support by private messages. Please ask the forum!
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тАО12-21-2011 07:03 AM
тАО12-21-2011 07:03 AM
SolutionI have. Apparently it is a 3par firmware issue. They provided the options of rebooting or reseting the hbas. But I hae indeed found another workaround. I ran a vgmodify and set the max pv and extents to one level higher and once the change was complete the new disk size was seem by the os. Here is an example of what I am refering to:
/dev/disk/disk248 has already been expanded on the array to 600GB
This is the outout form a script I wrote:
/dev/rdisk/disk248 "01404928" 0x50002ac000301340 "3PARdata" 576716800
the size shows 550GB (576716800). And here is the vgmodify output:
urrent Volume Group settings:
Max LV 255
Max PV 11
Max PE per PV 18940
PE Size (Mbytes) 32
VGRA Size (Kbytes) 1712
VGRA space (Kbytes) on Physical Volumes with extents in use:
PV current -n
/dev/rdisk/disk248 1728 32768
Summary 1728 32768
Volume Group optimized settings (no PEs renumbered):
max_pv(-p) max_pe(-e) Disk size (Mb)
3 65535 2097121
4 52732 1687425
5 41980 1343361
6 35068 1122177
7 29948 958337
8 26364 843649
9 23292 745345
10 20988 671617
11 18940 606081 <===CURRENT SETTINGS
12 17404 556929
13 16124 515969
As you can see, if the disk change could be seen by the OS, I could jsut do a vgmodify -a -E and all should be good. But the work around is to change the maxpv to 10 and extents to 20988. Once that is complete the OS sees the new disk size.
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тАО05-02-2012 12:12 PM
тАО05-02-2012 12:12 PM
Re: 3PAR, HPUX, and DLE
What can I do in VG version 2.1??
vgmodify -e or vgmodify -p is not supported for this version of VG.