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тАО04-28-2010 08:48 PM
тАО04-28-2010 08:48 PM
Re: Cannot Add alternate PV to a VG
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тАО04-29-2010 12:43 AM
тАО04-29-2010 12:43 AM
Re: Cannot Add alternate PV to a VG
Deinstall powerpath and try again. In the past powerpath was not supported on HP-UX 11.31, so could be a reason for youre strange results..
Greetz,
Chris
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тАО04-29-2010 12:55 AM
тАО04-29-2010 12:55 AM
Re: Cannot Add alternate PV to a VG
What does all this means? if I have dual path in my server link to the DMX or clariion, in the DSF description i should see only one disk like "/dev/disk/disk65" only and no second disk link like in the lageacy lvm?
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тАО04-29-2010 01:40 AM
тАО04-29-2010 01:40 AM
Re: Cannot Add alternate PV to a VG
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тАО04-29-2010 02:49 AM
тАО04-29-2010 02:49 AM
Re: Cannot Add alternate PV to a VG
Hope this helps!
Regards
Torsten.
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тАО04-29-2010 09:07 AM
тАО04-29-2010 09:07 AM
Re: Cannot Add alternate PV to a VG
Multi-pathing is native to HP-UX 11i v3. It is built in to the mass storage subsystem and it is available to applications without any special configuration. Pre-11i v3 multi-pathing add-on products are no longer necessary on HP-UX 11i v3.
Native multi-pathing offers the following features:
├в ┬в
optimal distribution of I/O traffic across lunpaths to LUNs,
├в ┬в
dynamic discovery of lunpaths and LUNs,
├в ┬в
automatic monitoring of lunpaths,
├в ┬в
automatic lunpath failover and recovery,
├в ┬в
intelligent I/O retry algorithms to deal with failed lunpaths,
├в ┬в
lunpath authentication to avoid data corruption.
The attached document describes native multi-pathing in detail including examples. Hope this helps...
RCP
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тАО05-06-2010 07:59 PM
тАО05-06-2010 07:59 PM
Re: Cannot Add alternate PV to a VG
# vgextend /dev/vg01 /dev/dsk/c19t8d1
Verification of unique LVM disk id on each disk in the volume group
/dev/vg01 failed.
Following are the sets of disks having identical LVM disk id
/dev/dsk/c15t8d1 /dev/dsk/c19t8d1
== > This is the known issue with EMC storage firmware.
== > Refer the below document for the reference.
--------------------------------------------
HP-UX 11.31 - LVM: vgextend Fails with "Verification of unique LVM disk id on each disk in the volume group
ISSUE:
I created a volume group using persistent device files, but I cannot vgextend the alternate links into the volume group. The following error message is received:
# vgextend /dev/vg02 /dev/dsk/c8t0d5 /dev/dsk/c8t0d6 /dev/dsk/c8t0d7 /dev/dsk/c8t1d0
Verification of unique LVM disk id on each disk in the volume group /dev/vg02 failed.
Following are the sets of disks having identical LVM disk id
/dev/dsk/c6t0d5 /dev/dsk/c8t0d5
/dev/dsk/c6t0d6 /dev/dsk/c8t0d6
/dev/dsk/c6t0d7 /dev/dsk/c8t0d7
/dev/dsk/c6t1d0 /dev/dsk/c8t1d0
What is the source of this error? How do I correct it?
CONFIGURATION:
HP-UX 11.31
Storage array: EMC
SOLUTION:
Investigation of the error identified that the error message was due to a the version of firmware on the array.
Footnote 2 on page 7762 of the document titled EMC Support Matrix states the following:
"SPC-2 is required on Symmetrix FA director for HP-UX 11i v3
Check for:
SPC protocol revision = 4 .
If the revision is 2, the DMX SPC needs to have a firmware upgrade.
After upgrading the firmware (requires EMC assistance), the problem was resolved.
### END ###
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