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тАО05-08-2008 04:44 AM
тАО05-08-2008 04:44 AM
checking availability of pvlink
how can i check the availybitity of a pvlink. After i change the status with pvchange -a n /dev/dsk/c13t0d0 i don't see a diverence with pvdisplay.
Thanks !
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тАО05-08-2008 04:54 AM
тАО05-08-2008 04:54 AM
Re: checking availability of pvlink
ioscan -fnC disk
insf -C disk
That should get things visible.
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тАО05-08-2008 05:09 AM
тАО05-08-2008 05:09 AM
Re: checking availability of pvlink
I see the disk. But when i detach a disk with pvchange -a n , how can i see that this disk (or pvlink) is detached ??
When i detached a disk and his pvlinks , i see it with pvdisplay "PV Stauts unavailable"
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тАО05-08-2008 06:34 AM
тАО05-08-2008 06:34 AM
Re: checking availability of pvlink
Please read the man page!
http://docs.hp.com/en/B2355-60130/pvchange.1M.html
(this is 11.31, but anyway ...)
"...
A detached path is not available for LVM to use
..."
If you detach, let's say a disk from vg00 and run
vgdisplay -v vg00
you will see this disk as
unavailable!
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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тАО05-08-2008 10:49 PM
тАО05-08-2008 10:49 PM
Re: checking availability of pvlink
PV Name /dev/dsk/c13t0d4 Alternate Link
PV Name /dev/dsk/c17t0d4 Alternate Link
PV Name /dev/dsk/c19t0d4 Alternate Link
PV Status available
Total PE 638
Free PE 446
Autoswitch On
Proactive Polling Off
c15t0d4 is primary path. after
pvchange -a n /dev/dsk/c15t0d4
Warning: Detaching a physical volume reduces the availability of data
within the logical volumes residing on that disk.
Prior to detaching a physical volume or the last available path to it,
verify that there are alternate copies of the data
available on other disks in the volume group.
If necessary, use pvchange(1M) to reverse this operation.
Physical volume "/dev/dsk/c15t0d4" has been successfully changed.
PV Name /dev/dsk/c13t0d4
PV Name /dev/dsk/c15t0d4 Alternate Link
PV Name /dev/dsk/c17t0d4 Alternate Link
PV Name /dev/dsk/c19t0d4 Alternate Link
PV Status available
Total PE 638
Free PE 446
Autoswitch On
Proactive Polling Of
now c15t0d4 is detach and alernate link. but how can i check , after a week or so , that c15t0d4 was detached.
when i detach the other one (c13.., c17.., c19..) the pv status change to unavailable. this should not happen !!!
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тАО05-08-2008 11:28 PM
тАО05-08-2008 11:28 PM
Re: checking availability of pvlink
Why not?
The reason for this command is to prevent any LVM access to a disk in order to replace the disk.
See
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad.pdf
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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тАО05-08-2008 11:40 PM
тАО05-08-2008 11:40 PM
Re: checking availability of pvlink
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тАО05-09-2008 12:19 AM
тАО05-09-2008 12:19 AM
Re: checking availability of pvlink
pvchange -a N ...
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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тАО05-09-2008 12:40 AM
тАО05-09-2008 12:40 AM
Re: checking availability of pvlink
VG DISK CLARIION SP IP ALTERLINK LUN LUNDEZ HWP
vg11 - c15t0d4 - CKxxxxxxxxx - A - xxx.xx.xx.xxx - - 0x00e4 - 228 - 42.13
vg11 - c13t0d4 - CKxxxxxxxxx - B - xxx.xx.xx.xxx - Alternate - 0x00e4 - 228 - 41.13
vg11 - c17t0d4 - CKxxxxxxxxx - A - xxx.xx.xx.xxx - Alternate - 0x00e4 - 228 - 61.13
vg11 - c19t0d4 - CKxxxxxxxxx - B - 172.30.14.214 - Alternate - 0x00e4 - 228 - 62.13
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тАО05-09-2008 01:54 AM
тАО05-09-2008 01:54 AM
Re: checking availability of pvlink
In this case the software may work below the pvlinks level - this is the place where you need to look.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
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тАО05-09-2008 03:06 AM
тАО05-09-2008 03:06 AM
Re: checking availability of pvlink
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тАО05-09-2008 04:12 AM
тАО05-09-2008 04:12 AM
Re: checking availability of pvlink
What is your storage model ?
You can use AutoPath or SecurePath.
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тАО05-09-2008 04:14 AM
тАО05-09-2008 04:14 AM
Re: checking availability of pvlink
No pwerpath only hp-ux 11.11 .
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тАО05-09-2008 04:36 AM
тАО05-09-2008 04:36 AM
Re: checking availability of pvlink
VG DISK CLARIION SP IP ALTERLINK LUN LUNDEZ HWP
vg11 - c15t0d4 - CKxxxxxxxxx - A - xxx.xx.xx.xxx - - 0x00e4 - 228 - 42.13
vg11 - c13t0d4 - CKxxxxxxxxx - B - xxx.xx.xx.xxx - Alternate - 0x00e4 - 228 - 41.13
vg11 - c17t0d4 - CKxxxxxxxxx - A - xxx.xx.xx.xxx - Alternate - 0x00e4 - 228 - 61.13
vg11 - c19t0d4 - CKxxxxxxxxx - B - 172.30.14.214 - Alternate - 0x00e4 - 228 - 62.13
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!

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тАО05-09-2008 04:39 AM
тАО05-09-2008 04:39 AM
Re: checking availability of pvlink
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тАО05-13-2008 07:51 AM
тАО05-13-2008 07:51 AM
Re: checking availability of pvlink
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тАО05-26-2008 10:03 PM
тАО05-26-2008 10:03 PM
Re: checking availability of pvlink
Thanks all !!!