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тАО05-29-2007 01:05 PM
тАО05-29-2007 01:05 PM
Unable to extent the physical volume
Scenario HPUX 11i version
I have created a volume group using 5 physical disks and then moved all my data to 5 new physical disks successfully. The new physical disks [3GB] have more space than the previous one [2GB] but I not able to extent the physical volumes.
I tried the following steps to extend my physical volume but not succeeded in doing so:
1- # pvchange -x y /dev/dsk/c13t0d0
Physical volume "/dev/dsk/c13t0d0" has been successfully changed.
Volume Group configuration for /dev/vghds has been saved in /etc/lvmconf/vghds.conf
2- # vgextend -x y /dev/vghds /dev/dsk/c15t0d0
Current path "/dev/dsk/c15t0d0" is an alternate link, skip.
Current path "/dev/dsk/c15t0d1" is an alternate link, skip.
Current path "/dev/dsk/c15t0d2" is an alternate link, skip.
Current path "/dev/dsk/c15t0d3" is an alternate link, skip.
Current path "/dev/dsk/c15t0d4" is an alternate link, skip.
vgextend: The physical volume "/dev/dsk/c15t0d0" is already recorded in the "/etc/lvmtab" file.
3- # vgdisplay -v vghds
--- Volume groups ---
VG Name /dev/vghds
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 1
Open LV 1
Max PV 16
Cur PV 5
Act PV 5
Max PE per PV 1016
VGDA 10
PE Size (Mbytes) 4
Total PE 2555
Alloc PE 2555
Free PE 0
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
--- Logical volumes ---
LV Name /dev/vghds/lvhds
LV Status available/syncd
LV Size (Mbytes) 10220
Current LE 2555
Allocated PE 2555
Used PV 5
--- Physical volumes ---
PV Name /dev/dsk/c13t0d0
PV Name /dev/dsk/c15t0d0 Alternate Link
PV Status available
Total PE 511
Free PE 0
Autoswitch On
PV Name /dev/dsk/c13t0d1
PV Name /dev/dsk/c15t0d1 Alternate Link
PV Status available
Total PE 511
Free PE 0
Autoswitch On
PV Name /dev/dsk/c13t0d2
PV Name /dev/dsk/c15t0d2 Alternate Link
PV Status available
Total PE 511
Free PE 0
Autoswitch On
PV Name /dev/dsk/c13t0d3
PV Name /dev/dsk/c15t0d3 Alternate Link
PV Status available
Total PE 511
Free PE 0
Autoswitch On
PV Name /dev/dsk/c13t0d4
PV Name /dev/dsk/c15t0d4 Alternate Link
PV Status available
Total PE 511
Free PE 0
Autoswitch On
#
----
But I am able to see those free PE's on the new disks. Is I am doing something wrong.
Please help me in resolving this and let me know for more information.
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тАО05-29-2007 01:10 PM
тАО05-29-2007 01:10 PM
Re: Unable to extent the physical volume
To add more space to the VG, and hence the LVs, you'll have to use devices other than those already listed.
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тАО05-29-2007 01:20 PM
тАО05-29-2007 01:20 PM
Re: Unable to extent the physical volume
Thanks for the prompt reply.
The disks ranging c13t0d[0-4] and c15t0d[0-4] are alternate path to the same set of LUNs. The data that was there previously was 2GB per physical disk i.e 10GB or 2555 PE(approx.) in total and but in my disk the each physical disk size is 3GB so the total size should be 15GB or 3832 PE.
I am not able to see those extra Physical Extent PE on my new disk instead I am seeing "Alloc PE 2555".
Free PE should 1277 approx.
~Amit
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тАО05-29-2007 01:34 PM
тАО05-29-2007 01:34 PM
Re: Unable to extent the physical volume
The above issue I am seeing after I changed the volume group to a new set of Physical Disks each of whose size is 3GB as mentioned before.
I am not able to see those free PE's present in my new disks.
~Amit
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тАО05-29-2007 02:23 PM
тАО05-29-2007 02:23 PM
Re: Unable to extent the physical volume
Could you let us know, how you increased the space of 5 physical disk from 2GB to 3GB ?
SK
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тАО05-29-2007 02:46 PM
тАО05-29-2007 02:46 PM
Re: Unable to extent the physical volume
The solution Add New disk. the size must same with existing or less than existing.
example you have new disk c15t0d4 ( new disk )
thanks
freddy
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тАО05-29-2007 03:00 PM
тАО05-29-2007 03:00 PM
Re: Unable to extent the physical volume
if the disk already configure at lvm, you cant extend ( resize 2 GB to 3 GB ) disk.
Thanks
Freddy
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тАО05-29-2007 03:36 PM
тАО05-29-2007 03:36 PM
Re: Unable to extent the physical volume
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тАО05-29-2007 03:37 PM
тАО05-29-2007 03:37 PM
Re: Unable to extent the physical volume
I am unable to extend those available space which is invisible to me.
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тАО05-29-2007 03:42 PM
тАО05-29-2007 03:42 PM
Re: Unable to extent the physical volume
I have migrated the data to a new disks using an internal feature. Those disks are on different set of array disks.
Amit