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тАО03-11-2009 09:03 PM
тАО03-11-2009 09:03 PM
EVA 8100 controller port specification - HP-UX
All my disc i/o is passing through port #2 on each controller and hardly anything through ports 1,3,or 4.
HP-UX 11.23 Itanium, Cisco-MDS, EVA-8100
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тАО03-11-2009 09:17 PM
тАО03-11-2009 09:17 PM
Re: EVA 8100 controller port specification - HP-UX
I assume you are using PVLINKS for alternate pathes, not auto/secure path.
You should consider to "sort" the primary pathes to your physical volumes.
If you run
# vgdisplay -v ...
...
--- Physical volumes ---
PV Name /dev/dsk/c2t0d1s2
PV Name /dev/dsk/c12t0d1s2 Alternate Link
PV Name /dev/dsk/c4t0d1s2 Alternate Link
PV Name /dev/dsk/c10t0d1s2 Alternate Link
PV Status available
Total PE 2759
Free PE 13
Autoswitch On
PV Name /dev/dsk/c14t0d1s2
PV Name /dev/dsk/c8t0d1s2 Alternate Link
PV Name /dev/dsk/c16t0d1s2 Alternate Link
PV Name /dev/dsk/c6t0d1s2 Alternate Link
...
and you check the hardware path for all the disk devices, you will see how the OS is accessing the vdisks.
Using vgreduce / vgextend you can now sort these pathes.
Hope this helps!
Regards
Torsten.
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тАО03-11-2009 09:31 PM
тАО03-11-2009 09:31 PM
Re: EVA 8100 controller port specification - HP-UX
Here is a portion of what I see:
nodename # vgdisplay -v vg07
--- Volume groups ---
VG Name /dev/vg07
VG Write Access read/write
VG Status available
Max LV 255
Cur LV 3
Open LV 3
Max PV 16
Cur PV 2
Act PV 2
Max PE per PV 25599
VGDA 4
PE Size (Mbytes) 4
Total PE 31485
Alloc PE 30625
Free PE 860
Total PVG 0
Total Spare PVs 0
Total Spare PVs in use 0
--- Logical volumes ---
LV Name /dev/vg07/ocan
LV Status available/syncd
LV Size (Mbytes) 18000
Current LE 4500
Allocated PE 4500
Used PV 1
LV Name /dev/vg07/osys
LV Status available/syncd
LV Size (Mbytes) 27500
Current LE 6875
Allocated PE 6875
Used PV 2
LV Name /dev/vg07/otmg
LV Status available/syncd
LV Size (Mbytes) 77000
Current LE 19250
Allocated PE 19250
Used PV 2
--- Physical volumes ---
PV Name /dev/dsk/c36t0d1
PV Name /dev/dsk/c37t0d1 Alternate Link
PV Name /dev/dsk/c39t0d1 Alternate Link
PV Status available
Total PE 25599
Free PE 0
Autoswitch On
PV Name /dev/dsk/c36t0d2
PV Name /dev/dsk/c37t0d2 Alternate Link
PV Name /dev/dsk/c39t0d2 Alternate Link
PV Status available
Total PE 5886
Free PE 860
Autoswitch On
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тАО03-11-2009 09:36 PM
тАО03-11-2009 09:36 PM
Re: EVA 8100 controller port specification - HP-UX
# ioscan -fn
Hope this helps!
Regards
Torsten.
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those who understand binary, and those who don't.
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тАО03-12-2009 04:18 PM
тАО03-12-2009 04:18 PM
Re: EVA 8100 controller port specification - HP-UX
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тАО03-12-2009 10:45 PM
тАО03-12-2009 10:45 PM
Re: EVA 8100 controller port specification - HP-UX
--- Physical volumes ---
PV Name /dev/dsk/c36t0d1
PV Name /dev/dsk/c37t0d1 Alternate Link
PV Name /dev/dsk/c39t0d1 Alternate Link
PV Name /dev/dsk/c36t0d2
PV Name /dev/dsk/c37t0d2 Alternate Link
PV Name /dev/dsk/c39t0d2 Alternate Link
this means
disk 228 1/0/10/1/0.78.0.8.0.0.1 sdisk CLAIMED DEVICE HP
HSV210
/dev/dsk/c36t0d1 /dev/rdsk/c36t0d1
disk 230 1/0/10/1/0.78.0.8.0.0.2 sdisk CLAIMED DEVICE HP
HSV210
/dev/dsk/c36t0d2 /dev/rdsk/c36t0d2
Same HBA, same EVA port.
Does other VGs are using c36t... devices too as primary?
As mentioned before, you should sort the paths and use
disk 256 0/0/10/1/0.108.0.0.0.0.1 sdisk CLAIMED DEVICE HP
HSV210
/dev/dsk/c39t0d1 /dev/rdsk/c39t0d1
disk 257 0/0/10/1/0.108.0.0.0.0.2 sdisk CLAIMED DEVICE HP
HSV210
/dev/dsk/c39t0d2 /dev/rdsk/c39t0d2
# vgreduce vg07 /dev/dsk/c36t0d1
# vgreduce vg07 /dev/dsk/c37t0d1
# vgextend vg07 /dev/dsk/c37t0d1
# vgextend vg07 /dev/dsk/c36t0d1
and you will get in vgdisplay
--- Physical volumes ---
PV Name /dev/dsk/c39t0d1
PV Name /dev/dsk/c37t0d1 Alternate Link
PV Name /dev/dsk/c36t0d1 Alternate Link
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!
If you feel this was helpful please click the KUDOS! thumb below!