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тАО10-10-2007 02:47 AM
тАО10-10-2007 02:47 AM
EVA8100 + AIX 5.3 + MPIO not working
I┬┤m trying to make a AIX 5.3 (from a LPAR) use vdisks from a EVA8100 box with a FC5759 HBA.
I┬┤m following the http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00373254/c00373254.pdf document.
Before I install the HP ODM fileset, lspv shows 4 hdisks for a single real hdisk, and I can use it with no problem.
However, after installing the fileset, the 4 hdisks become a single one (OK), and other commands show no problem:
{root@sbetb2605}/opt/hphsv/bin> hsvpaths
Disk LUNx LUNd VG S Status T E D F M HBAs Node WWN Ports
hdisk7 1 1 None - Good 4 4 0 0 0 fscsi2 50001fe1500d8df0 d,9,e,a
{root@sbetb2605}/opt/hphsv/bin> lspath
.
.
.
Enabled hdisk7 fscsi2
Enabled hdisk7 fscsi2
Enabled hdisk7 fscsi2
Enabled hdisk7 fscsi2
.
.
However, I can't access this hdisk:
{root@sbetb2605}/opt/hphsv/bin> importvg -y vg1 hdisk7
0516-024 lqueryvg: Unable to open physical volume.
Either PV was not configured or could not be opened. Run
diagnostics.
0516-024 lqueryvg: Unable to open physical volume.
Either PV was not configured or could not be opened. Run
diagnostics.
0516-1140 importvg: Unable to read the volume group descriptor area
on specified physical volume.
and right after I try that, the paths are not ok:
{root@sbetb2605}/opt/hphsv/bin> hsvpaths
Disk LUNx LUNd VG S Status T E D F M HBAs Node WWN Ports
hdisk7 1 1 None - BAD 4 0 0 4 0 fscsi2 50001fe1500d8df0 d,9,e,a
{root@sbetb2605}/opt/hphsv/bin> lspath
.
.
Failed hdisk7 fscsi2
Failed hdisk7 fscsi2
Failed hdisk7 fscsi2
Failed hdisk7 fscsi2
.
.
Any ideas?
Thank you very much
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тАО10-10-2007 08:20 AM
тАО10-10-2007 08:20 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
Not too sure on AIX, but have you followed the prerequisites in the platform notes here:
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01078023/c01078023.pdf
Hope this helps,
Regards,
Rob
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тАО10-10-2007 08:35 AM
тАО10-10-2007 08:35 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
Yes, all the prerequisites were fulfilled.
Thank you
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тАО10-10-2007 01:35 PM
тАО10-10-2007 01:35 PM
Re: EVA8100 + AIX 5.3 + MPIO not working
With an EVA8100 I would expect to see 8 paths and not 4 unless you specifically zoned out half the EVA ports. Could you post the output of 'lshsv -p' which is located in /opt/hphsv/bin?
I am on vacation beginning tomorrow but not leaving until tomorrow late morning pacific time. If you can post the data, I'll have a look and see if I can't tell you the problem.
Bret
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тАО10-10-2007 11:02 PM
тАО10-10-2007 11:02 PM
Re: EVA8100 + AIX 5.3 + MPIO not working
I see only 4 paths because I'm using a single HBA. Anyway, testing with 2 HBAs has similar results (8 paths but with the same problem).
Here's a session:
{root@sbetb2606}/> oslevel -s
5300-06-00-0000
{root@sbetb2606}/> cfgmgr
Method error (/usr/lib/methods/cfgefscsi -l fscsi1 ):
0514-061 Cannot find a child device.
{root@sbetb2606}/> lspv
hdisk0 0003f7633d4523af rootvg active
hdisk1 0003f763702123cf rootvg active
hdisk5 0003f76387a4d7f4 ora-bin-vg
hdisk16 0003f7638bc4bb82 ora-hm-redo-vg
hdisk20 0003f7638bb88a12 ora-hm-data-vg
hdisk21 0003f7638bb8e1ad ora-hm-arch-vg
{root@sbetb2606}/> varyo
varyoffvg varyonvg
{root@sbetb2606}/> varyonvg ora-bin-vg
0516-013 varyonvg: The volume group cannot be varied on because
there are no good copies of the descriptor area.
{root@sbetb2606}/> varyonvg ora-hm-redo-vg
0516-013 varyonvg: The volume group cannot be varied on because
there are no good copies of the descriptor area.
{root@sbetb2606}/> varyonvg ora-hm-data-vg
0516-013 varyonvg: The volume group cannot be varied on because
there are no good copies of the descriptor area.
{root@sbetb2606}/> varyonvg ora-hm-arch-vgf
0516-008 varyonvg: LVM system call returned an unknown
error code (3).
{root@sbetb2606}/> varyonvg ora-hm-arch-vg
0516-013 varyonvg: The volume group cannot be varied on because
there are no good copies of the descriptor area.
{root@sbetb2606}/> hsvpaths
Disk LUNx LUNd VG S Status T E D F M HBAs Node WWN Ports
hdisk5 2 2 ora-bin-vg - BAD 4 0 0 4 0 fscsi0 50001fe1500d8df0 d,9,e,a
hdisk16 4 4 ora-hm-redo-vg - BAD 4 0 0 4 0 fscsi0 50001fe1500d8df0 d,9,e,a
hdisk20 1 1 ora-hm-data-vg - BAD 4 0 0 4 0 fscsi0 50001fe1500d8df0 e,a,d,9
hdisk21 3 3 ora-hm-arch-vg - BAD 4 0 0 4 0 fscsi0 50001fe1500d8df0 e,a,d,9
{root@sbetb2606}/> lshsv -p
Disk HBA PortWWN LUN PID Prio Status UUID HBA-Location NPortID
hdisk5 fscsi0 50001fe1500d8dfd 2000000000000 0 1 Failed 600508B4000685330000D00001290000 U787B.001.DNWFX2G-P1-C1-T1 0x30d00
hdisk5 fscsi0 50001fe1500d8df9 2000000000000 1 1 Failed 600508B4000685330000D00001290000 U787B.001.DNWFX2G-P1-C1-T1 0x30e00
hdisk5 fscsi0 50001fe1500d8dfe 2000000000000 2 1 Failed 600508B4000685330000D00001290000 U787B.001.DNWFX2G-P1-C1-T1 0x40200
hdisk5 fscsi0 50001fe1500d8dfa 2000000000000 3 1 Failed 600508B4000685330000D00001290000 U787B.001.DNWFX2G-P1-C1-T1 0x40300
hdisk16 fscsi0 50001fe1500d8dfd 4000000000000 0 1 Failed 600508B4000685330000D000014E0000 U787B.001.DNWFX2G-P1-C1-T1 0x30d00
hdisk16 fscsi0 50001fe1500d8df9 4000000000000 1 1 Failed 600508B4000685330000D000014E0000 U787B.001.DNWFX2G-P1-C1-T1 0x30e00
hdisk16 fscsi0 50001fe1500d8dfe 4000000000000 2 1 Failed 600508B4000685330000D000014E0000 U787B.001.DNWFX2G-P1-C1-T1 0x40200
hdisk16 fscsi0 50001fe1500d8dfa 4000000000000 3 1 Failed 600508B4000685330000D000014E0000 U787B.001.DNWFX2G-P1-C1-T1 0x40300
hdisk20 fscsi0 50001fe1500d8dfe 1000000000000 0 1 Failed 600508B4000685330000D00001530000 U787B.001.DNWFX2G-P1-C1-T1 0x40200
hdisk20 fscsi0 50001fe1500d8dfa 1000000000000 1 1 Failed 600508B4000685330000D00001530000 U787B.001.DNWFX2G-P1-C1-T1 0x40300
hdisk20 fscsi0 50001fe1500d8dfd 1000000000000 2 1 Failed 600508B4000685330000D00001530000 U787B.001.DNWFX2G-P1-C1-T1 0x30d00
hdisk20 fscsi0 50001fe1500d8df9 1000000000000 3 1 Failed 600508B4000685330000D00001530000 U787B.001.DNWFX2G-P1-C1-T1 0x30e00
hdisk21 fscsi0 50001fe1500d8dfe 3000000000000 0 1 Failed 600508B4000685330000D00001590000 U787B.001.DNWFX2G-P1-C1-T1 0x40200
hdisk21 fscsi0 50001fe1500d8dfa 3000000000000 1 1 Failed 600508B4000685330000D00001590000 U787B.001.DNWFX2G-P1-C1-T1 0x40300
hdisk21 fscsi0 50001fe1500d8dfd 3000000000000 2 1 Failed 600508B4000685330000D00001590000 U787B.001.DNWFX2G-P1-C1-T1 0x30d00
hdisk21 fscsi0 50001fe1500d8df9 3000000000000 3 1 Failed 600508B4000685330000D00001590000 U787B.001.DNWFX2G-P1-C1-T1 0x30e00
Thank you
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тАО10-11-2007 02:00 AM
тАО10-11-2007 02:00 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
One idea is to use the chdev command to disble reservations on the EVA hdisks. Your command would like this:
chdev -l hdisk5 -a reserve_policy=no_reserve
I have run into this once before where something is scanning or similar and reserving the disks.
If it works after dsabling reservations, something else is going on but I am not sure what. You may want to verify the config method error and if no_reserve works, with IBM, as this MPIO solution is supported by both IBM and HP.
If this LPAR will not need to share these specific EVA disks, then using no_reserve is not very dangerous but you must make sure you never present these same vdisks to another LPAR or server. If this LPAR will be a VIO Server or an HACMP node, then you need to disable reservations anyway.
Bret
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тАО10-11-2007 05:14 AM
тАО10-11-2007 05:14 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
Yes, the method error is caused by the absence of a fiber; if I connect one or disable that port (chdev -a autoconfig=defined -l 'fscsiX'), the error dissapears.
Thank you very much.
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тАО10-11-2007 05:44 AM
тАО10-11-2007 05:44 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
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тАО10-11-2007 05:54 AM
тАО10-11-2007 05:54 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
Tks
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тАО10-17-2007 07:59 AM
тАО10-17-2007 07:59 AM
Re: EVA8100 + AIX 5.3 + MPIO not working
Just in case, I've applied the latest AIX service pack (5300-06-03-0732), although the system was already on a level that is theoretically supported, and... it worked out just on the first try! (no adjust at all).
Thank you every one.
Edson