From: James Jackson (James.Jackson@MAIL.STATE.AR.US)
Date: Thu Jul 31 2003 - 18:09:20 EDT
No LUN sharing, though this is a non-concurrent HACMP config. The
problem is coincident with some work done on the SAN this past week-end.
I'm trying to get more info on the SAN changes/upgrades etc.
thx,
JJackson
-----Original Message-----
From: Adams Kevin J [mailto:kevin.adams@PHS.COM]
Sent: Thursday, July 31, 2003 4:53 PM
To: aix-l@Princeton.EDU
Subject: Re: Errors on fiber channel adapter.
You're not sharing LUNs between hosts are you?
Jjust having an hdisk seen by more than one host can cause these
symptoms when not using the right verion of SDD.
Kevin Adams
PacifiCare Behavioral Health
Principal Systems Analyst
AIX Certified Advanced Technical Expert
-----Original Message-----
From: James Jackson
[mailto:James.Jackson@MAIL.STATE.AR.US]
Sent: Thursday, July 31, 2003 2:21 PM
To: aix-l@Princeton.EDU
Subject: [aix-l] Errors on fiber channel adapter.
Gurus,
I have an M80 with a pair of 6228 FC adapters. One of
the adapters is sending periodic FSCSI_ERR2's accompanied by occasional
SC_DISK_ERR4's from its child "hdisks". The adapters are connected to
an F20 ESS via a SAN. I'm using SDD for path redundancy, and I have a
single volume group which contains two vpaths. Each vpath has six
"hdisks", three from each 6228. I need to run diag on the flaky 6228,
but I don't want to varyoff the volume group. Does anyone know if the
following procedure will work as a means of getting the 6228 in a state
that'll support diag?
* run "datapath set adapter 1 offline", which will
cease SDD I/O to adapter 1, setting its hdisks' state to "DEAD".
* run "rmdev -l" on the child hdisks and fscsi1
device.
If this works, will the following procedure get
everything back to normal?
* run "cfgmgr -l fcs1".
* run "datapath set adapter 1 online".
TIA,
James Jackson
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