a step forward with the 'fc adapter behaving badly'

From: Jarkko Airaksinen (JAiraksinen@zed.com)
Date: Thu Sep 21 2006 - 06:43:07 EDT


Hello,

This is related with the topic "fc adapter behaving badly".

We've taken another step towards solving the problem. I have found the
reason why cfgadm for the other adapter shows everything "unknown". Now
I just need to solve it :).

After swapping the adapters in their slots (and a lot of other things to
ensure this is not a hardware issue) I removed and recreated the zones
in the switches and the host configuration in the disk cabinet (an HP
EVA8000). To my amazement I found that the WWN that the FC switch and
the EVA see don't match. They are completely different WWNames so I
can't really believe that it would be due to a user error, e.g. a bad
WWN configuration somewhere. Moreover I use switch & port combination in
the zoning so there's no way I could have mistyped the WWN anywhere.

The EVA's host configuration is pretty much automatic where you just
choose the adapter from a pull-down list (it only shows the unused
adapters) so you choose the only two in the list and off you go. I tried
manually tapping in the correct WWN but to no avail; the EVA can't use a
WWN it doesn't see.

Now how can the WWNames be different? The switch says
21:00:00:e1:8c:1d:3a:cb and EVA says 2100-00e0-8b81-68ca.

Any idea how can this happen?

Br,
Jarkko

-----Original Message-----
From: sunmanagers-bounces@sunmanagers.org
[mailto:sunmanagers-bounces@sunmanagers.org] On Behalf Of Jarkko
Airaksinen
Sent: Wednesday, September 20, 2006 12:29 PM
To: sunmanagers@sunmanagers.org
Subject: fc adapter behaving badly

Good day, dear Sun Managers,

I have a Fujitsu-Siemens PP450 with 4 x 1.1G / 16G running SunOS
superserver
5.8 Generic_117350-38 sun4us sparc FJSV,GPUZC-M. There's a slight
problem
with the other of the two QLogic 2300 FC adapters, which is that it just
won't configure.

I can see them with the prtdiag:
Slot Name Model max
freq.
--------- ------------------------- ---------------------------
----------------
PCI#00 SUNW,qlc-pci1077,2300.f7+ 66Mhz
PCI#01 SUNW,qlc-pci1077,2300.10+ 66Mhz

and the cfgadm can see them:
c4 fc-fabric connected unconfigured
unknown
c5 fc-fabric connected unconfigured
unknown

but when i configure them the other adapter won't configure:
c4 fc-fabric connected configured
unknown
c4::50001fe15005e90a array-ctrl connected configured
unknown
c4::50001fe15005e90b array-ctrl connected configured
unknown
c4::50001fe15005e90c array-ctrl connected configured
unknown
c4::50001fe15005e90d array-ctrl connected configured
unknown
c5 fc-fabric connected unconfigured
unknown
c5::50001fe15005e908 unknown connected unconfigured
failed
c5::50001fe15005e909 unknown connected unconfigured
failed
c5::50001fe15005e90e unknown connected unconfigured
failed
c5::50001fe15005e90f unknown connected unconfigured
failed

Now the overall setup is exactly the same as in the other two servers i
have:
two qla2300's, Sun SAN 4.4.6, MPxIO and all this connected to a couple
of FC
switches and from there on to the disk cabinet. It used to be connected
to
an
EMC2 x300 with Emulex adapters (like the other two servers as well) but
the
emulex&emc2 stuff is all gone now.

I had the faulty adapter changed and now at least i can see it with the
cfgadm; before the change it didn't even show there. I have swapped the
fc
cables, tried different switch ports and everything but the result is
always
the same.

Messages shows a lot of this:
Sep 20 17:44:13 superserver qlc: [ID 284321 kern.warning] WARNING:
qlc(1):
logi
n fabric port failed D_ID=a10003, error=6 Sep 20 17:44:13 superserver
fp:
[ID 517869 kern.info] NOTICE: fp(1): PLOGI to a
10003 failed state=Packet Transport error, reason=No Connection Sep 20
17:44:13 superserver fctl: [ID 517869 kern.warning] WARNING:
838=>fp(1):
:PLOGI to a10003 failed. state=e reason=5.

Perhaps it's something else than the adapter? Has anyone encountered
similar
problems? I'd appreciate a lot any kind of information concerning this
kind
of problem.

Br,
Jarkko

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