I'm running into issues adding zFCP LUNS to a clustered zLinux server. The
primary servers sees the disk with no issues and have multipath'ing turned on.
Both servers should be pointing to the same scsi disk. What am I missing? Any
ideas? I've tried rebooting with no results. I do see the
From: Shumate, Scott scshum...@bbandt.com
To: LINUX-390@VM.MARIST.EDU
Sent: Tuesday, December 6, 2011 3:04 PM
Subject: zFCP question for RHEL54
I'm running into issues adding zFCP LUNS to a clustered zLinux server. The
primary servers sees the disk with
Scott,
Dec 6 14:28:15 wil-zstsccdbtstbu01 kernel: zfcp: warning: failed
gid_pn nameserver request for wwpn 0x50060e800571f006 for adapter
0.0.dc00
Dec 6 14:28:15 wil-zstsccdbtstbu01 kernel: zfcp: port erp failed
(adapter 0.0.dc00, wwpn=0x50060e800571f006)
The nameserver is a service that
There are 2 CECs involved. Each CEC has 4 fibre connections, 2 in one
switch and 2 in another. In our HDS box, we have 4 ports fibre cards (2
in one switch and 2 in the other). The way its zoned is 4 connections
from the CECs (2 from one CEC and 2 from the other) is zoned to 2 port
on the HDS
Scott,
The tools have changed over time. I don't remember what is in rhel 5.4...
Have you tried to use san_disc or lsluns on the failing linux system?
These are tools to explore what you can see out in the fabric.
Zoning comes in a few flavors. There is port zoning where you designate
switch
Hi,
i think that is exactly your problem.
If i got it right you are not using npiv. That means that all guests are using
the same wwpn to the fabric on a spesific cec. 2 linux guests on the same cec
cant access the same luns at the same time. The first guesr in the cec to
access the luns wins.
