Re: Migrating to FastT
From: Drew T (Andrew.Townsend_at_BISYS.COM)
Date: 07/22/05
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Date: Fri, 22 Jul 2005 11:28:31 -0400 To: aix-l@Princeton.EDU
Thanks for the replies. Initially it was a zone issue. We had both fc
adapters zoned to the same controller on the fastT. We removed all the
devices, took the second fc adapter out of the zone, and reran cfgmgr.
Here is my output from fget_config -Av
---dar0---
User array name = 'DS4400_dres'
dac0 ACTIVE dac3 ACTIVE
Disk DAC LUN Logical Drive
hdisk2 dac0 0 LUN100_1
hdisk3 dac0 1 LUN200_2
hdisk4 dac0 2 LUN300_2
hdisk5 dac0 3 LUN400_2
hdisk6 dac0 4 LUN500_2
hdisk7 dac0 5 LUN600_1
hdisk8 dac0 6 LUN700_1
hdisk9 dac0 7 LUN800_1
hdisk10 dac0 8 LUN900_1
hdisk11 dac0 9 LUN1000_1
hdisk12 dac0 10 LUN1100_1
hdisk13 dac0 11 LUN1200_1
The idea is to have fc0 zoned to the first controller on the SAN and fc3
zoned for the second controller on the san. If that really is the case,
then I should see entries for another dac pointing to the came controller,
correct?
"Michael H.
Martel" To: aix-l@Princeton.EDU
<martelm@QUARK.VS cc:
C.EDU> Subject: Re: Migrating to FastT
Sent by: IBM AIX
Discussion List
<aix-l@Princeton.
EDU>
07/22/2005 10:25
AM
Please respond to
IBM AIX
Discussion List
--On July 22, 2005 1:33:14 PM +0200 Soós Zoltán <soos.zoltan@gmail.com>
wrote:
> Hmmm, then check your SAN setup. How many FC switches/VSANs do you
> have in this installation? Are you sure your SAN zones are set up
> correctly? Zones/VSANs should be set up in a way that each FC adapter
No I'm not sure they're setup right. :-) This is all new to me with the
SAN.
> in the AIX box should only see (be in the same zone/VSAN with) one
> controller of the FAStT. FAStT drivers are limited to handle two paths
> between the OS and the logical disk defined in the FAStT box. More
> paths result in multiple hdisks. Also, post the output of "fget_config
> -Av" (SMutils.aix.rte must be installed) so we can see better what may
# fget_config -Av
---dar0---
User array name = 'VSC_DS4300_1'
dac0 ACTIVE dacNONE ACTIVE
Disk DAC LUN Logical Drive
utm 31
hdisk2 dacNONE 0 colleague2
---dar1---
User array name = 'VSC_DS4300_1'
dac1 ACTIVE dacNONE ACTIVE
Disk DAC LUN Logical Drive
utm 31
hdisk3 dac1 0 colleague2
#
For the complete diagram of what my configuration looks like.
I've got two lpar's in my p570. Each of the lpar's has two hba's. Each hba
is connected to a FC Switch. Each Switch is connected to one of the
controllers on the 4300.
lpar 1
- hba1 connected to Switch 1
- hba2 connected to Switch 2
lpar 2
- hba1 connected to Switch 1
- hba2 connected to Switch 2
Switch 1 -----> 4300 Controller 1
Switch 2 -----> 4300 Controller 2
Iniitally there were no Zones on the switches. The Switches btw are
IBM_2005_H08's .
I created two zones on each switch. Each zone has one HBA in it and the
Controller for the 4300.
Michael
-- --------------------------------o--------------------------------- Michael H. Martel | Systems Administrator michael.martel@vsc.edu | Vermont State Colleges http://www.vsc.edu/~michael | PH:802-241-2544 FX:802-241-3363
- Previous message: Michael H. Martel: "Re: Migrating to FastT"
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