I assume you want path failover/loadbalancing. Then you want 2 FCP addresses
attached to your Linux. In my samples they are 4006 and 5006.
In your z/VM user directory add:
DEDICATE 4006 4006
DEDICATE 5006 5006
Or do the equivalent manual attach from an authorized user:
ATTACH 4006 <Linux guest> 4006
ATTACH 5006 <Linux guest> 5006
Do q fcp att <Linux guest>
FCP 4006 ATTACHED TO SAP005 4006 CHPID 35
WWPN C05076FD88800270
FCP 5006 ATTACHED TO SAP005 5006 CHPID 39
WWPN C05076FD88800378
The two wwpn's are what you need to authorize access on the DS8100 for the host
connection.
Then in /etc/sysconfig/hardware add file hwcfg-zfcp-bus-ccw-0.0.4006:
#!/bin/sh
#
# hwcfg-zfcp-bus-ccw-0.0.4006
#
# Configuration for the zfcp adapter at CCW ID 0.0.4006
#
STARTMODE="auto"
MODULE="zfcp"
MODULE_OPTIONS=""
MODULE_UNLOAD="yes"
# Scripts to be called for the various events.
# If called manually the event is set to 'up'.
SCRIPTUP="hwup-ccw"
SCRIPTUP_ccw="hwup-ccw"
SCRIPTUP_scsi_host="hwup-zfcp"
SCRIPTDOWN="hwdown-scsi"
SCRIPTDOWN_scsi="hwdown-zfcp"
# Configured zfcp disks
ZFCP_LUNS="
0x50050763030306a1:0x4014400400000000"
Ditto for file /etc/sysconfig/hardware/hwcfg-zfcp-bus-ccw-0.0.5006
#!/bin/sh
#
# hwcfg-zfcp-bus-ccw-0.0.5006
#
# Configuration for the zfcp adapter at CCW ID 0.0.5006
#
STARTMODE="auto"
MODULE="zfcp"
MODULE_OPTIONS=""
MODULE_UNLOAD="yes"
# Scripts to be called for the various events.
# If called manually the event is set to 'up'.
SCRIPTUP="hwup-ccw"
SCRIPTUP_ccw="hwup-ccw"
SCRIPTUP_scsi_host="hwup-zfcp"
SCRIPTDOWN="hwdown-scsi"
SCRIPTDOWN_scsi="hwdown-zfcp"
# Configured zfcp disks
ZFCP_LUNS="
0x50050763030806a1:0x4014400400000000"
The address pair 0x50050763030306a1:0x4014400400000000 and
0x50050763030806a1:0x4014400400000000 of course being dependent on your local
hardware. You need the wwpn's on the DS8100 your are granting access on for the
host connection. The lun number 4014400400000000 is built from DS8100 id 1404.
So 40, first id byte, 40, second id byte, fill out with zeroes.
I assume you know your way around on the DS8100. If not come back for more
details.
Best regards,
Pieter Harder
[email protected]
tel +31-73-6837133 / +31-6-47272537
-----Oorspronkelijk bericht-----
Van: Linux on 390 Port [mailto:[email protected]] Namens Tony Bergenza
Verzonden: woensdag 4 november 2009 8:51
Aan: [email protected]
Onderwerp: DS8100 AS SCSI MODE
Hi all,
If someone share infomation about the procedure to configure DS8100 in SCSI
mode with ZVM 5.4 to be used by Suse Z/Linux.
Thanks & Regards
Tony
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