From: Deni Kurniawan (denisz@telkomsel.co.id)
Date: Mon Feb 28 2005 - 06:55:32 EST
Dear sunmanagers,
Can anyone give me hints of how to configure /kernel/drv/scsi_vhci.conf so
that a solaris box with multiple HBA can do multipath (and load-balance) fcp
connection to multiple ports (let's say 2 ports) on external storage, e.g.
HP XP-1024. The connection itself routed through Brocade SAN switches.
Here's more detailed situation:
A single LUN created from the storage were exported to both ports (storage
ports) and connected to both host's HBA, resulting in 4 disk (ap_id) seen on
the solaris box.
The format utilities also show 4 disk, which actually pointing to the same
LUN.
After trying to configure scsi_vhci.conf by adding:
device-type-scsi-options-list =
"HP OPEN-V -SUN", "symmetric-option";
symmetric-option = 0x1000000;
to the last line, I managed to reduce disk list into only 2 multipathed fcp
connection (now the disk list on format utilities shown with /scsi_vhci/..
path).
CMIIW, but it seemed to me that scsi_vhci only understands multipathed
connections to host's HBA, but cannot do multipath connection on storage
side.
Any hints to configure it so that finally the disk list show only 1 LUN as
configured on storage?
TIA,
-denisz-
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