SUMMARY: online discovering new luns Sun box with Ibm SVC

To set persistent binding on the qlc driver we had to set in /etc/system

set fcp:ssfcp_enable_auto_configuration=1

After this we were able to discover new luns/vpaths online (without
doing a reboot),  by doing:
devfsadm
/etc/rcS.d/S65-vpath-config

Rebooting the system didn't reshuffle the vpaths.
We test this procedure on a testbox.

The official statement of Ibm is that online discovering of luns is not
possible with Solaris 8,
only since Solaris 10 this should be possible :-(


Regards,
Klaas

-----Oorspronkelijk bericht-----
Van: sunmanagers-bounces@sunmanagers.org
[mailto:sunmanagers-bounces@sunmanagers.org] Namens Ruiter de, Klaas
Verzonden: zondag 24 juni 2007 14:54
Aan: sunmanagers@sunmanagers.org
Onderwerp: online discovering new luns Sun box with Ibm SVC


Hi,

We have a Solaris 8 machine connected to an IBM SVC (version 4.1).
Behind the Ibm Svc there's a DS8300 storage cabinet. The Sun machines
has Sun branded Qlogic cards (QLA2310F-SUN), we are using the qlc-driver
for the hba's and the Ibm sdd driver in stead of mpxio. We also use
Disksuite (SVM) as volume manager.

We faced some strange problems when connecting  the Sun to the Ibm
storage. In the Ibm documentation there is a procedure to discover new
luns online. Unfortunately when we try is (devfsadm; rm /etc/vpath*cfg;
cfgvpath -c ;
/etc/rcS.d/S65vpath-config) we will see the new luns and we can add a
new filesystem. But after a reconfigure reboot all the disks are
reshuffeled :-(

When we don't try to discover the new luns online, just map the disk and
do reboot -r everything is fine. Don't like it to reboot a server for
discovering a new luns, but for this a fact of live.

Did anyone had  same problems?

In the Ibm documentation we cannot find anything about the qlc driver,
only the qla2x00.conf is mentioned. Does someone know how to set
persistent binding on the qlc driver?

I'm also wondering if anyone has a Sun box connected to Ibm Svc. What's
your experience with it?

Many thanks.
Klaas





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CONFIDENTIALITY NOTE:

This e-mail is only intended For the person(s) to whom
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contrary, any opinions or comments are personal to the writer and do not
represent the official view of A.S. Watson (Health & Beauty Continental
Europe) BV or its Group Companies. If you are not the intended recipient, you
are hereby notified that any use, retention, disclosure, copying, printing,
forwarding or dissemination of this communication is strictly prohibited. If
you have received this communication in error please notify us immediately by
reply e-mail and please erase all copies of the message and its attachments.
Thank you for your co-operation.
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De
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