(re)boot -r on Solaris 8 with Ibm SVC reshuffles vpaths

From: Ruiter de, Klaas (k.ruiter@nl.aswatson.com)
Date: Sun Jun 10 2007 - 08:16:03 EDT


Hi,

Hope someone can help me.
We have a Fujitsu Primepower 850, with Solaris 8 and Solaris Volume
Manager and Qlogic 2300 hba's.
The server is connected to a Ibm SVC 4.1 and the Ibm sdd driver is
installed.
When we map a vdisk to the server we have to reboot the server to get
the new lun.
According to the Ibm documentation we have to do a boot -r.
After a reboot -r the existing vpaths are reshuffeled, which causes that
Disksuite doesn't recognise the filesystems anymore.
For example, before the reboot vpath1=20Gb and vpath2=700Gb.
After the boot -r, vpath1 = now vpath2 and vpath2=vpath1.

To discover the new lun a normal boot (without -r) is fine.
Without mapping a new vdisk a boot -r is also fine, it doesn't reshuffle
the vpaths.

Anyone an idea?

Many thanks in advance.
Klaas

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