invisible A1000 after Sol26 to Sol8 upgrade

From: Geoff Lane (zzassgl@twirl.mcc.ac.uk)
Date: Mon Feb 10 2003 - 07:12:19 EST


I'm in the process of upgrading a Solaris 2.6 system using five A1000 disk
arrays to Solaris 8. In preparation, I applied the recommended patches and
then upgraded the Sol 2.6 Raid Manager to 6.22.1 (including the necessary
firmware upgrades to all A1000s.) This went without problems - all the
A1000s continued to be available.

The next step was to clone the Sol 2.6 system using Live Upgrade, then
upgrade the clone to Sol 8, then apply the recommended patches. When this
upgraded system is booted, one of the A1000s is not visible to the operating
system. RM can see the device fine and reports no problems; format cannot
see the device and it cannot be mounted.

On rebooting Sol 2.6, the missing A1000 can be seen again.

I've tried multiple reconfiguration reboots, running hot_add and anything
that seemed relevant from the RM admin and user guides.

The next thing I'm going to try is completely deleting /dev and /devices on
the Sol8 system and performing a reconfiguration reboot to rebuild the
device tree. If that fails to fix the problem, I'm going to reluctantly
apply patches 112125-6 and 112126-06 which address similar symptoms but I
suspect are not relevant as I can see all the devices under Sol 2.6.

Has anybody any other suggestions?

Thanks,

-- 
/\ Geoff. Lane. /\ Manchester Computing /\ Manchester /\ M13 9PL /\ England /\
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