Booting from the root mirror using DiskSuite

From: Dave Martini 1 (martini@mrpeabody.llnl.gov)
Date: Fri Sep 17 2004 - 13:23:41 EDT


I have a Solaris 9 machine with Disksuite which I've setup to mirror
all partitions on the boot disk.
Is it possible to boot off of the rootmirror when the original
boot disk is down (or if it's been removed) so that the system comes up in run
level 6?

I performed a test and removed the boot disk and booted from
the rootmirror and I get the standard errors relating to stale
state database replica, please fix etc. and it puts me in single
user mode.

Apparently, it wants me to fix the original boot disk first
before it will allow me to boot in level 6.

In contrast, when using Veritas Volume Manager, I am able to boot
from the boot mirror in run level 6 and have the system fully operational
without the original boot disk installed in the system.

The negative with Disksuite is that you have to wait until you fix
the original boot disk before the system is usable.

Am I correct in this assessment?

One more thing, I noticed that the metastat and metadb commands are in
/usr/bin. Do I need to install the DiskSuite packages SUNWmd, SUNWmdg, SUNWmdn
in order to get DiskSuite to work because it seems to be working ok without
these packages installed.

Thank You.
David Martini
LLNL
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