Re: mirrored root disk boot block
From: Andrew Gabriel (andrew_at_cucumber.demon.co.uk)
Date: 07/27/03
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Date: 27 Jul 2003 18:03:44 GMT
In article <3e949365.0307270836.71229256@posting.google.com>,
bridge_xue@yahoo.com (Bridge) writes:
> After mirroring a root disk, does it still need to install the boot
> block on the mirrored disk?
> There are some documentations mentioned step of installing boot
> blocks, are they correct? As resync from the root disk to the mirrored
> disk should have a copy of the boot block, is that right?
I don't know for sure, but SVM can't simply be copying all 32
sectors at the start of the disk into the mirror as that would
destroy the mirror's VToC. It might be that it doesn't sync
any of the first 32 sectors across, but I'm guessing.
On Solaris x86, the boot code doesn't live in the root filesystem,
so in that case you would certainly need to install it on the
mirrored drive if you ever wanted to boot directly from that drive.
-- Andrew Gabriel Consultant Software Engineer
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