how to copy filesystems from an old disk to a new one using ufsdump

From: Chunhang Gong (cg98ah@yahoo.ca)
Date: Mon May 27 2002 - 11:30:33 EDT


Hello to all,

I have an exteranl disk(IBM model 8GB) attached to my
SPARCstation-4 running solaris 2.4. Because we don't
have solairs OS for this old machine, we want to
backup the whole filesystem files (which is solaris
2.4 installed on SPARCstation-4 now) onto that
external disk. We have solaris 8 bootable CDs which
can boot the SPARCstation-4 up.

My question is:

1. is it possible to use ufsdump to back up the whole
filesystems on to the external disk? (our external
disk and internal disk are different model, have
different geomestry structure).

2. If yes, can anyone give me detailed instruction how
to do it?

3. We have a bootable CDs to bring this machine up,
but we don't have Solaris 2.4 OS for this machine, can
I restore a particular filesystem on to the boot disk
from our backup disk? example, if we successfully use
'ufsdump' backup /usr to the external disk, now the
/usr filesystem on a boot disk is damaged, can I
ufsrestore /usr from the external disk to the internal
boot disk, and the system can be recovered this way?

Thanks a lot to everyone for your time and your help
in advance!

Chunhang

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