From: Cohen, Andy (Andy.Cohen@cognex.com)
Date: Fri Apr 26 2002 - 15:37:03 EDT
Dr. Tom Blinn said:
If you want to do this with minimum pain, get some extra disks, install the
OS onto one new disk, get your existing system disk partitions mounted on
your new disk, use the OS on the new disk to do the backups (to another new
disk) and then do the restores. You *can* do this running off of the CDROM
but it's way painful. In fact, you've got lots of free space, apparently.
alan said:
What you want to do is little different from having to
restore a system disk backup after losing a disk. You
can use the standalone system on the CDROM to restore
the root file system. You can either use it a single
user booted root to restore /usr. There might also be
other guidelines in the system management documentation.
and Tim Mark from Compaq AdvFS development said:
See sections 5.3.3 and 5.3.4 in the AdvFS Administration
guide:
http://www.tru64unix.compaq.com/docs/base_doc/DOCUMENTATION/V51A_HTML/ARH96C
TE/TOC.HTM#CHPTRTRB
or
http://www.tru64unix.compaq.com/docs/base_doc/DOCUMENTATION/V51A_PDF/ARH96CT
E.PDF (for pdf format)
I can now begin working on this in earnest.
Thank you!
Andy
ORIGINAL QUESTION
=================
> Hi,
>
> We recently upgraded a 4100 from 4.0E to 5.1A PK1 (through all the
requisite
> intermediary releases). Now I'd like to convert the AdvFS domains to
> Version 4. I understand how to do this conceptually (full backups, drop
the
> domains, recreate the domains, restore the data). My question is how to
do
> this for the domains that have the operating system on them -- if I drop
the
> domains where the OS lives how do I then use the system? Do I boot off of
> CD? If so how do I sequence the various events vis-a-vis booting off CD?
>
>
> here's what the system looks like:
>
> #root$ ==> df -k
> Filesystem 1024-blocks Used Available Capacity Mounted on
> root_domain#root 140624 124027 10696 93% /
> /proc 0 0 0 100% /proc
> usr_domain#usr 1290408 994770 268216 79% /usr
> home_domain#users 3350336 251555 3057816 8% /home
> disk01#u01 4190040 24 4180240 1% /disk01
> disk02#u02 5190040 24 5179680 0% /disk02
> disk03#u03 5380080 24 5372512 1% /disk03
> disk04#u04 15570120 64 15547160 1% /disk04
> disk04#tmp 15570120 96 15547160 1%
> /cluster/members/member0/tmp
>
> I can see recreating home_domain, disk01, disk02, disk03, disk04, and
> disk04#tmp but how do I recreate root_domain and usr_domain (the domains
> with the OS)?
>
>
> Thanks very much,
> Andy
>
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