Re: migrating 4.3.3 to 5.3 on P series F80
From: Dan Foster (usenet_at_evilphb.org)
Date: 06/02/05
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Date: Thu, 2 Jun 2005 18:42:15 +0000 (UTC)
In article <1117736157.824657.253710@g47g2000cwa.googlegroups.com>, cgofort <cgofort@acad.stedwards.edu> wrote:
>
> I'm migrating from 4.3.3 to 5.3 and was wondering if there is more than
> I need to consider besides booting from the CD-ROM and performing a
> migration. Are there any directories I should consider important?
Best way to migrate: use alt_disk_install utility to clone one of your
rootvg drives (let's say hdisk0 as 4.3.3 source) to say, hdisk1.
That way you could boot off hdisk0 with 4.3.3 and boot off hdisk1 with
5.3, with a way to boot back into 4.3.3 if you don't like the 5.3
environment.
This is also a faster way of upgrading because you can do the cloning
while system is live without problems, then just reboot at a convenient
time to try 5.3. Downtime is only the time it's down while rebooting.
Doing this is as easy as making sure 4.3.3 is FULLY patched to the
LATEST stuff *then* break rootvg mirroring -- unmirrorvg rootvg hdisk1.
Then: alt_disk_install -C hdisk1
(-C = clone)
Come back in 45 minutes, done.
Reboot at convenience.
Read up on alt_disk_install stuff -- there's a few things to be aware
of, but it's pretty painless and works great for 4.3.3 -> 5.x migrations.
(You can also run this utility with SMIT, too.)
-Dan
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