Date: Sat, 5 Jan 2002 23:01:56 -0500 From: "Bob Hall" <rjhalljr@starpower.net> To: freebsd@FreeBSD.ORG Subject: backing up & recovery Message-ID: <20020105230156.A341@starpower.net>
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I'm trying to finish setting up a backup and disaster recovery
system for myself. I have the following questions:
1) In the handbook, it says to create boot and fix-it floppies.
Are these necessary if I can boot from the install and
fix-it CD's?
2) I'm backing up to DVD-RAM disks. (By a fluke, I got a DVD
writer cheaply, so this is the most cost effective way for
me to do backups.) After dumping, I run restore in
interactive mode. At some point, I get the message
specify next volume #:
Would one side of a disk be equivalent to a volume? E.g.
when I fill up one side of a disk and switch to the other
side, is that volume 2?
3) Shortly after the volume message, I get
set owner/mode for '.' [yn]
I don't know what this means, and I can't tell that it
makes any difference whether I type 'y' or 'n'. Can
anyone tell me what I'm doing when I type either 'y' or
'n'?
4) My dump command is
dump -0u -af /mnt/usr.dump /usr
where the DVD disk is mounted on /mnt. I haven't been
able to figure out how to backup to a DVD disk except by
explicitly writing to a data file (as opposed to a device).
With a tape, the docs say to write everything to the device
and then restore from a specific dump with the -s option.
This doesn't seem to work when writing to a data file. Am
I correct in believing that each file system dump, on a given
date, has to have its own backup file? I.e. the root and usr
file systems each have to have their own file, and incremental
dumps each get their own file?
I've spent about 45 minutes trying to make my questions as clear
as possible, but when you are new to something, you don't know
the best way to express yourself, nor do you know what info to
provide.
The documentation is all geared toward backups on tapes, and I'm
pretty fuzzy on how backup data is structured, so I don't know
how tape oriented structures map to DVD disks. Any info or
sources of info will be gratefully received.
Bob Hall
--
Know thyself? Absurd direction!
Bubbles bear no introspection. -Khushhal Khan Khatak
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