dump restore pain and suffering
newroswell at gmail.com
Sat Apr 12 02:44:46 UTC 2008
On Fri, Apr 11, 2008 at 6:29 PM, Eric <eric at mikestammer.com> wrote:
> Kevin Sanders wrote:
> > I've been dumping and restoring a test system today, and I'm have very
> > little success. Basically, I've been installing a base FreeBSD
> > 7-RELEASE/i386 system, doing something like dump -0auL -f
> > /mnt/test.root.dump, formating the drive and trying to restore -rf
> > /mnt/test.root.dump. /mnt is a ufs formated usb drive. After the
> > dump, I've even done a restore -rNf /mnt/test.root.dump just to make
> > sure it doesn't complain out the dump file.
> > I've read the handbook, found a few articles, googled all the errors.
> > The header dumpdate thing is harmless, the expected next file is from
> > it being a live system, but I'm not ending up with a system that is
> > very usable. Doing a df, I see that sometimes I end up with a
> > restored slice that is about the same size as my dump file, sometimes
> > less than half. I know I'm not being very specific with what's not
> > working, but is anyone really using dump/restore and having success
> > with the restore part? I'm now full of doubt and worry that my real
> > systems are not really backed up.
> > I really wished this worked as easy as falling out of a boat and hitting
> > Kevin
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> i wrote this up:
> after setting up dump/restore for my backup solution. i used it to migrate
> from old hard drives to a RAID1 setup on a 3ware controller and everything
> went well.
> what errors are you seeing?
I don't have them handy, but I got the header dumpdate warning, which
I guess is harmless. Then I would get hundreds of "expected next file
A found B" error. Sometimes it would suddenly give me an abort [yn],
if you hit n, then you just get another abort [yn] until you give up.
I'll check out your link and give things a few more tries. I figured
I must be doing something wrong since dump/restore is so highly
recommended as the best choice.
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