[Dirvish] misuse of chown as root leads to excessive backup usage
satyagraha at gorge.net
Tue Feb 8 16:25:02 PST 2005
I have been watching this thread closely. If there ever was a bottom line
this has to be it.
Test your backups, otherwise, what's the point.
Thanks for all the great feedback and support on this application
At 01:08 PM 2/8/2005, you wrote:
>On Tuesday 08 February 2005 15:12, Keith Lofstrom wrote:
> > I did something silly last night. On one of my machines, I was
> > creating a dummy user "samexample" for a demonstration. I copied
> > some .* directories over from another user, then, as root, did a
> > chown -R samexample.samexample .* in the ~samexample directory.
> > After it didn't come back for a few seconds, I realized it was not
> > the bad wifi link, but a bad mistake, and stopped it. But not before
> > it had changed a bunch of files in ../[otherusers] to ownership
> > samexample.samexample . Well, that was not to hard to fix (annoying,
> > though).
>I have a good one too. I've been running backups for a while now.
>Finally, it came time to use them for restore. Except, things didn't quite
>work on boot. For some reason drivers/usb/core/usbcore.ko was missing from
>my kernel tree and who knows what else.
>After some searching I found that the HOWTO included with the Debian package
>for Dirvish, which I used for my initial foray into Dirvish, included "core"
>as an exclude. Bad, bad.
>It never came up before, since 2.4.x didn't keep usbcore.o in a core/
>directory. But 2.6.x does, so the problem came up. Whoops.
>The lesson is twofold. Always verify your backups. If you can't restore
>there's no point. Know what your exclude lists are actually doing before you
>run with them.
>Dirvish mailing list
>Dirvish at dirvish.org
Operating a computer with a GUI is like trying to drive a car with an
animated cartoon in front of you instead of a clear window.
John E. Kreznar
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