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Date:      Fri, 16 Apr 1999 15:06:49 -0500
From:      "C. Stephen Gunn" <csg@physics.purdue.edu>
To:        Greg Black <gjb-freebsd@gba.oz.au>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Entombing for FreeBSD
Message-ID:  <19990416150649.A1060@ohm.physics.purdue.edu>
In-Reply-To: <19990416113734.18605.qmail@alice.gba.oz.au>; from Greg Black on Fri, Apr 16, 1999 at 09:37:33PM %2B1000
References:  <199904160332.WAA28377@poynting.physics.purdue.edu> <19990416113734.18605.qmail@alice.gba.oz.au>

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On Fri, Apr 16, 1999 at 09:37:33PM +1000, Greg Black wrote:

> If we're restricting this to restoring lost files, I can't
> remember the last time I did that either.  It was certainly more
> than 15 years ago.  I don't use entombing.  Can't see the point.

It's not the last time _you_ had to restore a file that's the issue.
If you've not had to do it for 15 years, entombing probably isn't
for you.

When was the last time you took care of 500+ users on a single
machine.  Users delete files.  Users clobber files.  Users intentionally
make changes to files and then don't want them tomorrow.

We have _serious_ users around here with serious needs.  We have
all of our important data on hardware RAID 5, and we still do
nightly backups to DLT. DLT's are fast, but pulling one file off
tape (which would happen) can take 45 minutes to an hour, even with
good tools like Amanda.

I don't really need entombing at home, but I sure take advange of
it when I shoot myself in the foot.  I guess that real UNIX studs
don't ever do that, or apparently don't live to tell the story.

The best part is if you don't like it, don't use it.  ENTOMB=no,
and you're completely screwed as usual when you delete a file.  ;-)

 - Steve

--
C. Stephen Gunn, Computer Systems Engineer         <csg@physics.purdue.edu>
Physics Computer Network, Purdue University    


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