linux-kernel - Re: I give up

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Message-id: <200704111529.01412.gene.heskett@gmail.com>
Date:	Wed, 11 Apr 2007 15:29:01 -0400
From:	Gene Heskett <gene.heskett@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	"John Stoffel" <john@...ffel.org>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Olaf Hering <olaf@...fle.de>,
	Dave Dillow <dave@...dillows.org>,
	Dave Jones <davej@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Jeff Garzik <jeff@...zik.org>
Subject: Re: I give up

On Wednesday 11 April 2007, John Stoffel wrote:
>>>>>> "Jan" == Jan Engelhardt <jengelh@...ux01.gwdg.de> writes:
>
>Jan> On Apr 10 2007 23:54, Gene Heskett wrote:
>>>>>> So fix tar to not do silly things.
>>>>>> Kernel major:minor numbers are not stable.
>>>>>
>>>>> YOU Tell that to the tar/star people, they are flabbergasted that
>>>>> its not stable.  It apparently is for every other OS tar can be run
>>>>> on.
>>>>
>>>> FreeBSD also seems to be quite "dynamic".
>>>> /dev/da0 is (0,92) for the 'fixit shell' -- how about you?
>>>
>>> I don't have such a beast here.  Whats that supposed to do?
>
>Jan> Well I was just pointing out that Linux is not the only one to
>Jan> have device numbers (for promiment block-backed storage) that can
>Jan> move across reboots.
>
>I guess one work around would be to export your local filesystems via
>NFS and then have amanda back them up that way, which means gnutar
>should then ignore the devmajor and devminor numbers.
>
>Or you could just use a hack of the perl script 'tarcust' to hack the
>minor/major numbers stored in the index files, and make them match the
>current major/minor pair for each filesystem just before you do a
>backup.
>
>A total hack, but probably what I would do, since gtar should (IMNSHO)
>just ignore the devmajor/devminor and just go by the name.  It's not
>like the sysadmin can't shoot himself in the foot anyway.
>
>Or, again, get away from Amanda and tar and instead move to Bacula.
>Smarter software.
>
>John

Does Bacula not use tar for its dirty work?


-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Nobody ever died from oven crude poisoning.
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