Amanda-Users

Re: can't backup a disk?

2003-11-11 10:43:25
Subject: Re: can't backup a disk?
From: Frank Smith <fsmith AT hoovers DOT com>
To: Yu Chen <chen AT hhmi.umbc DOT edu>
Date: Tue, 11 Nov 2003 09:40:52 -0600
--On Tuesday, November 11, 2003 10:35:32 -0500 Gene Heskett <gene.heskett AT 
verizon DOT net> wrote:

> On Tuesday 11 November 2003 10:13, Yu Chen wrote:
>> Thanks, Gene
>> 
>> Think that might be the problem. I will try it tonight.
>> 
>> So you mean by "dump", it should backup everything under /var
>> including /var/spool/mail? But it didn't happen on my system, the
>> "dump" didn't back it up. That's why I added the entry.
>> 
>> Chen
> 
> No, by dump, I meant the program 'dump', as opposed to the program 
> 'tar' (usually gnutar, and it needs to be at least version 1.13-19, 
> plain old 1.13 won't do, its busted, get 1.13-25 from alpha.gnu.org's 
> ftp site)
> 
> tar should be able to do this, no problem, although if you leave the 
> email agent running full time (I do, I'm on dsl) then its every so 
> often scans of your mailbox at your ISP might occasionally cause a 
> "file changed while we read it" message from tar if its updateing the 
> mail spool while tar is reading it.
> 
> However, since you have /var in the disklist, and tar traverses all 
> subdirs below the named one, there must be a more fundamental 
> problem, possibly related to permissions.  You did configure and 
> build amanda as the user 'amanda' didn't you?  And then become root 
> before installing her?

> 
>> On Tue, 11 Nov 2003, Gene Heskett wrote:
>>> On Tuesday 11 November 2003 09:42, Yu Chen wrote:
>>> > Hello, I have a client with diskes like this:
>>> > /dev/hda1  /boot
>>> > /dev/hda2  /
>>> > /dev/hda3  /var
>>> > /dev/hda5  /var/spool/mail

Notice that /var/spool/mail is a seperate partion than /var. Dump
and tar (with the options Amanda calls it with) does not cross
filesytems, so a backup of /var on your machine will not backup
/var/spool/mail.

Frank

>>> > 
>>> > before, the amanda works fine with the first three diskes,
>>> > recently, I added /var/spool/mail to the disklist, but amanda
>>> > failed to back it up, gave out message:
>>> > FAILURE AND STRANGE DUMP SUMMARY:
>>> >  hostname /var/spool/mail lev 0 FAILED [disk /var/spool/mail
>>> > offline?]
>>> > 
>>> > I don't know where to look into, thanks for any advices!
>>> > 
>>> > Chen
>>> 
>>> Are you using tar, which can do a subdir, or dump, which does the
>>> whole partition or nothing?
> 
> -- 
> Cheers, Gene
> AMD K6-III@500mhz 320M
> Athlon1600XP@1400mhz  512M
> 99.27% setiathome rank, not too shabby for a WV hillbilly
> Yahoo.com attornies please note, additions to this message
> by Gene Heskett are:
> Copyright 2003 by Maurice Eugene Heskett, all rights reserved.



-- 
Frank Smith                                      fsmith AT hoovers DOT com
Systems Administrator                           Voice: 512-374-4673
Hoover's Online                                   Fax: 512-374-4501


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