Amanda-Users

Problem Calculating Estimates on RHEL 4

2005-04-14 13:55:17
Subject: Problem Calculating Estimates on RHEL 4
From: Matt Hyclak <hyclak AT math.ohiou DOT edu>
To: Amanda Users <amanda-users AT amanda DOT org>
Date: Thu, 14 Apr 2005 13:44:24 -0400
I ran into an interesting problem today, and I thought I'd post here to get
some feedback/make the problem known.

First the specs:
Server:
RHEL 3 x86
amanda 2.4.4p3 (rebuilt with fqdn's and not localhost)
tar 1.13.25-13

RHEL 4 x86 (CentOS to be exact, but same difference)
amanda 2.4.4p3 (rebuilt as above)
tar 1.14-4

The machine in question was formerly a FC2 box, which I wiped and installed
CentOS 4 on yesterday. I got amanda set up today and did a backup. My /home
directory went just fine, but the / partition errored out saying that the
partition was too big for tape. Funny, since it's a 20GB partition and an
LTO-1 (100GB native) tape drive.

So I get into the debug logs on the client and run the tar command used to
create the estimate and it informed me that the size is 1.2TB. I am
wondering about some of the output below. The socket ignored is normal,
however the "Cannot seek to 0" errors make me scratch my head. Before
running the command, I made sure
/var/lib/amanda/gnutar-lists/euclid.math.ohiou.edu__0.new didn't exist and
also of note is that the exclude file is empty.

[root@euclid /]# /bin/tar --create --file /dev/null --directory /
--one-file-system --listed-incremental
/var/lib/amanda/gnutar-lists/euclid.math.ohiou.edu__0.new --sparse
--ignore-failed-read --totals --exclude-from
/var/log/amanda/sendsize._.20050414123909.exclude .
/bin/tar: ./tmp/.gdm_socket: socket ignored
/bin/tar: ./tmp/gaim_hyclak.0: socket ignored
/bin/tar: ./tmp/xmms_hyclak.0: socket ignored
/bin/tar: ./tmp/.X11-unix/X0: socket ignored
/bin/tar: ./tmp/.font-unix/fs7100: socket ignored
/bin/tar: ./tmp/orbit-hyclak/linc-1b5d-0-c1e4a46c44ed: socket ignored
/bin/tar: ./tmp/orbit-hyclak/linc-5b21-0-1c928a1496c03: socket ignored
/bin/tar: ./tmp/orbit-hyclak/linc-5b9f-0-66f105dcd65a4: socket ignored
/bin/tar: ./tmp/orbit-hyclak/linc-5ba1-0-26e0b1c6e6539: socket ignored
/bin/tar: ./tmp/ssh-Lisbo22174/agent.22174: socket ignored
/bin/tar: ./tmp/ssh-flQTJg4250/agent.4250: socket ignored
/bin/tar: ./tmp/ssh-hGbnhR6745/agent.6745: socket ignored
/bin/tar: ./tmp/ssh-jhRtQt3934/agent.3934: socket ignored
/bin/tar: ./tmp/ssh-rdYCJE6386/agent.6386: socket ignored
/bin/tar: ./var/db/nscd/group: Warning: Cannot seek to 0: Bad file descriptor
/bin/tar: ./var/db/nscd/hosts: Warning: Cannot seek to 0: Bad file descriptor
/bin/tar: ./var/db/nscd/passwd: Warning: Cannot seek to 0: Bad file descriptor
/bin/tar: ./var/lib/rpm/Basenames: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/lib/rpm/Filemd5s: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/lib/rpm/Providename: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/lib/rpm/Requirename: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/lib/rpm/Sha1header: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/lib/rpm/__db.001: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/lib/rpm/__db.003: Warning: Cannot seek to 0: Bad file
descriptor
/bin/tar: ./var/log/lastlog: Warning: Cannot seek to 0: Bad file descriptor
/bin/tar: ./var/run/acpid.socket: socket ignored
/bin/tar: ./var/run/dbus/system_bus_socket: socket ignored
/bin/tar: ./var/run/nscd/socket: socket ignored
Total bytes written: 1257689999360 (1.2TiB, 9.7GiB/s)

It seems like I need to upgrade tar anyway if I'd like to be able to
actually restore files on this system, however from the recent post it would
seem creating the archive shouldn't be a problem...

Thoughts?

Thanks,
Matt

-- 
Matt Hyclak
Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263


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