BackupPC-users

[BackupPC-users] incremental backups taking longer than full

2008-10-30 09:44:07
Subject: [BackupPC-users] incremental backups taking longer than full
From: Mark Maciolek <mlm AT sr.unh DOT edu>
To: backuppc-users AT lists.sourceforge DOT net
Date: Thu, 30 Oct 2008 08:54:43 -0400
hi,

Using rsync between two linux servers, the full took 2.5 hours, the 
incremental backups are taking longer each day.

2008-10-21 23:00:01 full backup started for directory /
2008-10-22 02:32:55 full backup 0 complete, 294903 files, 203401100538 
bytes, 28 xferErrs (0 bad files, 0 bad shares, 28 other)
2008-10-22 23:00:00 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-23 04:59:40 incr backup 1 complete, 541 files, 170443233887 
bytes, 11 xferErrs (0 bad files, 0 bad shares, 11 other)
2008-10-23 23:00:00 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-24 06:41:00 incr backup 2 complete, 889 files, 169752997145 
bytes, 10 xferErrs (0 bad files, 0 bad shares, 10 other)
2008-10-24 23:00:00 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-25 06:41:42 incr backup 3 complete, 1190 files, 170136700321 
bytes, 1 xferErrs (0 bad files, 0 bad shares, 1 other)
2008-10-25 23:00:01 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-26 06:28:34 incr backup 4 complete, 1491 files, 170214964434 
bytes, 13 xferErrs (0 bad files, 0 bad shares, 13 other)
2008-10-26 23:00:01 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-27 06:54:31 incr backup 5 complete, 1826 files, 170294261665 
bytes, 2 xferErrs (0 bad files, 0 bad shares, 2 other)
2008-10-27 23:00:01 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-28 07:01:38 incr backup 6 complete, 2174 files, 170711300863 
bytes, 14 xferErrs (0 bad files, 0 bad shares, 14 other)
2008-10-28 23:12:21 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /
2008-10-29 08:27:44 incr backup 7 complete, 2481 files, 171012691775 
bytes, 2 xferErrs (0 bad files, 0 bad shares, 2 other)
2008-10-29 23:18:49 incr backup started back to 2008-10-21 23:00:01 
(backup #0) for directory /


The command that is running:

incr backup started back to 2008-10-21 23:00:01 (backup #0) for directory /
Running: /usr/bin/ssh -q -x -l root stella /usr/bin/rsync --server 
--sender --numeric-ids --perms --owner --group -D --links --hard-links 
--times --block-size=2048 --recursive . /
Xfer PIDs are now 1783
Got remote protocol 28
Negotiated protocol version 28
Sent exclude: /tmp
Sent exclude: /net
Sent exclude: /sys
Sent exclude: /proc
Sent exclude: /dev
Xfer PIDs are now 1783,1792


Any suggestions on what to look for as too why the incremental backups 
take so much longer than the full?

Mark
-- 
Mark Maciolek
Network Administrator
Morse Hall 339
862-3050
mlm AT sr.unh DOT edu
https://www.sr.unh.edu

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