Here's something interesting. Bacula 2.2.4 on both client (64-bit CentOS
4.5) and director (32-bit CentOS 4.5).
During a backup:
JobId 3516 Job asimov_data7.2007-12-20_23.00.08 is running.
Backup Job started: 20-Dec-07 23:44
Files=111,850 Bytes=1,863,801,574 Bytes/sec=15,977 Errors=0
Files Examined=16,999,856
Processing file: /mnt/mda/data7/XXX
SDReadSeqNo=5 fd=14
The "Files Examined" count will eventually go to about 18.5 million by the
end of the backup (for every full or incremental backup). However, the
include list for this job includes only a single relatively static file
system, on which there are only just over 13 million inodes in use:
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sdh1 36552704 13377854 23174850 37% /mnt/mda/data7
So what is the "Files Examined" count really telling me? The JobFiles
count from a 'list job' is correct, however.
Secondly, note the very low bytes/sec figure for this backup. This is an
ext3 file system with dir_index turned off: an incremental backup takes
25-30 hours to complete. I have an identical copy of this file system on
the same client with dir_index turned on: an incremental backup of this
takes only 4 hours. Both are SAS 300GB 10k rpm, RAID-1. Lots of
directories over 4K, I suspect, but I don't know the count.
Steve
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