On Tue, Jun 12, 2012 at 9:39 AM, <ericbamba...@discover.com> wrote: > Alan, > > What is the rsync command used? If it hits a large group of files > with no differences (easy to believe across 12TB) but has to compare the > checksums anyways (forced by you or failing the size+time compare) you'll > be I/O bound with almost no corresponding network traffic as it just has > to send the checksums.
Here is what shows up in the process list. BTW this is running Ubuntu 12.04 Live USB stick. But I saw the same behavior on the same machine last week on RHEL5. 0 R root 20991 20986 15 80 0 - 51725 - Jun11 pts/2 03:05:18 /usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded --include-from=/usr/local/etc/rsnapshot.d/include --exclude-from=/usr/local/etc/rsnapshot.d/exclude /data /mnt/1J4400/rsnapshot/daily.0/ZFS/ 5 S root 20992 20991 0 80 0 - 48034 poll_s Jun11 pts/2 00:00:34 /usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded --include-from=/usr/local/etc/rsnapshot.d/include --exclude-from=/usr/local/etc/rsnapshot.d/exclude /data /mnt/1J4400/rsnapshot/daily.0/ZFS/ 5 R root 20993 20992 16 80 0 - 59897 - Jun11 pts/2 03:14:28 /usr/bin/rsync -a --delete --numeric-ids --relative --delete-excluded --include-from=/usr/local/etc/rsnapshot.d/include --exclude-from=/usr/local/etc/rsnapshot.d/exclude /data /mnt/1J4400/rsnapshot/daily.0/ZFS/ -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
