Jeffrey J. Kosowsky wrote at about 00:39:10 -0500 on Monday, February 14, 2011:
 > My incremental backups seem to be taking FOREVER now.
 > I am backing up my server onto a SOHO NAS device.
 > Incrementals used to to take about 30 minutes.
 > Now it has been running for 16 hours and it is only partially through
 > (though not stuck). 
 > 
 > I don't think it's a network bandwidth/transfer speed issue since
 > NewFileList shows that only 1068 new files have been accumulated in 16
 > hours (and there are no super long or multimedia files -- it really
 > has just been backing up mostly my /usr partition). 
 > 
 > In fact, the total size of the partition is 13GB so the speed is only about
 > 220KB/sec even if all files were transferred completely. Even with
 > BackupPC running, I can get raw UDP network transfer speeds of
 > 11MB/sec between the server and the NAS. And the NFS transfer speeds
 > to copy a file using dd is about 5.5MB/sec. These speeds are 50 and 25
 > times the speed it would take to copy over the entire partition yet
 > BackupPC is still running...
 > 
 > Also BackupPC is consuming minimal processor resources (and nothing
 > else is much running either on the server or the NAS). Also minimal
 > swap space is being used.
 > 
 > 
 > And since BackupPC itself is running on the server so for an incremental
 > there shouldn't be much need for bandwidth over the NAS link anyway
 > (especially since I have rsync checksum caching).
 > 
 > So what should I be checking as possible causes of such a dramatic
 > slowdown of incremental backups?

OK it has now been 24 hours and it has only found a total of 1685 new
files and has only gone through about 15GB of files. What could
possibly be causing an incremental to take that long????

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