[CentOS] Disk usage incorrectly reported by du

Thu Mar 20 13:43:54 UTC 2014
Robert Nichols <rnicholsNOSPAM at comcast.net>

On 03/19/2014 01:37 PM, John R Pierce wrote:
> On 3/19/2014 6:36 AM, Radu Radutiu wrote:
>> I'll modify my rsync command to preserve hard links.
> note that on a large file system with a large number of files, thats
> VERY expensive, as rsync has to keep a list of every inode number on the
> whole file system and verify each directory entry isn't pointing to an
> inode its already linked.  if there's a few million files, this data
> structure gets HUGE in memory.

I would hope that rsync is clever enough to do this only for non-directory
files with a link count greater than 1.  Yes, for some backup archives
that still could be the vast majority of the files.

Bob Nichols     "NOSPAM" is really part of my email address.
                 Do NOT delete it.