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Rsync and Alternate Data Streams
- From: Andreas Heinlein <aheinlein at gmx dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 23 Sep 2009 13:34:14 +0200
- Subject: Rsync and Alternate Data Streams
Hello,
no, I do *not* want to transfer ADS with rsync, that would be an FAQ ;-)
But I have setup rsyncd on a windows host using cygwin. This machine
hosts files with ADS which are created by Antivirus software and change
frequently. I do not need to save these ADS, but somehow they seem to
lead rsync to believe the file has changed and transfer it again. Since
we are doing multi-generation backups with rsync and hard links (using
the --link-dest option), this greatly increases space requirements. I
compared old and new files, and they are exactly identical in size,
name, path, permissions (as UNIX/cygwin sees them), they have the same
md5sum.
I have not yet tried running rsync with the checksum option, but since
we are backing up > 200.000 files, that would likely take much too long.
Do you have any ideas how to change this behaviour?
Thanks,
Andreas
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