[Dirvish] Heads up for DST if you backup to/from FAT/NTFS filesystems

Eric Mountain em-dirvish-1 at nerim.net
Mon Mar 28 08:09:34 PST 2005


I don't know when e.g. the US switches to DST (Daylight Savings Time), but 
France did so yesterday.

You might want to check out a mail of JW's from Oct 2003 to make sure you're 
not impacted if you backup to/from FAT/NTFS filesystems:


I got hit because I have a dual boot machine which has the hardware clock on 
UTC.  I run dirvish under Linux and backup part of the Windows ME FAT 
filesystem (My Docs).  rsync considered that all files had changed and 
created a new copy of all files on the backup.

The fix was of course to add:


to the conf file for the MyDocs backup.  Note that I don't need 3601": 3600" 
is sufficient, since the *target* for the backup is a filesystem with 
below-the-second timestamp accuracy).

Eric Mountain

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