rsync backup problem on osx

maninsuitcase

maninsuitcase

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Name
Chris
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I am currently using rsync to do my offsite backup to an external HD.

Problem is it seems to be over writing more or less everything with very few files being found as up to date. Most my RAW files for example are not being left and are being rewritten to disc, not skipped as the RAWs shouldn't change.

Could it be lightroom/osx is altering things like access times on the RAW files so meaning they need copying again?

I could tell it to skip existing files but then the catalogue etc would just get more and more out of date.

Anyone got any tips?

using rsync --delete -av ~/Pictures /Volumes/60GB\ BACKUP/ as the command if it helps.
 
Well I ran it again after a very short time and the same thing happened, must be something to do with either the OS or the -a flag which preserves a lot of attributes.
 
Have you tried Grsync utility? It's a gui frontend for rsync backups on mac os. Might be worth trying that to see if you get the same results. If not then it will be something in the particular command you are doing that is it the issue.

Rsync ultimately has no memory so it can only think those files are different hence it wants to copy them. Can you do a list of files it is intending to copy and see whether there is some kind of pattern in the attributes apart from being a RAW?

If you don't use lightroom for a couple of days, does the same thing still happen. This would exclude or include lightroom as the culprit. If it doesn't do it try a different raw processor.

Have you tried lightroom's help/support area. There could be a patch for it.
 
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