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Old 02-08-2010, 05:32 PM   #1
icegood
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linux diff for links nonresolving


Where can i find such subj? I don't see that standart diff supports such feature. It will be used for backup big directory like /home. Because directory is too big so repositories like svn are unacceptable. Good case seems to be diff+tar.gz to save differences for last n-th monthes for example. /home could contain doth hard and symbolic links that are not resolvable on backup machine but could have sense at all (= be resolvable on other machines where /home is used too via nfs mounting).
 
Old 02-08-2010, 05:47 PM   #2
Meson
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I'm having a hard time understanding what you're asking. Are you trying to do a differential backup, but having a hard time with sym/hardlinks? Can I you confirm that you're not actually doing an incremental backup? Are these all text files?
 
Old 02-09-2010, 07:38 AM   #3
icegood
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Quote:
Originally Posted by Meson View Post
I'm having a hard time understanding what you're asking. Are you trying to do a differential backup, but having a hard time with sym/hardlinks? Can I you confirm that you're not actually doing an incremental backup?
In general terminology it's rather Reverse incremental - i want have last work copy + 3-month deltas each of them is per-week

Quote:
Originally Posted by Meson View Post
Are these all text files?
Generally speaking - no.

Last edited by icegood; 02-09-2010 at 08:31 AM.
 
Old 02-09-2010, 09:37 AM   #4
Meson
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You should check out rsync and the --compare-dest option along with all of the different options for handling hard and soft links.
 
Old 02-09-2010, 09:46 AM   #5
icegood
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You should check out rsync and the --compare-dest option along with all of the different options for handling hard and soft links.
Are that options within diff? My diff under debian hasn't such options
 
  


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