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[Bug-tar] listed-incremental and LVM snapshots
From: |
Xen |
Subject: |
[Bug-tar] listed-incremental and LVM snapshots |
Date: |
Sun, 06 Sep 2015 00:34:35 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0.1 |
I am trying to do LVM snapshot backups.
Whatever option I use, thus far, Tar will "complain" that all
directories have changed from one backup to the next.
Two identical commands except for the output file:
tar -cvvf /backup/local-first.tar -g /backup/local-first.lst
--atime-preserve=system -C /snap . &> /backup/local-1.log
tar -cvvf /backup/local-second.tar -g /backup/local-first.lst
--atime-preserve=system -C /snap2 . &> /backup/local-2.log
Done off of two different snaphots.
Output of the second log file:
tar: .: Directory has been renamed
tar: ./bin: Directory has been renamed
tar: ./games: Directory has been renamed
tar: ./include: Directory has been renamed
tar: ./lib: Directory has been renamed
tar: ./lib64: Directory has been renamed
tar: ./lost+found: Directory has been renamed
tar: ./man: Directory has been renamed
tar: ./sbin: Directory has been renamed
tar: ./share: Directory has been renamed
tar: ./src: Directory has been renamed
And so on.
It will simply recreate all those "changed" directories in the new
archive, effectively storing all the same files.
Is there a solution to this?
tar (GNU tar) 1.28
Oh, never mind. I think I found the --no-check-device option. I had
remembered reading about it but I forgot.
Damn this has been hard again....
Regards.
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