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Tar Incremental/Multivolume Backup

Table of Contents

Experimenting tar incremental backup

$ yes | tar -cvf /tmp/txtHist -M -L 5 .
./
./i/
./i/IiDev.doc
Prepare volume #2 for `/tmp/txtHist' and hit return: Prepare volume #3 for `/tmp/txtHist' and hit return: Prepare volume #4 for `/tmp/txtHist' and hit return: Prepare volume #5 for `/tmp/txtHist' and hit return: ./i/IiMain.doc
[...]
./CgFiles.doc
Prepare volume #700 for `/tmp/txtHist' and hit return: Prepare volume #701 for `/tmp/txtHist' and hit return:

$ dir /tmp/txtHist*

— only one file created!

$ tar tvf /tmp/txtHist
tar: This does not look like a tar archive
tar: Skipping to next header
tar: Error exit delayed from previous errors

— Failed!?. Specifying -M won't help.

TODO:

investigate why above failed
need to organizate the archive into a sequence of files —info-script=SCRIPT-NAME
better add some label? —label="SOME-PREFIX `date +SOME-FORMAT`"