Jacques B. wrote:
I use dar to make archive slices of my data and then use the attached
script to burn and verify each slice to a DVD. The script also creates a
catalog file (that you can reference for future backups/restores), a parity
file for each slice and verifies the burn. I use cron to run this on a
daily basis and e-mail myself when it fails (so I can change the DVD and
the reference point to use the latest dar catalog file). This works well as
long as your daily backups will fit on one DVD or less.
<snip>
You criticized others for their solutions, yet yours also does not
address his needs. You said "This works well as long as your daily
backups will fit on one DVD or less." At first he was talking 1 TB,
so definitely not 1 DVD. He then dropped to 50 GB, still a far, far
cry from one DVD (unless blue ray), and said it would be monthly.
50 GB monthly would translate to less than 1 DVD daily.
> He
later clarified it was for his home server, and "I don't need
incremental (I guess that is harder to do on multiple dvd mediums),
just a full backup to dvds. I have personal images and video files I
need to backup.". After all this you fault those who suggested a more
practical solution (can't think of any situation where backing up 50
gigs to DVD would be the most practical solution) and turn around and
suggest one that by your own admission is only practical if backing up
one DVD per instance (week, month, whatever) when clearly the OP's
requirements far exceed that.
I think dar offers to split the backup to media-sized chunks and wait
while one is written before generating the next, so it would be usable
(in some sense of the word) for multi-dvd output. But if the specific
problem is keeping up with photos or other pre-compressed media files
being generated regularly you might as well just keep track of the
timestamp of the last run and drag the new ones into k3b or similar
program that writes data dvds.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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