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Added a hint about alternating media with -update_r

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Thomas Schmitt 2008-03-19 08:21:26 +00:00
parent 50b4c033bf
commit c90cf38e70
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@ -1844,6 +1844,11 @@ Theoretical limits are higher but in practice the media deteriorate more early.
It might also be that your operating system has a session limit with mount.
Always have a blank media ready to perform a full backup in case the update
attempt fails. An overview of sessions is given by option -toc.
.br
\fBBetter do not use your youngest backup for -update_r\fR.
Have at least two media which you use alternating. So only older backups
get endangered by the new write operation, while the newest backup is
stored safely on a different media.
.br
If you have enough re-useable media for a round-robin scheme then better do
full backups with blank media each time. Blanking can be achieved by