Correction about Linux mount which does not accept session= with DVD.

This commit is contained in:
Thomas Schmitt 2008-03-22 19:44:59 +00:00
parent 9558299400
commit 887fdfba2e

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@ -1835,9 +1835,12 @@ on media and if the expected changes are much smaller than the full backup.
An update run will probably save no time but last longer than a full backup.
.br
With overwriteable media like DVD+RW or disk files, the older backup versions
cannot be retrieved. But with multi-session media and mount option "session="
cannot be retrieved. But with multi-session media and mount option "sbsector="
it is possible to access the session trees which represent the older backup
versions.
versions. sbsector of a session is its "data lba:" number from xorriso
option -toc.
With CD media, Linux mount accepts session numbers directly by its option
"session=".
.br
\fBDo not write more than about 50 sessions\fR to one multi-session media.
Theoretical limits are higher but in practice the media deteriorate more early.