On 10/8/20 5:00 AM, Radosław Korzeniewski wrote:
Hello,
śr., 7 paź 2020 o 13:59 Рукавцов Дмитрий Геннадьевич
<m...@santel-navi.ru <mailto:m...@santel-navi.ru>> napisał(a):
"Enable VSS = no" as i said not solving this problem, and i dunno
why, i don't care about locks. Bacula can't just copy files?
AFAIK, Windows is limited in such a way that it prohibits opening in
different processes an already opened file. To workaround this
fundamental problem the one has to create a filesystem snapshot (VSS
is a framework for it) where you can open every file. In my opinion it
has nothing to do with a deduplication filesystem.
In Windows you must care about locks. Files are opened in Windows with
both an access mode and a share mode (ie. lock mode). If share mode is
set to zero, then no other process may open the file, even as superuser.
Otherwise, for any other share mode, other processes may open the file.
So, most opened files could be opened for read by the bacula-fd process
and backed up normally. But there are a few, mostly system files, that
cannot be backed up without VSS because they are opened in exclusive
mode (with no sharing).
It is possible to turn off VSS and then exclude those system files in
the FileSet definition.
best regards
--
Radosław Korzeniewski
rados...@korzeniewski.net <mailto:rados...@korzeniewski.net>
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