Is it possible to specify a client name as well as a path for exclusion lists in
a FileSet?
We use NIS in our environment. There's a category of auto-mounted directories,
used for incremental calculations, that never need to be backed up. Those
directories are defined in an automount map served via NIS.
A script is defined within the FileSet resource that dynamically generates a
list of directories to exclude, based on the paths in the automount map.
The problem is that the paths in the exclude list don't include a client name,
leading to the possibility that the same path will exist on different servers,
where one should be backed up.
For example:
server + path automount map mounted as backup?
============= ============= ========== =======
server1:/san1/JohnDoe auto.scratch /scratch/JohnDoe no
server2:/san1/JohnDoe auto.home /home/JohnDoe yes
In this case, if I generate the exclusion list based on the contents of the
automount map "auto.scratch" (which never needs to be backed up), it will
contain "/san1/JohnDoe". This means that the important files in server2:/san1/
JohnDoe will also be excluded.
How is the
File = "|...."
mechanism implemented in the FileSet resource? Is there any way for the external
program to determine which client backup is causing the call to the program? For
example, if Bacula set and exported environment variables with details about the
job (the job name, client name, level, etc.), then the external program to test
that the server listed in the automount map matches the current client, and no
other machine.
Is the dynamic exclude list built for each backup job, or just once when the
bacula-fd daemon starts?
Environment:
bacula 1.38.11 (soon to move to 2.x.x)
bacula-fd under Linux
mysql5
============= snippet from bacula-dir.conf ========================
FileSet
{
Name = "Full Set"
Ignore FileSet Changes = yes # The default is "no", meaning that a change in
the
# fileset spec will trigger a full backup for
# the next backupup. However, if the change to
# the fileset is designed to exclude more files
# (as it would here, since the default stance is to
# backup all local files except those specifically
# excluded), then running a Full would defeat
# the purpose of changing the FileSet spec.
Include
{
Options
{
fstype = reiserfs
fstype = ext2
fstype = xfs
fstype = ufs
onefs = no
signature = MD5
Exclude = yes
wildFile = "/usr/local/bacula/var/working/*spool"
wildFile = "/usr/local/bacula/var/working/*sql"
wildFile = "*/var/lib/mysql/*/*.MYI"
wildFile = "/var/lib/mysql/*/*.MYD"
wildDir = "/var/cache/*"
wildDir = "/var/run/*"
wildDir = "/var/spool/clientmqueue/*"
wildDir = "/var/spool/cups/tmp/*"
wildDir = "/lost+found/*"
wildDir = "/dev/pts/*"
wildDir = "/dev/shm/*"
wildDir = "/proc/*"
wildDir = "/tmp/*"
wildDir = "/var/lock/*"
wildDir = "*/var/spool/bacula/*"
wildDir = "bacula-spool/*"
wildDir = "/var/tmp/*"
}
File = /
}
# Exclude Stuff
Exclude
{
File = /var/log/wtmp
File = /var/log/wtmpx
File = /var/log/utmp
File = /var/log/lastlog
File = /var/adm/wtmp
File = /var/adm/wtmpx
File = /var/adm/utmp
File = /var/adm/lastlog
File = core
File = /.fsck
File = /.journal
File = "|/usr/local/bacula/bin/dynamic_excludes"
}
}
===================================================================
----
Mark Bergman [EMAIL PROTECTED]
System Administrator
Section of Biomedical Image Analysis 215-662-7310
Department of Radiology, University of Pennsylvania
http://pgpkeys.pca.dfn.de:11371/pks/lookup?search=mark.bergman%40.uphs.upenn.edu
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