Commit 9470a7b6 authored by Sebastian Stark's avatar Sebastian Stark

mention mlocate

parent 91c82a8b
......@@ -147,6 +147,31 @@ Sending happens through use of the standard mail(1) command, make sure your
system is configured accordingly.
System Prerequisites
Obviously you need a file system where you can store enough data to fit the
dataset you are backing up. It is not possible to predict how much space will
be needed for a given schedule and update pattern of data. You should at least
make the snapshot file system such that it can be easily extended if needed.
Starting with a factor of 1.5 to 2 should be sufficient.
If you are using mlocate or a similar mechanism to index your files, make sure
you exclude your snapshot file system from it, e. g. like this:
$ cat /etc/updatedb.conf
# PRUNENAMES=".git .bzr .hg .svn"
PRUNEPATHS="/tmp /var/spool /media /var/lib/os-prober /var/lib/ceph /home/.ecryptfs /var/lib/schroot <b>/snapshots</b>"
PRUNEFS="NFS nfs nfs4 rpc_pipefs afs binfmt_misc proc smbfs autofs iso9660 ncpfs coda devpts ftpfs devfs devtmpfs fuse.mfs shfs sysfs cifs lustre tmpfs usbfs udf fuse.glusterfs fuse.sshfs curlftpfs ceph fuse.ceph fuse.rozofs ecryptfs fusesmb"
If you do not exclude your snapshots you will get enormously big mlocate.db
files with lots of redundant information.
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