I just bought a Plextor DVD-writer, 100 DVD-RW disks, and a bag for them.
Now wondering best practises with DVD backups.
My first backup is running, so configuration seems to be ok. However, I did not
set "Maximum Part Size". Should I? I see often used 800M as that. What good
does it bring?
If the spool file is bigger than free space, that part will stay on harddisk?
No way, I guess bacula does not create bigger parts than the free space on
current media, right?
What other gotchas there might be?
My bacula-sd contains
Device {
Name = "DVD_RW" #
Media Type = "DVD+RW"
Device Type = DVD
Archive Device = /dev/hdc
Requires Mount = Yes;
Automatic Mount = Yes; # when device opened, read it
Offline On Unmount = Yes;
Mount Point = /mnt/dvd
Mount Command = "/bin/mount -t iso9660 -o ro %a %m" # mount as Read
Only to save DVD+RW from counting as written. Bacula still writes fine.
Unmount Command = "/bin/umount %m"
Write Part Command = "/etc/bacula/scripts/dvd-handler %a write %e %v"
Free Space Command = "/etc/bacula/scripts/dvd-handler %a free"
Always Open = yes;
Removable Media = yes;
Random Access = yes;
Spool directory = /usr/local/srv/backup ;
Maximum Spool Size = 20GB
Maximum Job Spool Size = 10GB
}
bacula-dir contains
# Definition of DVD+RW storage device
Storage {
Name = DVDRW-Drive
Address = wellington.lan.dyn-o-saur.com # N.B. Use a fully qualified name here
SDPort = 9103
Password = "xxx" # password for Storage daemon
Device = "DVD_RW" # must be same as Device in Storage daemon
Media Type = "DVD+RW" # must be same as MediaType in Storage daemon
Maximum Concurrent Jobs = 1 # Only one job must be allowed to write to
DVD
}
Any thoughts?
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