On Fri, Nov 7, 2008 at 3:14 PM, Jari Fredriksson <jarif AT iki DOT fi> wrote:
>
> 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?
>
>
Make sure you have dvd+rw-tools-7.1 or greater. If you have a previous
version you will need to upgrade.

John

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