> Hi,
> 
> i want to backup to usb disks every day, so i decided to install vchanger and
> use one usb disk for every day.
> 
> my problem is that vchanger/bacula sometimes doesn't recognize my disks.
> 

I tried vchanger for this once but couldn't get it to do what I wanted. I had 
much more success with using autofs.

auto.master looks like:

/backup /etc/auto.backup --timeout=30

/etc/auto.backup looks like:

offsite -fstype=auto,rw 
:/dev/disk/by-path/pci-0000\:02\:00.0-usb-0\:1\:1.0-scsi-0\:0\:0\:0-part1

so when you access /backup/offsite, the disk in the nominated USB slot is 
mounted, and is then unmounted 30 seconds after it is last accessed.

the bacula-sd config looks like:

Device {
  Name = offsite
  Media Type = File
  Archive Device = /backup/offsite
  Device Type = File
  AutomaticMount = yes;
  AlwaysOpen = no;
  Volume Poll Interval = 10;
  Random Access = yes;
  Spool Directory = /var/spool/bacula
  Label Media = no
}

This works really well for me.

James


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