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List:       bacula-users
Subject:    Re: [Bacula-users] Vchanger or Bacula disk-changer
From:       Josh Fisher <jfisher () pvct ! com>
Date:       2018-03-22 15:40:14
Message-ID: 4fc550be-2bcb-b838-4891-668c8bf43faa () pvct ! com
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In addition to vchanger and disk-changer, there is a built-in native 
disk autochanger. Which of the methods to use depends on usage scenario.

The native disk autochanger requires no external script or 
configuration, so is probably the way to go for fixed-disk storage. It 
basically allows defining multiple Device resources that all use the 
same directory as their ArchiveDevice. This is great for use with a 
single directory on fixed disk or a single directory mountpoint to which 
you mount one removable drive at a time. Use with multiple simultaneous 
disks is possible by dividing jobs into separate pools and giving 
volumes on each physical disk different MediaTypes.

Vchanger is suited to using removable drives, particularly to using 
multiple simultaneously mounted removable drives as a single group of 
volumes all having the same MediaType and with no restriction on the 
number of pools, slots, or virtual drives. Also, it uses a dynamic 
number of slots that requires no configuration changes.  Vchanger can be 
easily scaled without any changes to the Bacula config by simply 
attaching another of its removable drives and issuing an Update Slots 
command in bconsole.

The disk-changer script works similarly to a simplified vchanger. I 
would always go with vchanger unless installing another app was going to 
be an issue for some reason.

For USB drives, I would probably stick with vchanger.


On 3/21/2018 3:43 PM, Kyle wrote:
> Hello all,
>
>  I am quite new to Bacula. I have been running Bacula 5.0.26 On Ubuntu 
> 14 with the vchanger script from sourceforge with no hiccups.I have 
> recently setup a new machine with Ubuntu Server 16.04 and using Bacula 
> 7.0.5. I have 2 usb drives that I want to do my backups on and read 
> somewhere that I could use the disk-changer script included with 
> Bacula 7 instead of the vchanger script. My question is can the 
> disk-changer script be used with less configuration than the vchanger 
> script needs, simply put if it's not broke don't fix it usually 
> applies so which would any of you recommend vchanger or disk-changer?
>
>
> Thanks in advance,
>
> Kyle Lampkin
>
>
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