Bacula-users

[Bacula-users] Configuring LTO-6 SD...

2015-04-13 05:29:04
Subject: [Bacula-users] Configuring LTO-6 SD...
From: "Gary R, Schmidt" <grs AT mcleod-schmidt.id DOT au>
To: <bacula-users AT lists.sourceforge DOT net>
Date: Mon, 13 Apr 2015 18:56:29 +1000
Hi,
I am starting the process of replacing an existing but defunct Bacula 
(3.0.3) environment with a newer tape autoloader, and, of course, the 
latest Bacula.

It broke some time ago (don't ask), so there is no upgrade happening 
here, it's new bits and pieces, in part, using the same hardware for the 
director.

I am replacing a SCSI HP 1/8 G2 LTO-4 autoloader with an FC HP 1/8 G2 
LTO-6 autoloader, and I wonder just what settings I should use?

The LTO-4 was configured like this:
   Device {
     Name = LTO-4
     Media Type = LTO-4
     Archive Device = /dev/rmt/0cbn
     AutomaticMount = yes;               # when device opened, read it
     AlwaysOpen = yes;
     RemovableMedia = yes;
     RandomAccess = yes;
     Maximum Network Buffer Size = 262144
     Maximum Block Size = 262144
     Maximum File Size = 5GB
     Changer Command = "/opt/local/bacula/scripts/mtx-changer %c %o %S 
%a %d"
     Changer Device = /dev/changer
     Autochanger = yes
     # Enable the Alert command only if you have the mtx package loaded
     Alert Command = "sh -c '/opt/local/sbin/tapeinfo -f %c |grep 
TapeAlert|cat'"
     ## If you have smartctl, enable this, it has more info than 
tapeinfo
     ## Alert Command = "sh -c 'smartctl -H -l error %c'"
   }

And I wonder what I should change to better use the increased speed and 
capacity of the LTO-6.

Almost by reflex I want to change the Maximum Block Size, and Maximum 
File Size, but to what?

When I get everything built I will play with the "speed" command in 
btape, and I have a fair bit of reading to do!

Oh, I've tested it all using the 3.0.3 btape, so I know that the 
hardware works, but I would like it to work optimally.  (And yes, I will 
have spooling turned on.)

         Cheers,
                 Gary    B-)

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