Volume sizing is used for disk-based volumes – do not use it for tape media volumes.  

If you are using spooling (recommended) your spool size parameters are used to control the size of your job spool and the total spool space available.  The example below shows 50GB of job spool size and a total of 1TB of spool space.  You will need to try sizes that are appropriate for your environment and see what performs best for you.  The job spool size when reached will write to tape at that point.  It will continue with spooling and writing to tape media until the end of data has been reached.  Also for something like a NAS, it’s best to break the backups into more manageable chunks.  Don’t try to backup the entire NAS in one job.  And yes, use the heartbeatinterval feature.

  Maximum Spool Size = 1000GB;

  Maximum Job Spool Size = 50GB;

You don’t mention which version of Bacula that you are using.  If it is 7.4.x is has a resume command that will restart failed jobs roughly from the point that the backup failed.  The documentation will talk about this under Incomplete Jobs.  I have found the use of this feature to be great when it works, otherwise it will start from the beginning as a new job using the job schedule to determine the level of the backup.  Client connection drops are hit and miss on the resume working.

Patti

From: Ian Douglas <ian AT zti.co DOT za>
Organization: Zero 2 Infinity
Reply-To: "ian AT zti.co DOT za" <ian AT zti.co DOT za>
Date: Thursday, April 21, 2016 at 9:33 AM
To: "bacula-users AT lists.sourceforge DOT net" <bacula-users AT lists.sourceforge DOT net>
Cc: Josh Fisher <jfisher AT pvct DOT com>
Subject: Re: [Bacula-users] How to recover from lost connection

hi All

On Thursday 21 April 2016 07:21:08 Josh Fisher wrote:

Yes, most likely. In the 3 hours or so it took to despool to tape, the

SD->FD TCP connection was dropped for some reason. I am of the opinion

that not all interfaces interpret IEE 802.3az Energy-Efficient Ethernet

in the same way, and when one interface puts its transmitter into sleep

mode, the receiving interface sees it as a dropped connection. Setting a

heartbeat should work, if that is what is happening.

Okay thanks, will add that. I guess I will have to start the backup over, how

do I remove what's in the catalog so that I can reset the tape?

Is there a way to write to tape every 50GB or so? I see setting for volume

size but as I understand it (newbie and all) that that refers to the tape size

not the "chunk" size.

Thanks, Ian

--

ian AT zti.co DOT za http://www.zti.co.za

Zero 2 Infinity - The net.works

Phone +27-21-975-7273

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Find and fix application performance issues faster with Applications Manager
Applications Manager provides deep performance insights into multiple tiers of
your business applications. It resolves application problems quickly and
reduces your MTTR. Get your free trial!
https://ad.doubleclick.net/ddm/clk/302982198;130105516;z

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