Bacula-users

Re: [Bacula-users] Rif: Re: LTO3 performance

2009-01-09 08:52:49
Subject: Re: [Bacula-users] Rif: Re: LTO3 performance
From: Alan Brown <ajb2 AT mssl.ucl.ac DOT uk>
To: Chris Hoogendyk <hoogendyk AT bio.umass DOT edu>
Date: Fri, 9 Jan 2009 13:49:23 +0000 (GMT)
On Thu, 8 Jan 2009, Chris Hoogendyk wrote:

> In other words the length entered in the tapetype definition is only
> used for planning and scheduling. The "error" will normally be the end
> of tape "error", which allows for a variable amount of data actually
> being written to the tape, which would include allowing for variable
> hardware compression results.

OK, That's nice to know. Other packages I've worked with have often used
fixed data size per volume.

> Also, I have no idea what you mean by "all or nothing restores". That's
> just wrong.

My last experience with Amanda in anger was nearly 10 years ago...

Again, some other backup packages can only restore a full fileset, or have
to run a full restore in order to pluck out specific files.

Bacula's database takes individual file restore times from hours down to
minutes in most cases and that's something that the staff here are still
coming to terms with (We don't want to advertise this, Windows users erase
work-critical files often enough as it is...)

AB




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