Bacula-users

Re: [Bacula-users] Optimizing disk based backups

2008-05-23 14:49:12
Subject: Re: [Bacula-users] Optimizing disk based backups
From: Ryan Novosielski <novosirj AT umdnj DOT edu>
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 23 May 2008 14:48:51 -0400
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Michael Short wrote:
> Hello,
> 
> I realize that Bacula was originally developed for tape based backup
> systems, but disk space is becoming more inexpensive everyday. It is
> cheaper and more reliable to maintain a system which uses disk based
> mediums to store backup data. The problem is that disk based restores
> are unnecessarily slow, due to the linear nature of the backup
> volumes.
> 
> I am addressing this problem because at some point it would be
> necessary to access old backup archives should anyone implement an
> rsync or xdelta type enhancement for Bacula. Perhaps instead of
> storing individual file locations in the catalog, an index of the
> backup could be stored at the beginning or end of a volume, so that
> unnecessary "forward spacing" would no longer be needed for disk based
> volumes. This extra would also make the process of recovering catalog
> information from volumes much less painful.

Don't disk-based volumes use fseek as of quite awhile ago? Or is this
not what you're talking about?

- --
 ---- _  _ _  _ ___  _  _  _
 |Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Systems Programmer II
 |$&| |__| |  | |__/ | \| _| |novosirj AT umdnj DOT edu - 973/972.0922 (2-0922)
 \__/ Univ. of Med. and Dent.|IST/AST - NJMS Medical Science Bldg - C630
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