BackupPC-users

Re: [BackupPC-users] Problems with hardlink-based backups...

2009-09-04 12:32:57
Subject: Re: [BackupPC-users] Problems with hardlink-based backups...
From: Peter Walter <pwalter AT itlsys DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Fri, 04 Sep 2009 12:28:07 -0400
Jeffrey J. Kosowsky wrote:

> I agree with your need but good luck since there is a vociferous group
> of contributors here who think the solution is always ZFS or general
> block copy. They can't seem to understand that not only is there a
> broad base of users who would like a file-level backup approach but
> that actually the known structure of the pool and pc trees makes that
> possible in O(n log n) time even without making any changes to the
> current BackupPC program.
>
> I am happy to help with suggesting and debugging algorithms and with
> testing. I am probably not the right one to code such a program since
> I have no experience with coding for speed and my results would
> (hopefully) work but would likely be more of a brute-force hack.
>   
Holger has kindly promised to create  scripts incorporating algorithms 
that would be able to backup a backuppc server  with a file-based 
approach. I have asked that he incorporate the pooling feature. If / 
when he provides the scripts, I will contact you to help me with testing 
them.

Peter


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