BackupPC-users

Re: [BackupPC-users] Is there a speed setting?

2009-08-17 16:34:38
Subject: Re: [BackupPC-users] Is there a speed setting?
From: "Jeremy Mann" <jeremy AT biochem.uthscsa DOT edu>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Mon, 17 Aug 2009 15:30:53 -0500 (CDT)
Michael Stowe wrote:
>
> So, wait, something in you network is capable of sustaining this kind of
> bandwidth usage in anything other than short  bursts?  Were you sending
> sparse files or something?  Were you backing up /dev/random?
>
> I'd really like to hear about the setup that managed to usefully transfer
> data anywhere near gigE speed.
>
>> 50Mbit (5 MB/s)  is *not* very quick when I'm used to our old rsync
>> scripts that utilized our full gigE network.

Well, I take that back, its not "full" gigE speed, but with our original
rsync scripts I've seen sustained speeds up to 95 MB/s from all over
campus. Now since I've switched to BackupPC for deduplication, I'm seeing
1-5 MB/s on the same servers.

-- 
Jeremy Mann
jeremy AT biochem.uthscsa DOT edu

University of Texas Health Science Center
Bioinformatics Core Facility
http://www.bioinformatics.uthscsa.edu
Phone: (210) 567-2672


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