Bacula-users

Re: [Bacula-users] Bacula transfer limited 100Mbit/s

2013-05-04 10:57:01
Subject: Re: [Bacula-users] Bacula transfer limited 100Mbit/s
From: Wolfgang Denk <wd AT denx DOT de>
To: bacula-users AT lists.sourceforge DOT net, jburkemx <bacula-forum AT backupcentral DOT com>
Date: Sat, 04 May 2013 16:52:36 +0200
Dear jburkemx,

In message <1367616525.m2f.384594 AT www.backupcentral DOT com> you wrote:
> 
> I have an TL2000 w/dual LTO5 and when running the btape speed tests I get the 
> the following results:
> 
> zero data = 146.4 MB/s to 189.4 MB/s
> random data = 56.51 MB/s to 116 MB/S
> 
> zero data and bacula block structure = 111 MB/s to 151.5 MB/S
> 
> The slowest tape speed (56.51 MB/s = 452 Mbit/s) is still way faster than the 
> network transfer speed.

This is unusually slow for LTO5; you should see data rates of 200 MB/s
and more here.  Seems there is at least one other bottleneck in your
setup.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd AT denx DOT de
Microsoft Multimedia:
You have nice graphics, sound and animations when the system crashes.

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