Bacula-users

Re: [Bacula-users] btape speed test and LTO-5 drive

2012-07-05 11:04:44
Subject: Re: [Bacula-users] btape speed test and LTO-5 drive
From: Jummo <jummo AT devio DOT us>
To: Mario Moder <lists AT demaio DOT de>
Date: Thu, 5 Jul 2012 11:02:20 -0400 (EDT)
On Thu, 5 Jul 2012, Mario Moder wrote:

> Do you have any non-default values set for your tape drive (block sizes,
> max file sizes, etc.) which could have an influence on the btape test?
>

No special settings just the dfaults.

> Interesting though that you also get no more than 85 MB/s on real
> backups. Are your 85 MB/s the despooling rate or the total backup rate?
>

It's the despooling rate.

For this example backup (a file server) bacula wrote 1.9 TByte of data to the 
first tape, so compression seems to work.


Best Regards,

  - Jummo

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