Bacula-users

Re: [Bacula-users] Quantum Scalar i500 slow write speed

2010-08-05 06:13:43
Subject: Re: [Bacula-users] Quantum Scalar i500 slow write speed
From: Thomas Mueller <thomas AT chaschperli DOT ch>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 5 Aug 2010 10:10:51 +0000 (UTC)
Am Thu, 05 Aug 2010 05:57:06 -0400 schrieb ekke85:

> Hi
> 
> I have a Quantum Scalar i500 and it works in Bacula, but it is very
> slow. It writes at 22mb/sec. The drives should be able to do a lot more
> then that. I have to backup 11TB that takes a couple of days to
> complete, I don't want to think how long it would take to restore :(
> This is the output I get from btape without hardware compression:
> 

* did you enable (at least attribute) spooling?
* with what speed can you actually read the data ? (try to make a tar of 
a large directory "time tar -cf /dev/null <path/to/directory>" )
* is the storage daemon on the same machine as the 11tb data?

- Thomas


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