Re: [Bacula-users] Bacula configration for FC LTO-5 tape drive

Subject:

From:

Arunav Mandal <dibun AT hotmail DOT com>

To:

Date:

Wed, 5 Jan 2011 21:11:52 +0100

Very true, in real world data is so different that compression ratio is different. Is there any easy way to find out how much data is stored per tape?

Arunav.

> Date: Wed, 5 Jan 2011 10:45:09 -0500
> Subject: Re: [Bacula-users] Bacula configration for FC LTO-5 tape drive
> From: drescherjm AT gmail DOT com
> To: dibun AT hotmail DOT com; Bacula-users AT lists.sourceforge DOT net
>
> > Is there any way I can test the full capacity of tape with compression?
> >
>
> That question does not make total sense. I mean compression is
> dependent on the data you supply. On one tape you can get 5:1 on a
> second tape you can get 1.1:1 depending on your data. For me I average
> 1.5:1 compression. And that seems to be the expectation even though
> the standard claims the overly optimistic 2:1.
>
> John

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