Amanda-Users

Re: amrestore and tape rewinding

2009-05-26 16:42:16
Subject: Re: amrestore and tape rewinding
From: Darin Perusich <Darin.Perusich AT cognigencorp DOT com>
To: "Dustin J. Mitchell" <dustin AT zmanda DOT com>
Date: Tue, 26 May 2009 16:32:35 -0400
Dustin J. Mitchell wrote:
> On Tue, May 26, 2009 at 2:56 PM, Darin Perusich
> <Darin.Perusich AT cognigencorp DOT com> wrote:
>> Why does 'amrestore' always rewind the tape when I go to restore
>> something? This is something I just started seeing after upgrading to
>> 2.6.x, it wasn't happening with previous versions, 2.5.2. The man page
>> says I can use '-f #' to fast forward the tape to a specific mark but
>> when I've already done this or I want to say back it up a few marks to
>> restore something else, or start another restore beginning at the
>> current mark it's really a waste of time having to wait for the rewind
>> and the ran back down the tape to retrieve the image.
> 
> Amanda no longer relies on the no-rewind tape device, and always
> positions the tape itself.

Being able to specify with an argument, -n or whatever, to not rewind
the tape would be convenient, a time saver, and make for more efficient
recovery I would think.

> You may want to consider using a single amrestore invocation to get
> the data you need, or using amrecover.
> 

The amount of data I'm attempting to restore is larger then the
available holding disk space so using a single invocation or amrecover
isn't an option.

-- 
Darin Perusich
Unix Systems Administrator
Cognigen Corporation
395 Youngs Rd.
Williamsville, NY 14221
Phone: 716-633-3463
Email: darinper AT cognigencorp DOT com

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