Amanda-Users

Re: amrecover from large tapes

2004-06-28 03:41:14
Subject: Re: amrecover from large tapes
From: Paul Bijnens <paul.bijnens AT xplanation DOT com>
To: Jamie Wilkinson <jaq AT spacepants DOT org>
Date: Mon, 28 Jun 2004 09:21:49 +0200
Jamie Wilkinson wrote:

This one time, at band camp, Paul Bijnens wrote:

Jamie Wilkinson wrote:

So, short of recompiling to increase READ_TIMEOUT like amrecover
suggests, is there any simple way to get the restore process to work
faster?  Is there a neat way of keeping a precomputed index of the tape
somewhere so that amrestore can seek to the right image straight away?

In amanda 2.4.3 these two parameters in amanda.conf were introduced:

amrecover_do_fsf yes
amrecover_check_label yes

You need both set to yes if using a vanilla 2.4.4p2 or earlier (a little
bug which was fixed a few weeks later, and is in all current snapshots).

Does the client need to be >= 2.4.3 also?

I have a client running Red Hat 8.0 (amanda-client 2.4.2p2-9) and a
server with RHEL-3ES (amanda-server 2.4.4p1-0.3E) and those two settings
above didn't stop the timeout.

No the client is not relevant, I believe.  (not yet verified in the sources)

Is the server doing an "mt fsf" or is it just reading the tape up to the
matching backup image?

After how long does it time out?  Is there a firewall in between maybe?


--
Paul Bijnens, Xplanation                            Tel  +32 16 397.511
Technologielaan 21 bus 2, B-3001 Leuven, BELGIUM    Fax  +32 16 397.512
http://www.xplanation.com/          email:  Paul.Bijnens AT xplanation DOT com
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