Amanda-Users

Re: Amanda backups suddenly slowed down

2004-12-13 06:37:20
Subject: Re: Amanda backups suddenly slowed down
From: "Gavin Henry" <ghenry AT suretecsystems DOT com>
To: "Peter Johnston" <peter.johnston AT edina.co DOT uk>
Date: Mon, 13 Dec 2004 11:28:37 -0000 (GMT)
Peter Johnston said:
> Hi
>
> I've been using amanda for some time now, generally with great success.
> However, a couple of weeks ago the backups started taking much, much
> longer
> to run.  To give you an idea, a typical run time was between 3 and 4
> hours.
> It's now taking anywhere between 15 and 25 hours!
>
> Obviously the question 'What happened two weeks ago that changed this?'
> appears.  I can't find an answer to that.  I added an extra machine to the
> backup set about then, but that machine seems to be backing up in a
> perfectly reasonable time as far as I can see.  The switches that all the
> machines involved are attached to are monitored by MRTG and it looks from
> the graphs that barely any bandwidth is being used - the amanda server is
> plugged into a gigabit switch and during the backup only about 1-6Mb are
> being used.
>
> The amanda server is running on Fedora Core 2, with clients on Solaris 7
> and
> 8, AIX and RedHat Linux 6 (yes ancient I know!).  The server is generally
> updated using yum from Fedora's repository, so any update from there is
> probably applied.  I'm running amanda 2.4.4p4 on the server.
>
> If anyone can help me figure out what has gone wrong then that would be
> great!
>

Hi Peter,

Could you post your amcheck e-mails before and after 2 weeks ago and your
amreport e-mails for the same period, if possible?

Or even a amcheck -a AmandaConfName now?

Gavin.

-- 
Kind Regards,

Gavin Henry.
Managing Director.

T +44 (0) 1467 624141
M +44 (0) 7930 323266
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E ghenry AT suretecsystems DOT com

Open Source. Open Solutions(tm).

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