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From: "Helmut Hullen" <Hullen@t-online.de>
To: linux-btrfs@vger.kernel.org
Subject: Re: Btrfs balance
Date: 20 Jan 2011 14:40:00 +0100	[thread overview]
Message-ID: <BeD$lESD1uB@helmut.hullen.de> (raw)
In-Reply-To: <4D38338B.3090903@gmail.com>

Hallo, Andreas,

Du meintest am 20.01.11:

> Maybe it is a very stupid question but I want to ask it anyway. In
> general, 'btrfs filesystem balance' takes very long to finish and
> produces lots of IO. So what are the classical usage scenarios, when
> it is (really) worth doing a balance?

Here (Kernel 2.6.37, btrfs git Nov. 2010): balancing two disks/ 
partitions with 2 and 1.5 TByte needs about 24 hours (CPU 1.5 GHz).

What do you mean with "lots of IO"? the messages in "/var/log/messages"  
and "/var/log/warn"?

Viele Gruesse!
Helmut

  parent reply	other threads:[~2011-01-20 13:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-20 13:07 Btrfs balance Andreas Philipp
2011-01-20 13:39 ` Hugo Mills
     [not found]   ` <4D384C75.5090202@gmail.com>
2011-01-20 15:09     ` Hugo Mills
2011-01-20 13:40 ` Helmut Hullen [this message]
2011-01-20 17:46   ` Hubert Kario
2011-01-20 21:31 ` Chris Mason
  -- strict thread matches above, loose matches on Subject: below --
2011-01-20 14:58 Tomasz Chmielewski

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