From: Josef Bacik <jbacik@fusionio.com>
To: Laurent Humblet <laurent.humblet@gmail.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: Top shows brtfs-cache-1 and brtfs-endio-met while the hard drives seem busy
Date: Wed, 22 May 2013 10:23:32 -0400 [thread overview]
Message-ID: <20130522142332.GA10043@localhost.localdomain> (raw)
In-Reply-To: <CAFirYm_LZh74n=x7_Jp_M_t3FHsuPfvWsiNRNmJY1H5gvXg8hQ@mail.gmail.com>
On Wed, May 22, 2013 at 07:22:42AM -0600, Laurent Humblet wrote:
> Hi,
>
> I have setup about a year ago a BTRFS RAID 1 filesystem on two 2TB
> Western Digital WD20EARS hard drives and I have created subvolumes
> that I mount regularly as I need them. I put mostly music, videos and
> various files on them as well as some Git bare repositories for my
> work files but for the last couple of weeks, there seems to be some
> activity happening on the drives for a few minutes and the following
> processes are showing up while this happens: brtfs-cache-1 and
> brtfs-endio-met. It seems that brtfs-cache-1 is more 'busy' than
> brtfs-endio-met but after a while everything seems fine again.
>
> Is there anything I should worry about? I will soon do a full backup
> on ext4 just to make sure I don't loose anything but is there any
> checks I can run on the drives to make sure everything is fine both on
> a hardware standpoint and on a data integrity standoint?
>
Can you mount -o space_cache,inode_cache, that will get rid of the btrfs-cache-1
stuff (after the cache's have all been built up). Thanks,
Josef
prev parent reply other threads:[~2013-05-22 14:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-22 13:22 Top shows brtfs-cache-1 and brtfs-endio-met while the hard drives seem busy Laurent Humblet
2013-05-22 14:23 ` Josef Bacik [this message]
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