* Top shows brtfs-cache-1 and brtfs-endio-met while the hard drives seem busy
@ 2013-05-22 13:22 Laurent Humblet
2013-05-22 14:23 ` Josef Bacik
0 siblings, 1 reply; 2+ messages in thread
From: Laurent Humblet @ 2013-05-22 13:22 UTC (permalink / raw)
To: linux-btrfs
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?
Thank you for your help,
All the best,
Laurent
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Top shows brtfs-cache-1 and brtfs-endio-met while the hard drives seem busy
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
0 siblings, 0 replies; 2+ messages in thread
From: Josef Bacik @ 2013-05-22 14:23 UTC (permalink / raw)
To: Laurent Humblet; +Cc: linux-btrfs@vger.kernel.org
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
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2013-05-22 13:22 Top shows brtfs-cache-1 and brtfs-endio-met while the hard drives seem busy Laurent Humblet
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