[Linux-cluster] EXT3 file system runs slow only right after itis mounted

[Brad Filipek]

Lon,
 
No I did not specify any mount options when creating the resource. Any ideas on what would help? 
 
 
Brad Filipek


________________________________

From: linux-cluster-bounces at redhat.com on behalf of Lon Hohberger
Sent: Tue 2/5/2008 1:20 PM
To: linux clustering
Subject: Re: [Linux-cluster] EXT3 file system runs slow only right after itis mounted



On Tue, 2008-02-05 at 08:26 -0600, Brad Filipek wrote:
> Hello,
> 
> I have a 2 node cluster connected via fibre to a SAN. This is an
> active/passive cluster and an EXT3 file system is mounted when the
> cluster services start on the active node. If we try to access data on
> this mount immediately after it is mounted, it takes an extremely long
> time. However, after about an hour, it runs extremely fast and is fine
> for good (until we un-mount and re-mount it, then it is slow again).
> So my question is, when you mount an ext3 partition (without any mount
> options), does it do something like scan the whole partition to see
> what is on the disk? This is the only thing I can think of that makes
> sense. The mount is 500GB in size.

Did you specify force_fsck or something?

-- Lon



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