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Re: Stale XFS mount for Kernel 2.6.25.14

To: "Ngo, Andrew" <andrew.ngo@xxxxxxxx>
Subject: Re: Stale XFS mount for Kernel 2.6.25.14
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Tue, 14 Oct 2008 13:15:34 +1100
Cc: v9fs-developer@xxxxxxxxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, "Johnson, Je" <je.johnson@xxxxxxxx>
In-reply-to: <8604545CB7815D419F5FF108D3E434BA3BD62F@xxxxxxxxxxxxxxxxxxxxx>
Mail-followup-to: "Ngo, Andrew" <andrew.ngo@xxxxxxxx>, v9fs-developer@xxxxxxxxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, "Johnson, Je" <je.johnson@xxxxxxxx>
References: <8604545CB7815D419F5FF108D3E434BA3BD626@xxxxxxxxxxxxxxxxxxxxx> <20081013035939.GB10716@disturbed> <8604545CB7815D419F5FF108D3E434BA3BD628@xxxxxxxxxxxxxxxxxxxxx> <8604545CB7815D419F5FF108D3E434BA3BD62F@xxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
[Andrew, Please don't top post replies - it makes it
completely impossible to folow the thread. ]

> -----Original Message-----
On Mon, Oct 13, 2008 at 10:04:27PM -0400, Ngo, Andrew wrote:
On Mon, Oct 13, 2008 at 10:04:27PM -0400, Ngo, Andrew wrote:
> 
> Dave,
> 
> Do you know of a solution to this problem?  Currently this is a major
> impact for my system.  Thanks in advance.

I don't know what the problem is, so I certainly don't have
a solution for you. You'll need to provide a whole lot more detail
about your system and problem for us to make any sense of it.
Such as:

What hardware do you have (including storage)?

What's the storage structure (DM, MD, iSCSI, etc)?

Output of 'xfs_info <mtpt>'?

What are you really trying to acheive with the remount command?

Is the filesystem busy at the time the ro,remount is run?
(e.g. any large background writes occurring?)

Does the problem go away if you do:

# xfs_freeze -f <mtpt>
# xfs_freeze -u <mtpt>
# mount -o ro,remount <mtpt>

Or does the first freeze command trigger the same problem?

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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