Re: Copy file , file blocks is different

xfs

Re: Copy file , file blocks is different

To:	Homer Li <01jay.ly@xxxxxxxxx>
Subject:	Re: Copy file , file blocks is different
From:	Ben Myers <bpm@xxxxxxx>
Date:	Thu, 24 Jan 2013 12:03:21 -0600
Cc:	xfs@xxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>
Delivered-to:	xfs@xxxxxxxxxxx
In-reply-to:	<20130124104245.GC2667@dastard>
References:	<CAG1+85EwFH9mGkVqs=nkSVaX0J82iDMMbQ=____dRstUSsmJpw@xxxxxxxxxxxxxx> <20130124104245.GC2667@dastard>
User-agent:	Mutt/1.5.20 (2009-06-14)

Hi Homer,

On Thu, Jan 24, 2013 at 09:42:45PM +1100, Dave Chinner wrote:
> On Thu, Jan 24, 2013 at 05:48:25PM +0800, Homer Li wrote:
> > Hello,
> > 
> >      There are 2 file in the xfs device,  md5 is the same,  but the size is
> > different.
> >       I don't know why .......
> 
> Speculative preallocation. Google "XFS NFS speculative
> preallocation"

Here's another recent thread where this has been discussed.
http://oss.sgi.com/archives/xfs/2013-01/msg00044.html

It is a frequent question on the list, so I think we'll be adding it to the XFS
FAQ soon.  ;)

http://xfs.org/index.php/XFS_FAQ

Regards,
        Ben

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
Copy file , file blocks is different, Homer Li Re: Copy file , file blocks is different, Dave Chinner Re: Copy file , file blocks is different, Ben Myers <=

Previous by Date:	Re: Initial mount with inode32 option, Harry Edmon
Next by Date:	Re: [PATCH v3 01/13] xfs: add a helper to figure out the space log reservation per item, Mark Tinguely
Previous by Thread:	Re: Copy file , file blocks is different, Dave Chinner
Next by Thread:	[PATCH v3 00/13] xfs: kill hard-coded number 128 for transaction space log reservation, Jeff Liu
Indexes:	[Date] [Thread] [Top] [All Lists]