Hi

  This is just a short memo.  What we did on SL.4* to use XFS file system 
is summarized as follows. 

 1) Reconfigure 2.6 original kernel (http://www.kernel.org/) with XFS
    option enabled. (We have successfully done it on kernel 2.6.11.7 on SL4.0
    and kernel 2.6.14 on SL4.2)
 2) Obtain XFS supporting binary from
    ftp://oss.sgi.com/projects/xfs/cmd_rpms/RPMS/i386/xfsprogs-2.7.3-1.i386.rpm
    and install. (They work both on i386 and x86_64 architecture.)
 3) Create an XFS file system by
    mkfs -t xfs /dev/<devnanme> or
    mkfs.xfs /dev/<devname> (to override, mkfs.xfs -f /dev/<devname>) 
 4) Then the XFS file system can be mounted.

   Home page of XFS is http://oss.sgi.com/projects/xfs/.

  Best Regards,
  Takashi Ichihara (RIKEN)

On Fri, 02 Dec 2005 13:50:59 +0900, Takashi Ichihara wrote:
> > On Thu, Dec 01, 2005 at 02:55:50PM -0600, Ken Teh wrote:
> > > SL4.1's stock kernel does not have built-in JFS nor XFS support.  But the
re
> > > is a contributed XFS rpm.  Is this the preferred filesystem for large
> > > partitions?  If so, why?
> 
>    Hi
> 
>    We are using XFS file systems on several nodes of Scientific 
> Linux 4.0 and scientific Linux 4.2 at RIKEN CCJ .  We obaseved 
> frequent file system problems of ext3 file system in transferring 
> large raw data from BNL to RIKEN by Gridftp. The problem is that 
> CPU utilization becomes large (100%) during the file operation and 
> the system almost hanged up in the GridFTP. After changing the
> file system from ext3 to XFS, the GridFTP becomes very  stable and we 
> have successfully transfered 270 TB date from BNL to RIKEN Japan
> over the pacific ocean. (Typical transfer rate was 700-750 Mbits/s)
> This is summarized in the recent CERN courier issue.
> http://www.cerncourier.com/main/article/45/7/15
> 
>   The current redhat ES 4 kernel uses 4 KB stack and this is 
> incompatible with XFS, and probably with JFS and ReiserFS . Some 
> information for 4KB kernel stack problem can be found at the URL below.
> http://oss.sgi.com/archives/linux-xfs/2005-07/msg00044.html
> https://www.redhat.com/archives/nahant-list/2005-June/msg00304.html
> 
>   To use XFS system on SL 4.0 and SL 4.2 , we are using original Linux 
> kernel source obtained from http://www.kernel.org/ and configured to 
> enable the XFS system.  In the original 2.6 kernel, the stack size 
> is 8 KB, which is compatible with XFS, JFS and ReiserFS.
> 
>    Best Regards,
> 
>    Takashi Ichihara  ([log in to unmask])
>    RI Physics lab/Radiation lab/Accelerator Facility
>      RIKEN (The Institute of Physical and Chemical Research)
>      2-1 Hirosawa, Wako, Saitama 351-0198, Japan
>