 | | | SOLVED [rhn-users] file size problems | SOLVED [rhn-users] file size problems 2005-03-07 - By Chuck Campbell
Back
The solution is to force nfs version 3, which has large file support, and
all is well.
-chuck
On Mon, Mar 07, 2005 at 06:29:26AM -0600, Chuck Campbell wrote:
> On Sun, Mar 06, 2005 at 04:57:30PM -0800, Geoff Sweet wrote:
> > Well ext3 certainly has large file support. I am trying to rack my
> > brain if there is a max filesize limitation that can be set either from
> > a user standpoint, or from an NFS standpoint. Can you try creating a
> > large file with something like
> >
> > dd if=/dev/zero of=/NFS_MOUNT/bob.huge bs=1024k count=3000
> >
> > on the NFS share, and then again on the local machine? That might help
> > determine if maybe NFS is limiting the file-size. Just a thought for
> > trouble shooting
>
> This also fails at two GB (2147483647 bytes actually).
>
> coreutils is at version 4.5.3. Is there something newer? Do I need to turn
> on large file support explicitly? If so, how?
>
> I tried:
> dd if=/dev/zero of=/local_disk/big_file.tst bs=1024k count=3000
> and it ran without error.
>
> I also ran this:
> dd if=/dev/zero of=/local_disk/big_file.tst bs=1024k count=3000
> without failure as well.
>
> I'm at a loss, because the ftp of 33GB succeeded, this must be an
> NFS limitation? How do I fix this?
>
> -chuck
>
> >
> > -Geoff
> >
> > -- --Original Message-- --
> > From: rhn-users-bounces@(protected) [mailto:rhn-users-bounces@(protected)]
> > On Behalf Of Chuck Campbell
> > Sent: Sunday, March 06, 2005 9:57 AM
> > To: rhn-users@(protected); taroon-list@(protected)
> > Subject: [rhn-users] file size problems
> >
> > I just built two dual Opteron machines for a small cluster, with 4 GB of
> > ram
> > each, a dedicated GB network layer 3 switch and about a TB of disk.
> >
> > I put RHEL3 update 2, WS on the compute node and ES on the master. All
> > filesystems are ext3.
> >
> > I loaded a 33GB file vi a ftp from another machine onto the cluster, and
> >
> > had no issues, but when I did a cp from the master node local disk to
> > the
> > slave node local disk (mounted via NFS), I only got 2 GB of data moved,
> > and
> > an error message saying "File size exceeded".
> >
> > What am I doing wrong? This is a 64 bit OS on 64 bit processors. Where
> > did
> > this 3 GB file limit come from? Is it in cp, NFS, ????
> >
> > any help is appreciated.
> >
> > thanks,
> > -chuck
--
Taroon-list mailing list
Taroon-list@(protected)
http://www.redhat.com/mailman/listinfo/taroon-list
Earn $52 per hosting referral at Lunarpages.
|
|
|