Date: Thu, 2 Nov 2006 12:02:27 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: jhs@berlix.com, Julian Stacey <jhs@berklix.org> Subject: Re: NFS on 6.1 limits at 4 Gig Message-ID: <200611021202.28351.jhb@freebsd.org> In-Reply-To: <200611021050.kA2AoH5S028916@fire.jhs.private> References: <200611021050.kA2AoH5S028916@fire.jhs.private>
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On Thursday 02 November 2006 05:50, Julian Stacey wrote:
> NFS fails on files >= 4 Gig Can someone confirm please.
>
> uname -r # 6.1-RELEASE (both hosts)
> # echo "1024 1024 * 4 * 1 + p" | dc # 4194305
> dd if=/dev/zero of=junk bs=1k count=4194305
> ls -l junk # 4294968320 bytes
> rsh an_nfs_host ls -l /host/`hostname -s`/usr/tmp/junk # 1024 byte size!
> # with count=4194304, ls shows 0 bytes.
>
> It's not AMD failing, but NFS, as with an /etc/amd.map with a
> non NFS entry for my host "laps" for efficiency (in case some
> shell on host laps mounts itself), the full size 4294968320 is seen.
> /etc/amd.map
> /defaults type:=host;fs:=${autodir}/${rhost};rhost:=${key}
> laps type:=link;fs:=..
>
> It's not just ls, cmp fails too, ( as also does my
> http://berklix.com/~jhs/src/bsd/jhs/bin/public/cmpd/cmpd.c )
> cmp -z junk /host/laps/usr/tmp/junk # junk /host/laps/usr/tmp/junk differ: size
>
> Is send-pr appropriate ?
Are you using NFS v2 or v3? v2 doesn't support large files.
--
John Baldwin
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