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Date: Wed, 02 May 2007 11:21:32 -0700
From: John Clark <jclark@metricsystems.com>
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Cc: freebsd-current@freebsd.org
Subject: Re: NFS problem
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Eric Anderson schrieb:
> On 05/02/07 12:46, John Clark wrote:
>> Chuck Swiger schrieb:
>>> John Clark wrote:
>>>> I am copying a 'disk image' to an NFS mounted volume.
>>>>
>>>> I'm using:
>>>>
>>>> dd if=/dev/ad0 of=Disk.img
>>>>
>>>> After dd completes the number of blocks indicated is what the raw 
>>>> disk device should be. However, when I look at the NFS mounted 
>>>> image, the file size is anything but the 80 GB size it should be. 
>
> Do something like this instead:
>
> dd if=/dev/ad0 count=10 bs=1m| md5
> dd if=Disk.img count=10 bs=1m| md5
>
> Then you can do:
> dd if=/dev/ad0 count=10 bs=1m skip=10 | md5
> dd if=Disk.img count=10 bs=1m skip=10 | md5
> to move through the file..
>
> What are your NFS client mount options, and what OS is on the server? 

The NFS server is a Linux system. I'd have to check exactly, but the 
kernel is within the last couple
of months stable  version, and the NFS daemons are 'recent' vintage...

I have not used any 'options' in my mount command:

mount 192.168.0.253:/home/exports/CVSBUILD /mnt

Is the approximate command line.

John Clark.