Re: nfs corrupts files

[Thomas Lenherr <thomas@lenherr.name>]

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sorry, for forgetting the kernel of the workstation, it's yet another 
gentoo-kernel: 2.6.7-gentoo-r6.
i looked up the difference between the vanilla kernel 2.6.7 and this 
patched gentoo-version
and it seems it's not really much, just stuff like bootsplash, console 
speakup and something
about making it ready for supermount...

anyway, as you said i installed the original 2.6.8.1 on the server and 
tried the whole
thing again, what means i copied the 9 files over nfs and let them check 
with md5sum.
same result :(

i did not yet update the kernel of the workstation, because i accessed 
the nfs server
with an windows-implementation of nfs and experienced the same troubles. 
so i think
the server is the faulty one...

cheers,
thomas



Trond Myklebust wrote:

>På to , 14/10/2004 klokka 18:14, skreiv Thomas Lenherr:
>
>  
>
>>ok, here is what i did:
>>i had some files on an nfs-server (v3) using kernel 2.6.8-gentoo-r8
>>(updated because of the trouble). the 9 files had an average size of
>>about 180mB and i built the md5sums of these files via ssh _on_ this
>>server.
>>
>>after that i transferred these files to my workstation, once via nfs and
>>once via smb and let them check with md5sum again. the files transferred
>>with smb were ok, but 6 of the 9 files tranferred via nfs were corrupt.
>>then i made cmp between the local files (transferred with nfs of course)
>>and the files on the nfs-server. the result:
>>1) multiple use of cmp on files which md5sum mentioned as corrupt
>>resulted in reporting differences at different positions
>>2) sometimes the usage of cmp on files which md5sum mentioned as correct
>>resulted in reporting differences...
>>    
>>
>
>You don't mention which kernel the client was running. Was it the same
>as the server?
>
>Have you tried just grabbing a kernel 2.6.8.1 from ftp.kernel.org, and
>compiling it up (using the same .config as the gentoo kernel if you
>like) and then doing the same thing? I ask 'cos I just don't know what
>is in the gentoo kernels.
>
>Cheers,
>  Trond
>
>
>
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