TCP: Server unavailable

TCP: Server unavailable

[Chimento, Douglas]

[-- Attachment #1.1: Type: text/plain, Size: 184 bytes --]

Hello,
	I am trying to setup a Linux client (RH9) to use tcp with nfs.
However 
	there server (also RH9) replies with 
"nfs server reported service unavailable: Address already in use"

Re: TCP: Server unavailable

[Steve Dickson]

Chimento, Douglas wrote:

>Hello,
>	I am trying to setup a Linux client (RH9) to use tcp with nfs.
>However 
>	there server (also RH9) replies with 
>"nfs server reported service unavailable: Address already in use"
>  
>
TCP support on the server side is not configured in by default.

Note the lack of
    100003    2   tcp   2049  nfs
    100003    3   tcp   2049  nfs
entries in the rpcinfo output (assuming rpcinfo -p was done on the server)

SteveD.



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Re: TCP: Server unavailable

[Matthew Galgoci]

> 
> # rpcinfo -p
>    program vers proto   port
>     100000    2   tcp    111  portmapper
>     100000    2   udp    111  portmapper
>     100024    1   udp  32768  status
>     100024    1   tcp  32768  status
>     100007    2   udp    819  ypbind
>     100007    1   udp    819  ypbind
>     100007    2   tcp    822  ypbind
>     100007    1   tcp    822  ypbind
>     391002    2   tcp  32769  sgi_fam
>     390113    1   tcp   7937
>     100011    1   udp    931  rquotad
>     100011    2   udp    931  rquotad
>     100011    1   tcp    934  rquotad
>     100011    2   tcp    934  rquotad
>     100003    2   udp   2049  nfs
>     100003    3   udp   2049  nfs

The server is not advertising nfs v3 over tcp support. Perhaps the kernel the server
is running does not support nfsv3 over tcp? I don't think any of the Red Hat Linux 9
kernels include nfs v3 over tcp support.

-- 

Matthew Galgoci		"If you were a woman I'd kiss you right now."
System Administrator
Red Hat, Inc
919.754.3700 x44155



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RE: TCP: Server unavailable

[Chimento, Douglas]

Thank you,
In fact that was the issue, I recompiled the kernel with TCP support and the
client was able to mount via tcp.
I wish to add the performance over TCP appears to be better than udp

Thanks

-----Original Message-----
From: Matthew Galgoci [mailto:mgalgoci@redhat.com] 
Sent: Friday, October 24, 2003 5:00 PM
To: Chimento, Douglas
Cc: 'nfs@lists.sourceforge.net'
Subject: Re: [NFS] TCP: Server unavailable


> 
> # rpcinfo -p
>    program vers proto   port
>     100000    2   tcp    111  portmapper
>     100000    2   udp    111  portmapper
>     100024    1   udp  32768  status
>     100024    1   tcp  32768  status
>     100007    2   udp    819  ypbind
>     100007    1   udp    819  ypbind
>     100007    2   tcp    822  ypbind
>     100007    1   tcp    822  ypbind
>     391002    2   tcp  32769  sgi_fam
>     390113    1   tcp   7937
>     100011    1   udp    931  rquotad
>     100011    2   udp    931  rquotad
>     100011    1   tcp    934  rquotad
>     100011    2   tcp    934  rquotad
>     100003    2   udp   2049  nfs
>     100003    3   udp   2049  nfs

The server is not advertising nfs v3 over tcp support. Perhaps the kernel
the server
is running does not support nfsv3 over tcp? I don't think any of the Red Hat
Linux 9
kernels include nfs v3 over tcp support.

-- 

Matthew Galgoci		"If you were a woman I'd kiss you right now."
System Administrator
Red Hat, Inc
919.754.3700 x44155


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