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NFS v4 client blocks when using UDP protocol

DISCUSSION fanchaoting 2 participants 2 messages Nov 10, 2011

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hi,
1. When I use nfs i find "NFS v4 client blocks when using UDP protocol".
2. when i use RHEL6.1GA i didn't find this problem , but when i use RHEL6.2Beta i find this problem.
3. Can you tell me which patch causes this problem ?

thank you !!!

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Quoted 9 lines

-----Original Message-----
From: fanchaoting [mailto:[email protected]]
Sent: Thursday, November 10, 2011 3:11 AM
To: [email protected]; Myklebust, Trond
Subject: NFS v4 client blocks when using UDP protocol

hi,
1. When I use nfs i find "NFS v4 client blocks when using UDP
protocol".

UDP is not a supported protocol for NFSv4. It is explicitly banned in the NFS spec (RFC3530).

Quoted 1 line

2. when i use RHEL6.1GA i didn't find this problem , but when i

use

Quoted 2 lines

RHEL6.2Beta i find this problem.
3. Can you tell me which patch causes this problem ?

None of them. UDP is not a supported configuration.

Trond