[Pacemaker] streamed writes fail with migration for NFS v3 over TCP

Florian Haas florian.haas at linbit.com
Wed May 20 16:48:49 UTC 2009


lmb, can you ring Volker and see how you can steal their tickle ACK
thingy? :)

Florian

On 2009-05-20 00:15, Bob Haxo wrote:
> Greetings,
> 
> I find that streamed writes fail with migration for NFS v3 over TCP. 
> Not every time, but almost every time.
> 
> Streamed writes continue nicely across many migrations for NFS v3 over UDP.
> 
> With TCP, writes continue with migration back to the initial server.
> 
> Does anyone have HA NFS migrations working for NFS over TCP?
> 
> Suggestions?
> 
> Cheers,
> Bob haxo
> SGI

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