[Samba] 1 byte writes

Thomas Limoncelli limoncelli at web.de
Wed Mar 8 19:17:14 GMT 2006


Thanks for your continued support.

> Hmmm. Not sure. What application is doing this ?

As it's hard to get structured valid information from [our] users, I can 
only guess it's a particular CAD application. (They're claiming that 
"everything" runs slowly, but that's yet to be seen once this particular 
issue is solved.)

> Your settings seem
> fine - the client should be using the allocation roundup size to
> extend, so should only by writing one byte per 1 meg, but it seems
> to be doing much smaller offsets than that. Try playing with the
> allocation roundup size parameter - make it larger and see what
> effect it has on the app. 

How/when exactly is the allocation roundup size passed to the client 
over the wire? I'd like to double-check with Ethereal that clients 
receive the desired value.

> What filesystem are you using underneath Samba ?

XFS, kernel from the latest SuSE 9.3 updates.


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