Thanks for the tip. I'll set it in the option file to 63.

Geert


> Check out the TSM performance and tuning guide.  It has specific
> recommendations for all of those types of values.  TCPWindowsize should
be
> set to 63 on Linux.
>
> http://publib.boulder.ibm.com/infocenter/tivihelp/v1r1/index.jsp?
> topic=/com.ibm.itsmm.doc/sc32-9101-03.htm
>
>
> Hi all,
>
> We were checking the throughput on our new tsm server (5.3 on suse
sles9)
> and
> I encountered the following in the serveroptions:
>
> TCPWindowsize 64512
>
> The manual states the maximum value is 2048 (which is 2mb).
>
> Should I set it to 2048 in my dsmserv.opt or leave it as is?
>
> Thanks,
>
> Geert
>
> PS: Basically, we were looking to find an answer to the intermittent
disk
> writes, I would
> expect a streaming write instead of intermittent writes to disk.