<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.2963" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2>Fab</FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial size=2>One of the people in
the list ask about tuning option to the SRP driver </FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial size=2>"...</FONT><FONT
face=Arial size=2>Now in regards to performance - In the linux environment, on
the<BR>host/initiator there were numerous parameters that could be toyed with
to<BR>boost performance. Specifically, there is a parameter
called<BR>max_xfer_sectors_per_io in a file called modprobe-openib.conf.
By changing<BR>the value of this parameter, performance via srp to srpt and
finally to<BR>disks could go up and down dramatically..."</FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial size=2>Do you have nay idea
of similar parameter in windows SRP driver ?</FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial size=2>I found
p_config->MaximumTransferLength =
SCSI_MAXIMUM_TRANSFER_SIZE; </FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial size=2>which is
1K*1K.</FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial size=2>Does this value can
be change ? Do you think it will affect the performance ?</FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2>Yossi</FONT></SPAN></DIV>
<DIV><SPAN class=156284309-01102006><FONT face=Arial
size=2></FONT></SPAN> </DIV></BODY></HTML>