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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you guys for your inputs. They are really helpful to me.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Tika<o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Maarten Ballintijn [mailto:maartenb@xs4all.nl] <br><b>Sent:</b> Thursday, April 04, 2013 7:00 PM<br><b>To:</b> stephen wadlow; Tika Mahata<br><b>Cc:</b> bblisa@bblisa.org<br><b>Subject:</b> Re: [BBLISA] Large file transfer in 65ms latency<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><br>On Apr 4, 2013, at 17:50, stephen wadlow <<a href="mailto:sgw@wadlow.net">sgw@wadlow.net</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On Apr 4, 2013, at 4:59 PM, Tika Mahata wrote:<br><br><o:p></o:p></p><p class=MsoNormal>Hello,<o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><o:p> </o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>I am looking for the solution to transfer large oracle database files about 2TB between two datacenters which have latency of 65ms with 1gpbs p2p link. What are the options to reduce the transfer time? I have Linux at both ends. Any software or protocol or tuning the OS parameters?<o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><o:p> </o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Thanks,<o:p></o:p></p></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>Tika<o:p></o:p></p></blockquote><p class=MsoNormal><span style='color:#005001'>...</span><o:p></o:p></p></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>See if you have any hpn-ssh binaries available for your distro:<br><a href="http://www.psc.edu/index.php/hpn-ssh">http://www.psc.edu/index.php/hpn-ssh</a><br><br> -Steve<o:p></o:p></p></div></blockquote><p class=MsoNormal>...<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>They also have good information on basic tuning of the network stack, see:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span class=apple-tab-span><span style='font-size:11.5pt'> </span></span><span style='font-size:11.5pt'><a href="http://www.psc.edu/index.php/networking/641-tcp-tune">http://www.psc.edu/index.php/networking/641-tcp-tune</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.5pt'><br><br></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.5pt'>- Maarten</span><o:p></o:p></p></div></div></body></html>