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<div class=Section1><pre><font size=2 color=black face=Verdana><span
style='font-size:11.0pt;font-family:Verdana;color:black'>BZ 23243 at <a
href="http://bugzilla.lustre.org" target="_blank">bugzilla.lustre.org</a> is now tracking development for Lustre channel bonding/multi-rail support.</span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=black face=Verdana><span style='font-size:11.0pt;font-family:Verdana;
color:black'>The project is at its initial stage and we are calling for
detailed requirements, desirable features, design considerations, challenges, and
comments on the same. If possible please place all your
comments/suggestions/questions into the BZ 23243 to preserve the context although
all four Lustre mailing lists are being monitored as well.</span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></p>
<pre><span class=apple-style-span><font size=2 color=black face=Verdana><span
style='font-size:11.0pt;font-family:Verdana;color:black'>The overall objective of the project is in providing Lustre networking with a capacity to aggregate</span></font></span><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre><pre><font
size=2 color=black face=Verdana><span style='font-size:11.0pt;font-family:Verdana;
color:black'>node’s multiple network interfaces in the following configurations: </span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre><pre><font
size=2 color=black face=Verdana><span style='font-size:11.0pt;font-family:Verdana;
color:black'>(a) interfaces are on the same Lustre network</span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre><pre><font
size=2 color=black face=Verdana><span style='font-size:11.0pt;font-family:Verdana;
color:black'>(b) interfaces are on different Lustre networks but handled by the same type of LND</span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre><pre><font
size=2 color=black face=Verdana><span style='font-size:11.0pt;font-family:Verdana;
color:black'>(c) interfaces are on different Lustre networks and handled by different types of LND</span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre><pre><font
size=2 color=black face=Verdana><span style='font-size:11.0pt;font-family:Verdana;
color:black'>Dynamic load balancing and failover shall be available to interfaces comprising the aggregates. The functionality shall be available for both Lustre clients and servers (MDS/OSS).</span></font><font
size=2 color=black><span style='font-size:11.0pt;color:black'><o:p></o:p></span></font></pre>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
class=apple-style-span><font size=2 color=black face=Verdana><span
style='font-size:11.0pt;font-family:Verdana;color:black'>The following public
document released by Oracle can serve as a good starting point
for discussion: </span></font></span><a
href="http://wiki.lustre.org/images/e/ee/Channel_Bonding_06_15_09.pdf"
target="_blank"><font size=2 face=Verdana><span style='font-size:11.0pt;
font-family:Verdana'>http://wiki.lustre.org/images/<wbr>e/ee/Channel_Bonding_06_15_09.<wbr>pdf</span></font></a><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:11.0pt;font-family:Verdana;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:11.0pt;font-family:Verdana;color:black'>Vladimir Shvedoff<o:p></o:p></span></font></p>
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