<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">For the x4500, there is a marvell mv_sata driver that should be used. It should be downloadable from the x4500 downloads page, sorry I don't have the specific link handy:<div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" face="Casual" size="4"><span class="Apple-style-span" style="font-size: 14px;"><a href="http://www.sun.com/servers/x64/x4500/support.xml">http://www.sun.com/servers/x64/x4500/support.xml</a></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" face="Casual" size="4"><span class="Apple-style-span" style="font-size: 14px;"><br></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" face="Casual" size="4"><span class="Apple-style-span" style="font-size: 14px;">Regards,</span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" face="Casual" size="4"><span class="Apple-style-span" style="font-size: 14px;">Mike</span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><font class="Apple-style-span" face="Casual" size="4"><span class="Apple-style-span" style="font-size: 14px;"><br></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; "><br></div><div><div>On Apr 23, 2008, at 1:00 PM, Brian Behlendorf wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><br>Recently I have also been doing some linux work with the x4500 and I have been <br>using the sata_mv driver (v0.81). The driver will properly detect all the <br>drives and you may access them safely. However, from what I've seen the <br>driver needs some further development work to actually perform well. I see <br>only 30 MB/s write rates to a single disk using a simple streaming dd test. <br>Much of this bad performance may simply be due to the fact that the driver <br>can not enable the disk write-back cache forcing you to use write-thru mode.<br><br>So currently the bottom line is linux will work on the x4500. But to get it <br>working well someone is going to need to invest some development effort to <br>improve the linux driver.<br><br>Good luck,<br>Brian<br><br><br><blockquote type="cite">There was some discussion about the driver/module for the sata<br></blockquote><blockquote type="cite">controlers in the thumper (x4500) in the linux kernel.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">My question is if we bought one of these, would the CFS kernel have<br></blockquote><blockquote type="cite">everything needed to use the thumper in a safe way.<br></blockquote><blockquote type="cite">Thank You.<br></blockquote>_______________________________________________<br>Lustre-discuss mailing list<br><a href="mailto:Lustre-discuss@lists.lustre.org">Lustre-discuss@lists.lustre.org</a><br><a href="http://lists.lustre.org/mailman/listinfo/lustre-discuss">http://lists.lustre.org/mailman/listinfo/lustre-discuss</a><br></blockquote></div><br></div></body></html>