disabling generic-receive-offload (gro) and large-receive-offload ?
This is a multi-part message in MIME format. --------------000807010908080602070902 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi, is there a way of setting eth parameters for hypervisors? My freebsd instance has terrible performance when these are enabled. Currently I run these on all hypervisors manually. ethtool –K vnet0 gro off ethtool –K vnet2 gro off ethtool –K vnet0 lro off ethtool –K vnet2 lro off as per: http://support.citrix.com/proddocs/topic/netscaler-vpx-10-5/ns-vpx-install-p... -- Ernest Beinrohr, AXON PRO Ing <http://www.beinrohr.sk/ing.php>, RHCE <http://www.beinrohr.sk/rhce.php>, RHCVA <http://www.beinrohr.sk/rhce.php>, LPIC <http://www.beinrohr.sk/lpic.php>, VCA <http://www.beinrohr.sk/vca.php>, +421-2-62410360 +421-903-482603 --------------000807010908080602070902 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body bgcolor="#FFFFFF" text="#000000"> Hi, is there a way of setting eth parameters for hypervisors? My freebsd instance has terrible performance when these are enabled. Currently I run these on all hypervisors manually.<br> <br> <pre class="pre codeblock">ethtool –K vnet0 gro off ethtool –K vnet2 gro off ethtool –K vnet0 lro off ethtool –K vnet2 lro off</pre> <br> as per: <a class="moz-txt-link-freetext" href="http://support.citrix.com/proddocs/topic/netscaler-vpx-10-5/ns-vpx-install-prereqkvm-ref.html">http://support.citrix.com/proddocs/topic/netscaler-vpx-10-5/ns-vpx-install-prereqkvm-ref.html</a><br> <br> <div class="moz-signature">-- <br> <div id="oernii_footer" style="color: gray;"> <span style="font-family: Lucida Console, Luxi Mono, Courier, monospace; font-size: 90%;"> Ernest Beinrohr, AXON PRO<br> <a style="text-decoration: none; color: gray;" href="http://www.beinrohr.sk/ing.php">Ing</a>, <a style="text-decoration: none; color: gray;" href="http://www.beinrohr.sk/rhce.php">RHCE</a>, <a style="text-decoration: none; color: gray;" href="http://www.beinrohr.sk/rhce.php">RHCVA</a>, <a style="text-decoration: none; color: gray;" href="http://www.beinrohr.sk/lpic.php">LPIC</a>, <a style="text-decoration: none; color: gray;" href="http://www.beinrohr.sk/vca.php">VCA</a>, <br> +421-2-62410360 +421-903-482603 <br> </span> </div> <img src="http://nojsstats.appspot.com/UA-44497096-1/email.beinrohr.sk" moz-do-not-send="true" border="0" height="1" width="1"> </div> </body> </html> --------------000807010908080602070902--
------=_NextPartTM-000-d57b02c6-db8f-4c83-b58d-7be3fea3550f Content-Type: multipart/alternative; boundary="_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C04FAEXCHANGEcollogi_" --_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C04FAEXCHANGEcollogi_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Ernest, we have similar issues with IPoIB. To fix it we use VDSM hooks: # cat /usr/libexec/vdsm/hooks/before_vdsm_start/network.sh ... ethtool -K ib0 tso off 2>/dev/null ethtool -K ib1 tso off 2>/dev/null ... Nevertheless this is similar to running self defined init scripts. But at least I have a well defined location to put those fixes into. Best regards. Markus ________________________________ Von: users-bounces@ovirt.org [users-bounces@ovirt.org]" im Auftrag von "Ern= est Beinrohr [Ernest.Beinrohr@axonpro.sk] Gesendet: Mittwoch, 19. November 2014 13:27 An: users Betreff: [ovirt-users] disabling generic-receive-offload (gro) and large-re= ceive-offload ? Hi, is there a way of setting eth parameters for hypervisors? My freebsd in= stance has terrible performance when these are enabled. Currently I run the= se on all hypervisors manually. ethtool =96K vnet0 gro off ethtool =96K vnet2 gro off ethtool =96K vnet0 lro off ethtool =96K vnet2 lro off as per: http://support.citrix.com/proddocs/topic/netscaler-vpx-10-5/ns-vpx-= install-prereqkvm-ref.html -- Ernest Beinrohr, AXON PRO Ing<http://www.beinrohr.sk/ing.php>, RHCE<http://www.beinrohr.sk/rhce.php>,= RHCVA<http://www.beinrohr.sk/rhce.php>, LPIC<http://www.beinrohr.sk/lpic.p= hp>, VCA<http://www.beinrohr.sk/vca.php>, +421-2-62410360 +421-903-482603 --_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C04FAEXCHANGEcollogi_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <html dir=3D"ltr"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1= 252"> <style type=3D"text/css" id=3D"owaParaStyle"></style> </head> <body bgcolor=3D"#FFFFFF" fpstyle=3D"1" ocsi=3D"0"> <div style=3D"direction: ltr;font-family: Tahoma;color: #000000;font-size: = 10pt;">Hi Ernest, <div><br> </div> <div>we have similar issues with IPoIB. To fix it we use VDSM hooks:</div> <div><br> </div> <div># cat /usr/libexec/vdsm/hooks/before_vdsm_start/network.sh</div> <div>...</div> <div> <div>ethtool -K ib0 tso off 2>/dev/null</div> <div>ethtool -K ib1 tso off 2>/dev/null</div> </div> <div>...</div> <div><br> </div> <div>Nevertheless this is similar to running self defined init scripts.</di= v> <div>But at least I have a well defined location to put those fixes into.</= div> <div><br> </div> <div>Best regards.</div> <div><br> </div> <div>Markus</div> <div><br> <div style=3D"font-family: Times New Roman; color: #000000; font-size: 16px= "> <hr tabindex=3D"-1"> <div id=3D"divRpF475168" style=3D"direction: ltr;"><font face=3D"Tahoma" si= ze=3D"2" color=3D"#000000"><b>Von:</b> users-bounces@ovirt.org [users-bounc= es@ovirt.org]" im Auftrag von "Ernest Beinrohr [Ernest.Beinrohr@a= xonpro.sk]<br> <b>Gesendet:</b> Mittwoch, 19. November 2014 13:27<br> <b>An:</b> users<br> <b>Betreff:</b> [ovirt-users] disabling generic-receive-offload (gro) and l= arge-receive-offload ?<br> </font><br> </div> <div></div> <div>Hi, is there a way of setting eth parameters for hypervisors? My freeb= sd instance has terrible performance when these are enabled. Currently I ru= n these on all hypervisors manually.<br> <br> <pre class=3D"pre codeblock">ethtool =96K vnet0 gro off=0A= ethtool =96K vnet2 gro off=0A= ethtool =96K vnet0 lro off=0A= ethtool =96K vnet2 lro off</pre> <br> as per: <a class=3D"moz-txt-link-freetext" href=3D"http://support.citrix.co= m/proddocs/topic/netscaler-vpx-10-5/ns-vpx-install-prereqkvm-ref.html" targ= et=3D"_blank"> http://support.citrix.com/proddocs/topic/netscaler-vpx-10-5/ns-vpx-install-= prereqkvm-ref.html</a><br> <br> <div class=3D"moz-signature">-- <br> <div id=3D"oernii_footer" style=3D"color:gray"><span style=3D"font-family:L= ucida Console,Luxi Mono,Courier,monospace; font-size:90%">Ernest Beinrohr, = AXON PRO<br> <a href=3D"http://www.beinrohr.sk/ing.php" style=3D"text-decoration:none; c= olor:gray" target=3D"_blank">Ing</a>, <a href=3D"http://www.beinrohr.sk/rhce.php" style=3D"text-decoration:none; = color:gray" target=3D"_blank"> RHCE</a>, <a href=3D"http://www.beinrohr.sk/rhce.php" style=3D"text-decorat= ion:none; color:gray" target=3D"_blank"> RHCVA</a>, <a href=3D"http://www.beinrohr.sk/lpic.php" style=3D"text-decora= tion:none; color:gray" target=3D"_blank"> LPIC</a>, <a href=3D"http://www.beinrohr.sk/vca.php" style=3D"text-decorati= on:none; color:gray" target=3D"_blank"> VCA</a>, <br> +421-2-62410360 +421-903-482603 <br> </span></div> <img src=3D"http://nojsstats.appspot.com/UA-44497096-1/email.beinrohr.sk" h= eight=3D"1" width=3D"1" border=3D"0"> </div> </div> </div> </div> </div> </body> </html> --_000_12EF8D94C6F8734FB2FF37B9FBEDD1735F8C04FAEXCHANGEcollogi_-- ------=_NextPartTM-000-d57b02c6-db8f-4c83-b58d-7be3fea3550f Content-Type: text/plain; name="InterScan_Disclaimer.txt" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="InterScan_Disclaimer.txt" **************************************************************************** Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. 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participants (2)
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Ernest Beinrohr -
Markus Stockhausen