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<DIV><FONT color=#0000ff size=2 face=Verdana><SPAN class=078370917-17022011>Hi
Bart,</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Verdana><SPAN
class=078370917-17022011></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff size=2 face=Verdana><SPAN
class=078370917-17022011>Checked all that already. Main process using IO is
kjournald. No sync running. No failed RAID. Repeated NIC speed tests with iperf
show almost 1Gb throughput.</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Verdana></FONT> </DIV>
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<FONT size=2 face=Tahoma><B>From:</B> bart.coninckx@telenet.be
[mailto:bart.coninckx@telenet.be] <BR><B>Sent:</B> Thursday, February 17, 2011
8:24 AM<BR><B>To:</B> Robinson, Eric<BR><B>Cc:</B>
drbd-user@lists.linbit.com<BR><B>Subject:</B> Re: [DRBD-user] Identifying High
iowait on DRBD Computers<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV
style="FONT-FAMILY: Arial; COLOR: #000000; FONT-SIZE: 10pt">Eric,<BR><BR>some
things that come to mind:<BR><BR>- have you verified with iotop what is using
the I/O? <BR>- or both nodes up to date? No sync running?<BR>- in case of
protocol C: issue with the network connection? Failed bonding cards? Drop of
NIC speed?<BR><BR>B.<BR><BR></DIV></BLOCKQUOTE><BR><BR><FONT color=silver><SPAN style="FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Verdana"><FONT size=1>Disclaimer - February 17, 2011</FONT></FONT></SPAN></FONT> <P></P><FONT size=1><FONT face=Verdana color=gray><SPAN style="FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Verdana">This email and any files <FONT size=1>transmitted</FONT> with it are confidential and intended solely for <STRONG>bart.coninckx@telenet.be,drbd-user@lists.linbit.com</STRONG></SPAN></FONT><FONT face=Verdana color=gray><SPAN style="FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Verdana">. If you are not the named addressee you should not disseminate, distribute, copy or alter this email. Any views or opinions presented in this email are solely those of the author and might not represent those of Physicians' Managed Care or Physician Select Management. Warning: Although Physicians' Managed Care or Physician Select Management has taken reasonable precautions to ensure no viruses are present in this email, the company cannot accept responsibility for any loss or damage arising from the use of this email or attachments.</SPAN></FONT></FONT></BODY></HTML>