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Hi, dear all,<BR>
<BR>
on drbd.conf, use protocol C.<BR>
<BR>
DRBD works well fistly. ( both primany node and seconday node works well.)<BR>
<BR>
But somehow, the seconday machine has disk problem and in the /var/log/messge of the primary node,<BR>
has below info:<BR>
<BR>
+++++++++++++++++++++++++++++++++<BR>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: pdsk( UpToDate -> Diskless )<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Creating new current UUID<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd1: pdsk( UpToDate -> Diskless )<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd0: Got NegAck packet. Peer is in troubles? <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Nov 13 00:12:30 cs-mdc-b kernel: drbd1: Creating new current UUID</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=1><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">+++++++++++++++++++++++++++++++++</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">then at this time, the write operation on primary node is blocked.</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">(the write operation is like this: call linux api "msync", using MS_SYNC mode.)</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Would you help to explain this ?</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Is this a bug of DRBD ? or I configured wrongly ?</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Your help is highly appreciated. :-)</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Thanks for your reading.</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">best wishes,</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial">Edward</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=3><SPAN lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P> <br /><hr />Keep your friends updated¡ª <a href='http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_5:092010' target='_new'>even when you¡¯re not signed in.</a></body>
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