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<TITLE>Problem with network failure?</TITLE>
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<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Hello all,</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">It seems</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">tha</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">t my network connection is very</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT SIZE=2 FACE="Arial">stable based on a Gigabit 3COM switch;</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial"> however anyone knows possible causes for the following?</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: meta connection shut down by peer.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: peer( Primary -> Unknown ) conn( Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown )</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: asender terminated</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Terminating asender thread</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: short read expecting header on sock: r=-512</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Creating new current UUID</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Writing meta data super block now.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: tl_clear()</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Connection closed</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: conn( NetworkFailure -> Unconnected )</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: receiver terminated</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: receiver (re)started</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: conn( Unconnected -> WFConnection )</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Handshake successful: Agreed network protocol version 88</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Peer authenticated using 20 bytes of 'sha1' HMAC</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: conn( WFConnection -> WFReportParams )</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Starting asender thread (from drbd1_receiver [2679])</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: data-integrity-alg: <not-used></FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Split-Brain detected, 2 primaries, automatically solved. Sync from peer node</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: helper command: /sbin/drbdadm pri-lost</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: I shall become SyncTarget, but I am primary!</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: conn( WFReportParams -> Disconnecting )</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: error receiving ReportState, l: 4!</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: asender terminated</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Terminating asender thread</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: tl_clear()</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Connection closed</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: conn( Disconnecting -> StandAlone )</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: receiver terminated</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Apr 9 16:44:24 localhost kernel: drbd1: Terminating receiver thread</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><BR>
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<FONT SIZE=2 FACE="Arial">This happens out of the blue, after 3-4 days of operation.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Any idea would help.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Thank you all for your time.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT SIZE=2 FACE="Arial">Theophanis Kontogiannis</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
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