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<p class="MsoNormal"><span style="font-size:11.0pt">I have a file-system which keeps hanging over the past few weeks. Right now, its offline and taken a bunch of services out with it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">(I have a ticket with IBM open about this as well)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We see for example:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Waiting 305.0391 sec since 15:17:02, monitored, thread 24885 SharedHashTabFetchHandlerThread: on ThCond 0x7FE30000B408 (MsgRecordCondvar), re<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ason 'RPC wait' for tmMsgTellAcquire1 on node 10.10.12.42 <c1n9><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">and on that node:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Waiting 292.4581 sec since 15:17:22, monitored, thread 20368 SharedHashTabFetchHandlerThread: on ThCond 0x7F3C2929719<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">8 (TokenCondvar), reason 'wait for SubToken to become stable'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">On this node, if you dump tscomm, you see entries like:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Pending messages:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> msg_id 376617, service 13.1, msg_type 20 'tmMsgTellAcquire1', n_dest 1, n_pending 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> this 0x7F3CD800B930, n_xhold 1, cl 0, cbFn 0x0, age 303 sec<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> sent by 'SharedHashTabFetchHandlerThread' (0x7F3DD800A6C0)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> dest <c0n9> status pending , err 0, reply len 0 by TCP connection<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">c0n9 is itself.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">This morning when this happened, the only way to get the FS back online was to shutdown the entire cluster.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Any pointers for next place to look/how to fix?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Simon<o:p></o:p></span></p>
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