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<div style="font-size: 14px; font-family: Helvetica, sans-serif;">Any idea what this hang condition is all about? I have several nodes all in a sort of deadlock, with the following long waiters. I know I’m probably looking at a PMR, but – any other clues on
what be at work? GPFS 4.1.0.7 on Linux, RH 6.6.</div>
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<div style="font-size: 14px; font-family: Helvetica, sans-serif;">They all seem to go back to nodes where 'waiting for the flush flag to commit metadata’ and 'waiting for WW lock’ are the RPCs in question.</div>
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<div><font face="Courier" style="font-size: 12px;">0x7F418C0C07D0 ( 18869) waiting 203445.829057195 seconds, InodePrefetchWorkerThread: on ThCond 0x7F41FC02A338 (0x7F41FC02A338) (MsgRecordCondvar), reason 'RPC wait' for tmMsgRevoke on node 10.30.105.68 <c1n178></font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F418C0C66D0 ( 18876) waiting 196174.410095017 seconds, InodePrefetchWorkerThread: on ThCond 0x7F40AC8AB798 (0x7F40AC8AB798) (MsgRecordCondvar), reason 'RPC wait' for tmMsgRevoke on node 10.30.86.102 <c1n373></font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F9C5C0041F0 ( 17394) waiting 218020.428801654 seconds, SyncHandlerThread: on ThCond 0x1801970D678 (0xFFFFC9001970D678) (InodeFlushCondVar), reason 'waiting for the flush flag to commit metadata'</font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7FEAC0037F10 ( 25547) waiting 158003.275282910 seconds, InodePrefetchWorkerThread: on ThCond 0x7FEBA400E398 (0x7FEBA400E398) (MsgRecordCondvar), reason 'RPC wait' for tmMsgRevoke on node 10.30.86.159 <c2n312></font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F04B0028E80 ( 11757) waiting 159426.694691653 seconds, InodePrefetchWorkerThread: on ThCond 0x7F0400002A28 (0x7F0400002A28) (MsgRecordCondvar), reason 'RPC wait' for tmMsgTellAcquire1 on node 10.30.43.226
<c1n5></font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F04D0013AA0 ( 21781) waiting 157723.199692503 seconds, InodePrefetchWorkerThread: on ThCond 0x7F0454010358 (0x7F0454010358) (MsgRecordCondvar), reason 'RPC wait' for tmMsgTellAcquire1 on node 10.30.43.227
<c1n7></font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F6F480041F0 ( 12964) waiting 209491.171775225 seconds, SyncHandlerThread: on ThCond 0x18022F3C490 (0xFFFFC90022F3C490) (InodeFlushCondVar), reason 'waiting for the flush flag to commit metadata'</font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F03180041F0 ( 12338) waiting 212486.480961641 seconds, SyncHandlerThread: on ThCond 0x18027186220 (0xFFFFC90027186220) (LkObjCondvar), reason 'waiting for WW lock'</font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F1EB00041F0 ( 12598) waiting 215765.483202551 seconds, SyncHandlerThread: on ThCond 0x18026FDFDD0 (0xFFFFC90026FDFDD0) (InodeFlushCondVar), reason 'waiting for the flush flag to commit metadata'</font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F83540041F0 ( 12605) waiting 75189.385741859 seconds, SyncHandlerThread: on ThCond 0x18021DAA7F8 (0xFFFFC90021DAA7F8) (InodeFlushCondVar), reason 'waiting for the flush flag to commit metadata'</font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7FF10C20DA10 ( 34836) waiting 202382.680544395 seconds, InodePrefetchWorkerThread: on ThCond 0x7FF1640026C8 (0x7FF1640026C8) (MsgRecordCondvar), reason 'RPC wait' for tmMsgRevoke on node 10.30.86.77 <c1n337></font></div>
<div><font face="Courier" style="font-size: 12px;"> 0x7F839806DBF0 ( 49131) waiting 158295.556723453 seconds, InodePrefetchWorkerThread: on ThCond 0x7F82B0000FF8 (0x7F82B0000FF8) (MsgRecordCondvar), reason 'RPC wait' for tmMsgTellAcquire1 on node 10.30.43.226
<c2n5></font></div>
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<div style="color: rgb(0, 0, 0); font-family: Helvetica, sans-serif; font-size: 14px;">
<font face="Helvetica">Bob Oesterlin<br>
Sr Storage Engineer, Nuance Communications<br>
507-269-0413</font></div>
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