Mongod failure
 
 Assertion failure p db\mongommf.cpp 198 
 MapViewOfFileEx failed F:/data/xq.2 errno:487 Attempt to access invalid address.

-----------------First log file with failure
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.4.99:58696 #4061; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.2.73:58574 #4062; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.2.73:58575 #4063; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [conn4026]   Assertion failure p db\mongommf.cpp 198; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [conn4026] MapViewOfFileEx failed F:/data/xq.2 errno:487 Attempt to access invalid address.; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.2.73:58576 #4064; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:33:56.4511519Z","MongoWorker",">>Mongo Output: Tue May 22 11:32:11 [conn4026] update xq.SessionModel  query: { _id: ""35mHLeeluXdVaGZ74PR5qMu_asCiJckxUQpBZId95aM"" } exception 0 assertion db\mongommf.cpp:198 0ms; TraceSource 'WaWorkerHost.exe' event"

-----------------First log file with recovery
"2012-05-22T11:34:21.6876081Z","MongoWorker","Initializing MongoDbCache C:\Resources\directory\0985594c2a8b42b7bf7fb4cd5ba6c547.MongoWorker.MongoDbCache\ 10240; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:34:21.6886080Z","MongoWorker","MongoDbCache Initialized; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:34:21.6886080Z","MongoWorker","Starting the cloud drive MongoDb.vhd Microsoft.WindowsAzure.StorageClient.CloudPageBlob; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:35:23.5157701Z","MongoWorker",">>Mongo Output: Tue May 22 11:34:04 [initandlisten] recover F:/data/journal/j._6; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:35:23.5167703Z","MongoWorker",">>Mongo Output: Tue May 22 11:34:04 [initandlisten] db version v1.8.1, pdfile version 4.5; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:35:23.5167703Z","MongoWorker",">>Mongo Output: Tue May 22 11:34:04 [initandlisten] git version: a429cd4f535b2499cc4130b06ff7c26f41c00f04; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:35:23.5167703Z","MongoWorker",">>Mongo Output: Tue May 22 11:34:04 [initandlisten] journal dir=F:/data/journal; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:35:23.5167703Z","MongoWorker",">>Mongo Output: Tue May 22 11:34:04 [initandlisten] recover lsn: 0; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:35:23.5167703Z","MongoWorker",">>Mongo Output: Tue May 22 11:34:04 [initandlisten] recover begin; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7678393Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:36 [initandlisten] recover cleaning up; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7688396Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:36 [initandlisten] removeJournalFiles; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7688396Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:37 [initandlisten] recover done; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7688396Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:42 [initandlisten] preallocateIsFaster=true 39.68; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7688396Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:49 [initandlisten] preallocateIsFaster=true 60.62; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7688396Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:54 [initandlisten] preallocateIsFaster=true 34.98; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:47:16.7688396Z","MongoWorker",">>Mongo Output: Tue May 22 11:45:54 [initandlisten] preallocating a journal file F:/data/journal/prealloc.0; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker",">>Mongo Output: Tue May 22 11:52:25 [initandlisten] waiting for connections on port 20001; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker",">>Mongo Output: Tue May 22 11:52:25 [websvr] web admin interface listening on port 21001; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker",>>Mongo Output: Tue May 22 11:52:26 [initandlisten] connection accepted from 10.26.4.99:58858 #1; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker",">>Mongo Output: Tue May 22 11:52:27 [conn1] end connection 10.26.4.99:58858; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker",">>Mongo Output: Tue May 22 11:52:28 [initandlisten] connection accepted from 10.26.4.99:58859 #2; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker","Mongo is now up.; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker","Version [1.6.1131.0]; TraceSource 'WaWorkerHost.exe' event"
"2012-05-22T11:54:14.1841652Z","MongoWorker",">>Mongo Output: Tue May 22 11:52:28 [initandlisten] connection accepted from 10.26.36.25:58736 #3; TraceSource 'WaWorkerHost.exe' event"


-----------------Second log file with failure
"2012-05-22T11:32:14.0216241Z",">>Mongo Output Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.4.99:58696 #4061","2012-05-22T11:32:11.906267Z"
"2012-05-22T11:32:14.2466466Z",">>Mongo Output Tue May 22 11:32:11 [conn4026] MapViewOfFileEx failed F:/data/xq.2 errno:487 Attempt to access invalid address.","2012-05-22T11:32:12.1249554Z"
"2012-05-22T11:32:14.2597812Z",">>Mongo Output Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.2.73:58574 #4062","2012-05-22T11:32:12.1718172Z"
"2012-05-22T11:32:13.9168279Z",">>Mongo Output Tue May 22 11:32:11 [conn4026]   Assertion failure p db\mongommf.cpp 198","2012-05-22T11:32:12.1718172Z"
"2012-05-22T11:32:14.0152875Z",">>Mongo Output Tue May 22 11:32:11 [conn4026] update xq.SessionModel  query: { _id: ""35mHLeeluXdVaGZ74PR5qMu_asCiJckxUQpBZId95aM"" } exception 0 assertion db\mongommf.cpp:198 0ms","2012-05-22T11:32:12.1874378Z"
"2012-05-22T11:32:13.8139279Z",">>Mongo Output Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.2.73:58575 #4063","2012-05-22T11:32:12.2030584Z"
"2012-05-22T11:32:12.9940760Z",">>Mongo Output Tue May 22 11:32:11 [initandlisten] connection accepted from 10.26.2.73:58576 #4064","2012-05-22T11:32:12.2811614Z"
"2012-05-22T11:32:14.9578510Z","Exited - System.EventArgs","2012-05-22T11:32:12.8591236Z"
"2012-05-22T11:32:35.3598910Z","Mongo is down so restarting","2012-05-22T11:32:33.3377302Z"
"2012-05-22T11:32:49.8623411Z","OnStop starting mongo shutdown on thread","2012-05-22T11:32:47.7399234Z"
"2012-05-22T11:33:06.2629810Z","Start process shutdown","2012-05-22T11:33:04.2196564Z"
"2012-05-22T11:33:06.6710218Z","Start drive unmount","2012-05-22T11:33:04.625792Z"

-----------------Second log file with recovery
"2012-05-22T11:33:50.8323317Z","Mounting cloud drive","2012-05-22T11:33:48.3790926Z"
"2012-05-22T11:34:02.8347317Z","Cloud drive mounted at F:\","2012-05-22T11:34:00.4538164Z"
"2012-05-22T11:34:06.5364719Z","Starting Mongo with arguments: --bind_ip 127.0.0.1,10.26.34.123 --port 20001 --dbpath F:\data --journal ","2012-05-22T11:34:04.1715192Z"
"2012-05-22T11:34:09.2632804Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] MongoDB starting : pid=1252 port=20001 dbpath=F:\data 64-bit ","2012-05-22T11:34:07.2800186Z"
"2012-05-22T11:34:09.4361644Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] build sys info: windows (6, 1, 7600, 2, '') BOOST_LIB_VERSION=1_42","2012-05-22T11:34:07.2800186Z"
"2012-05-22T11:34:07.6732764Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] recover F:/data/journal/j._6","2012-05-22T11:34:07.2956392Z"
"2012-05-22T11:34:10.4442652Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] git version: a429cd4f535b2499cc4130b06ff7c26f41c00f04","2012-05-22T11:34:08.279737Z"
"2012-05-22T11:34:10.2643805Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] journal dir=F:/data/journal","2012-05-22T11:34:08.279737Z"
"2012-05-22T11:34:10.6372919Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] db version v1.8.1, pdfile version 4.5","2012-05-22T11:34:08.279737Z"
"2012-05-22T11:34:08.6804778Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] recover lsn: 0","2012-05-22T11:34:08.3265988Z"
"2012-05-22T11:34:10.8733391Z",">>Mongo Output Tue May 22 11:34:04 [initandlisten] recover begin","2012-05-22T11:34:08.4984254Z"
"2012-05-22T11:45:41.2120347Z",">>Mongo Output Tue May 22 11:45:36 [initandlisten] recover cleaning up","2012-05-22T11:45:39.5951388Z"
"2012-05-22T11:45:41.0531327Z",">>Mongo Output Tue May 22 11:45:36 [initandlisten] removeJournalFiles","2012-05-22T11:45:39.5951388Z"
"2012-05-22T11:45:38.1798577Z",">>Mongo Output Tue May 22 11:45:37 [initandlisten] recover done","2012-05-22T11:45:39.5951388Z"
"2012-05-22T11:45:44.5123647Z",">>Mongo Output Tue May 22 11:45:42 [initandlisten] preallocateIsFaster=true 39.68","2012-05-22T11:45:42.8755488Z"
"2012-05-22T11:45:51.0110145Z",">>Mongo Output Tue May 22 11:45:49 [initandlisten] preallocateIsFaster=true 60.62","2012-05-22T11:45:49.2801588Z"
"2012-05-22T11:45:55.9601135Z",">>Mongo Output Tue May 22 11:45:54 [initandlisten] preallocating a journal file F:/data/journal/prealloc.0","2012-05-22T11:45:54.4663308Z"
"2012-05-22T11:45:56.1245258Z",">>Mongo Output Tue May 22 11:45:54 [initandlisten] preallocateIsFaster=true 34.98","2012-05-22T11:45:54.4819518Z"
"2012-05-22T11:52:30.0850345Z",">>Mongo Output Tue May 22 11:52:25 [websvr] web admin interface listening on port 21001","2012-05-22T11:52:28.4862078Z"
"2012-05-22T11:52:29.2866880Z",">>Mongo Output Tue May 22 11:52:25 [initandlisten] waiting for connections on port 20001","2012-05-22T11:52:28.4862078Z"
"2012-05-22T11:52:30.0965440Z","Mongo is now up.","2012-05-22T11:52:28.4862078Z"
"2012-05-22T11:52:30.2850145Z",">>Mongo Output Tue May 22 11:52:26 [initandlisten] connection accepted from 10.26.4.99:58858 #1","2012-05-22T11:52:28.6267968Z"
"2012-05-22T11:52:30.2985642Z",">>Mongo Output Tue May 22 11:52:27 [conn1] end connection 10.26.4.99:58858","2012-05-22T11:52:28.6424178Z"
"2012-05-22T11:52:30.3965740Z",">>Mongo Output Tue May 22 11:52:28 [initandlisten] connection accepted from 10.26.4.99:58859 #2","2012-05-22T11:52:28.7986278Z"
"2012-05-22T11:52:29.6886880Z","Version [1.6.1131.0]","2012-05-22T11:52:28.8142488Z"
"2012-05-22T11:52:30.5975941Z",">>Mongo Output Tue May 22 11:52:28 [initandlisten] connection accepted from 10.26.36.25:58736 #3","2012-05-22T11:52:28.9235958Z"
"2012-05-22T11:52:30.6829747Z",">>Mongo Output Tue May 22 11:52:28 [conn3] end connection 10.26.36.25:58736","2012-05-22T11:52:29.0173218Z"
"2012-05-22T11:52:30.8879542Z","Starting Run","2012-05-22T11:52:29.2203948Z"
"2012-05-22T11:52:32.2818148Z",">>Mongo Output Tue May 22 11:52:30 [initandlisten] connection accepted from 127.0.0.1:56874 #4","2012-05-22T11:52:30.6106638Z"
"2012-05-22T11:52:32.6817748Z",">>Mongo Output Tue May 22 11:52:30 [initandlisten] connection accepted from 10.26.36.25:58737 #5","2012-05-22T11:52:31.0011888Z"
"2012-05-22T11:52:33.5846845Z",">>Mongo Output Tue May 22 11:52:31 [initandlisten] connection accepted from 10.26.36.25:58738 #6","2012-05-22T11:52:31.9072068Z"
"2012-05-22T11:52:38.4043747Z",">>Mongo Output Tue May 22 11:52:36 [conn4] query xq.$cmd ntoreturn:1 command: { count: ""MaintenanceModel"", query: { _id: 1, Upgrading: true } } reslen:64 5982ms","2012-05-22T11:52:36.7340958Z"
"2012-05-22T11:52:38.3812048Z",">>Mongo Output Tue May 22 11:52:36 [initandlisten] connection accepted from 10.26.2.73:58739 #7","2012-05-22T11:52:36.7340958Z"