in this Shard ,one Secondary Node can't be restart, check the exception log

I have Test it on the 2.2.0 and 2.0.6, both not workable.
[log]

Wed Sep 12 07:34:09 [initandlisten] MongoDB starting : pid=31578 port=27018 dbpath=/root/mongodata/db 64-bit host=wdsq1wco0010
Wed Sep 12 07:34:09 [initandlisten] db version v2.2.0, pdfile version 4.5
Wed Sep 12 07:34:09 [initandlisten] git version: f5e83eae9cfbec7fb7a071321928f00d1b0c5207
Wed Sep 12 07:34:09 [initandlisten] build info: Linux ip-10-2-29-40 2.6.21.7-2.ec2.v1.2.fc8xen #1 SMP Fri Nov 20 17:48:28 EST 2009 x86_64 BOOST_LIB_VERSION=1_49
Wed Sep 12 07:34:09 [initandlisten] options:

Wed Sep 12 07:34:09 [initandlisten] journal dir=/root/mongodata/db/journal
Wed Sep 12 07:34:09 [initandlisten] recover begin
Wed Sep 12 07:34:09 [initandlisten] recover lsn: 1127815404
Wed Sep 12 07:34:09 [initandlisten] recover /root/mongodata/db/journal/j._0
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:0 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:506986899 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:518847260 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:525615615 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:527173035 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:587074688 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:588212486 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:607192888 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section seq:607252714 < lsn:1127815404
Wed Sep 12 07:34:09 [initandlisten] recover skipping application of section more...
Wed Sep 12 07:34:09 [initandlisten] recover /root/mongodata/db/journal/j._1
Wed Sep 12 07:34:09 [initandlisten] dbexception during recovery: 15923 couldn't get file length when opening mapping /root/mongodata/db/performance.ns boost::filesystem::file_size: No such file or directory: "/root/mongodata/db/performance.ns"
Wed Sep 12 07:34:09 [initandlisten] exception in initAndListen: 15923 couldn't get file length when opening mapping /root/mongodata/db/performance.ns boost::filesystem::file_size: No such file or directory: "/root/mongodata/db/performance.ns", terminating
Wed Sep 12 07:34:09 dbexit:
Wed Sep 12 07:34:09 [initandlisten] shutdown: going to close listening sockets...
Wed Sep 12 07:34:09 [initandlisten] shutdown: going to flush diaglog...
Wed Sep 12 07:34:09 [initandlisten] shutdown: going to close sockets...
Wed Sep 12 07:34:09 [initandlisten] shutdown: waiting for fs preallocator...
Wed Sep 12 07:34:09 [initandlisten] shutdown: lock for final commit...
Wed Sep 12 07:34:09 [initandlisten] shutdown: final commit...
Wed Sep 12 07:34:09 [initandlisten] shutdown: closing all files...
Wed Sep 12 07:34:09 [initandlisten] closeAllFiles() finished
Wed Sep 12 07:34:09 [initandlisten] shutdown: removing fs lock...
Wed Sep 12 07:34:09 dbexit: really exiting now

[analysis] we find the secondary lost the performance.ns, but check the another PriNode it also no eixt collection,but it still can restart

Check attachment Pri_data
Check attachment Test on V2.0.6

Info about the set
PRIMARY> rs.status()
{
"set" : "webex11_shard1",
"date" : ISODate("2012-09-12T09:06:12Z"),
"myState" : 1,
"members" : [
{
"_id" : 0,
"name" : "10.224.88.109:27018",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"optime" :

,
"optimeDate" : ISODate("2012-09-12T02:40:01Z"),
"self" : true
},
{
"_id" : 1,
"name" : "10.224.88.110:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 23238,
"optime" :

,
"optimeDate" : ISODate("2012-09-12T02:40:01Z"),
"lastHeartbeat" : ISODate("2012-09-12T09:06:11Z"),
"pingMs" : 0
},
{
"_id" : 2,
"name" : "10.224.88.160:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 23228,
"optime" :

,
"optimeDate" : ISODate("2012-09-11T05:59:28Z"),
"lastHeartbeat" : ISODate("2012-09-12T09:06:11Z"),
"pingMs" : 0,
"errmsg" : "syncThread: 14031 Can't take a write lock while out of disk space"
},
{
"_id" : 3,
"name" : "10.224.88.161:27018",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 23218,
"optime" :

,
"optimeDate" : ISODate("2012-09-11T05:59:28Z"),
"lastHeartbeat" : ISODate("2012-09-12T09:06:11Z"),
"pingMs" : 0,
"errmsg" : "syncThread: 14031 Can't take a write lock while out of disk space"
},
{
"_id" : 4,
"name" : "10.224.88.163:27018",
"health" : 0,
"state" : 8,
"stateStr" : "(not reachable/healthy)",
"uptime" : 0,
"optime" :

,
"optimeDate" : ISODate("1970-01-01T00:00:00Z"),
"lastHeartbeat" : ISODate("1970-01-01T00:00:00Z"),
"pingMs" : 0,
"errmsg" : "socket exception"
}
],
"ok" : 1
}