Attempting to reconfigure a replica set with the initialSync config options doesn't work.

david@rs1a ~: ./console
MongoDB shell version: 1.7.5
connecting to: localhost:27018/test
set1:PRIMARY> cfg = rs.conf()
{
"_id" : "set1",
"version" : 8,
"members" : [

{ "_id" : 0, "host" : "rs1a:27018" }

,

{ "_id" : 1, "host" : "rs1b:27018" }

,

{ "_id" : 3, "host" : "rs1arbiter:27018", "arbiterOnly" : true }

,

{ "_id" : 4, "host" : "rs1c:27018", "priority" : 0, "hidden" : true }

,

{ "_id" : 5, "host" : "rs1d:27018", "priority" : 0, "slaveDelay" : 7200, "hidden" : true }

]
}
set1:PRIMARY> cfg.members[0].initialSync =

{state: 2} { "state" : 2 }

set1:PRIMARY> cfg.members[1].initialSync =

{state: 2} { "state" : 2 }

set1:PRIMARY> cfg.members[3].initialSync =

{state: 2} { "state" : 2 }

set1:PRIMARY> cfg.members[4].initialSync =

{state: 2} { "state" : 2 }

set1:PRIMARY> cfg
{
"_id" : "set1",
"version" : 8,
"members" : [
{
"_id" : 0,
"host" : "rs1a:27018",
"initialSync" :

{ "state" : 2 }

},
{
"_id" : 1,
"host" : "rs1b:27018",
"initialSync" :

{ "state" : 2 }

},

{ "_id" : 3, "host" : "rs1arbiter:27018", "arbiterOnly" : true }

,
{
"_id" : 4,
"host" : "rs1c:27018",
"priority" : 0,
"hidden" : true,
"initialSync" :

{ "state" : 2 }

},
{
"_id" : 5,
"host" : "rs1d:27018",
"priority" : 0,
"slaveDelay" : 7200,
"hidden" : true,
"initialSync" :

{ "state" : 2 }

}
]
}
set1:PRIMARY> rs.reconfig(cfg)
Sat Feb 5 07:56:32 DBClientCursor::init call() failed
Sat Feb 5 07:56:32 query failed : admin.$cmd { replSetReconfig: { _id: "set1", version: 9, members: [ { _id: 0, host: "rs1a:27018", initialSync:

{ state: 2.0 }

}, { _id: 1, host: "rs1b:27018", initialSync:

{ state: 2.0 }

},

{ _id: 3, host: "rs1arbiter:27018", arbiterOnly: true }

, { _id: 4, host: "rs1c:27018", priority: 0.0, hidden: true, initialSync:

{ state: 2.0 }

}, { _id: 5, host: "rs1d:27018", priority: 0.0, slaveDelay: 7200, hidden: true, initialSync:

{ state: 2.0 }

} ] } } to: localhost:27018
shell got exception during reconfig: Error: error doing query: failed
in some circumstances, the primary steps down and closes connections on a reconfig
null
Sat Feb 5 07:56:32 trying reconnect to localhost:27018
Sat Feb 5 07:56:32 reconnect localhost:27018 ok
set1:SECONDARY> rs.conf()
{
"_id" : "set1",
"version" : 9,
"members" : [

{ "_id" : 0, "host" : "rs1a:27018" }

,

{ "_id" : 1, "host" : "rs1b:27018" }

,

{ "_id" : 3, "host" : "rs1arbiter:27018", "arbiterOnly" : true }

,

{ "_id" : 4, "host" : "rs1c:27018", "priority" : 0, "hidden" : true }

,

{ "_id" : 5, "host" : "rs1d:27018", "priority" : 0, "slaveDelay" : 7200, "hidden" : true }

]
}