rs.conf()
{
...
"version" : 560512,
"protocolVersion" : NumberLong(1),

...

/data/WiredTigerLAS.wt grows unlimited to 92% diskspace of /dava volume and 

get the primary  member in idle status, can not response to read and write operation. 

rs.config() and rs.config() still works

rs.reconfig() will pending there. 

Any other info need provide please let me know