ubuntu@ReportingService-use1b-01:~$ mongo
MongoDB shell version: 2.6.8
connecting to: test
mongos> show dbs
admin (empty)
config 0.234GB
...
reportsCore 367.407GB
reportsGeo 15.946GB
reportsOps 193.492GB
reportsRaw 309.711GB
reportsSites 2200.512GB
test 0.203GB
...
mongos> use reportsRaw
switched to db reportsRaw
mongos> db.dropDatabase()
{ "dropped" : "reportsRaw", "ok" : 1 }
mongos> show dbs
admin (empty)
config 0.234GB
...
reportsCore 367.407GB
reportsGeo 15.946GB
reportsOps 193.492GB
reportsRaw 309.711GB
reportsSites 2200.512GB
test 0.203GB
...
mongos> use reportsRaw
switched to db reportsRaw
mongos> show collections
mongos>
The 1st shard PRIMARY host file system (reportsRaw files disappeared):
ubuntu@ReportingDB-use1b-01:~$ ls -l /data/mongo/SH01/reportsRaw*
ls: cannot access /data/mongo/SH01/reportsRaw*: No such file or directory
ubuntu@ReportingDB-use1b-01:~$
The 4th shard PRIMARY host file system (reportsRaw files are still here):
ubuntu@ReportingDB-use1b-04:~$ ls -l /data/mongo/SH04/reportsRaw*
rw------ 1 mongodb mongodb 67108864 Jul 16 2014 /data/mongo/SH04/reportsRaw.0
rw------ 1 mongodb mongodb 134217728 Jul 16 2014 /data/mongo/SH04/reportsRaw.1
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.10
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.11
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.12
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.13
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.14
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.15
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.16
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.17
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.18
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.19
rw------ 1 mongodb mongodb 268435456 Jul 16 2014 /data/mongo/SH04/reportsRaw.2
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.20
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.21
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.22
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.23
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.24
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.25
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.26
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.27
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.28
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.29
rw------ 1 mongodb mongodb 536870912 Jul 16 2014 /data/mongo/SH04/reportsRaw.3
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.30
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.31
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.32
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.33
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.34
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.35
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.36
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.37
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.38
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.39
rw------ 1 mongodb mongodb 1073741824 Jul 16 2014 /data/mongo/SH04/reportsRaw.4
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.40
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.41
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.42
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.43
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.44
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.5
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.6
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.7
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.8
rw------ 1 mongodb mongodb 2146435072 Jul 16 2014 /data/mongo/SH04/reportsRaw.9
rw------ 1 mongodb mongodb 16777216 Jul 16 2014 /data/mongo/SH04/reportsRaw.ns
ubuntu@ReportingDB-use1b-04:~$