Exadata CELL-01514: Connect Error. Verify that Management Server is listening at the specified HTTP port: 8888

 Today we faced below problem while trying to connect cellcli on Exadata Storage Cell

"CELL-01514: Connect Error. Verify that Management Server is listening at the specified HTTP port: 8888"

[root@testcel01 ~]# cellcli -e list physicaldisk detail

CELL-01514: Connect Error. Verify that Management Server is listening at the specified HTTP port: 8888.
[root@testcel01 ~]#

Cell server is not running actually and we need to solve this problem.
To solve this problem, you need to start cell daemon:

[root@testcel01 ~]# service celld start
1: ERROR: Resource temporarily unavailable
rds-ping failed on 192.168.10.27
1: ERROR: Resource temporarily unavailable
rds-ping failed on 192.168.23.16
1: 90 usec
1: 134 usec

Starting the RS, CELLSRV, and MS services...
Getting the state of RS services... running
Starting CELLSRV services...
The STARTUP of CELLSRV services was successful.
Starting MS services...
The STARTUP of MS services was successful.
[root@testcel01 ~]# 
[root@testcel01 ~]#

Cell server daemon was started successful. You can check its status:

[root@testcel01 ~]# service celld status
rsStatus: running
msStatus: running
cellsrvStatus: running
[root@testcel01 ~]#