CELL-01548: Error in Exadata Cell Storage Server

The reason for error CELL-01548 is that diskgroup DATA1 is still mounted, hence you get the message CELL-01548: Unable to shut down CELLSRV because disk group DATA1 may be forced to dismount due to reduced redundancy

       

           [root@cell ~]# cellcli
CellCLI: Release 12.1.1.1.1 - Production on Thu Dec 13 16:36:20 IST 2018

Copyright (c) 2007, 2013, Oracle.  All rights reserved.
Cell Efficiency Ratio: 1

CellCLI> alter cell shutdown services all

Stopping the RS, CELLSRV, and MS services...
The SHUTDOWN of ALL services was not successful.
CELL-01548: Unable to shut down CELLSRV because disk group DATA1 may be forced to dismount due to reduced redundancy.
Getting the state of CELLSRV services...  running
Getting the state of MS services...  running
Getting the state of RS services...  running


       
 

After i dismounted the diskgroup with command SQL> Alter diskgroup data1 dismount;, i was able to shutdown the cell services

       

       [root@cell ~]# cellcli
CellCLI: Release 12.1.1.1.1 - Production on Thu Dec 13 16:41:22 IST 2018

Copyright (c) 2007, 2013, Oracle.  All rights reserved.
Cell Efficiency Ratio: 1

CellCLI>  alter cell shutdown services all

Stopping the RS, CELLSRV, and MS services...
The SHUTDOWN of services was successful.

CellCLI>