Exadata Cell Services Administration


sekil

Exadata storage cell is new to the industry and only oracle is offering such a customized storage for oracle database. Unlike the traditional SAN storage ,Exadata data storage will help to reduce the processing at the DB node level. Since the exadata storage cell has its own processors and 64GB physical memory , it can easily offload the DB nodes. It has huge amount of Flash storage to speed up the I/O .The default Flash cache settings is write through. These flash can also be used as storage (like harddrive). Flash devices can give 10x better performance than normal harddrive.
  • Check the status of all CELL services
Oracle(R) Integrated Lights Out Manager
Version 3.1.2.32.b r86441
Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
-> start /SP/console
Are you sure you want to start /SP/console (y/n)? y
Serial console started. To stop, type ESC (
CellCLI> You have new mail in /var/spool/mail/root
[root@bakuexa1celadm01 ~]# service celld status
 rsStatus: running
 msStatus: running
 cellsrvStatus: running
OR
[root@bakuexa1celadm01 ~]# cellcli -e list cell attributes rsStatus, msStatus, cellsrvStatus detail
 rsStatus: running
 msStatus: running
 cellsrvStatus: running
  • Start all CELL services
#service celld start
OR
#cellcli -e alter cell startup services all
  • Stop all CELL services
#service celld stop
OR
#cellcli -e alter cell shutdown services all force
  • Restart all CELL services
#service celld restart
OR
#cellcli -e alter cell restart services all force
  • CELLSRV (Cell Server) administration
#cellcli -e alter cell stop services cellsrv
#cellcli -e alter cell start services cellsrv
#cellcli -e alter cell restart services cellsrv
  • MS (Management Server) administration
#cellcli -e alter cell stop services ms
#cellcli -e alter cell start services ms
#cellcli -e alter cell restart services ms
  • RS (Restart Server) administration
#cellcli -e alter cell stop services rs
#cellcli -e alter cell start services rs
#cellcli -e alter cell restart services rs
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