11g RAC 集群中比10g RAC 进程多了不少，下面列出每个组件对应的执行Process，及进程的属组。
| Component | Processes | Processes Owner |
| Cluster Ready Service (CRS) | crsd | root |
| Cluster Synchronization Service (CSS) | ocssd,cssdmonitor,cssdagent |
grid owner, root root |
| Event Manager (EVM) | evmd, evmlogger | grid owner |
| Cluster Time Synchronization Service (CTSS) | octssd | root |
| Oracle Notification Service (ONS) | ons, eons | grid owner |
| Oracle Agent | oraagent | grid owner |
| Oracle Root Agent | orarootagent | root |
| Grid Naming Service (GNS) | gnsd | root |
| Grid Plug and Play (GPnP) | gpnpd | grid owner |
| Multicast domain name service (mDNS) | mdnsd | grid owner |
在操作系统中看到的权限：
[01:22 PM] root@lixiaoer> ps -ef|grep crsd
root 32262 9262 0 13:22 pts/0 00:00:00 grep crsd
root 38831 1 0 2015 ? 14:09:14 /oradb/11.2.0/grid/bin/crsd.bin reboot
[01:22 PM] root@lixiaoer>
[01:22 PM] root@lixiaoer> ps -ef|grep ocssd
root 32381 9262 0 13:23 pts/0 00:00:00 grep ocssd
oraprod 38341 1 0 2015 ? 12:22:06 /oradb/11.2.0/grid/bin/ocssd.bin
[01:23 PM] root@lixiaoer>
[01:23 PM] root@lixiaoer> ps -ef|grep evm
root 32639 9262 0 13:23 pts/0 00:00:00 grep evm
oraprod 38627 1 0 2015 ? 04:47:13 /oradb/11.2.0/grid/bin/evmd.bin
oraprod 38942 38627 0 2015 ? 00:00:00 /oradb/11.2.0/grid/bin/evmlogger.bin -o /oradb/11.2.0/grid/evm/log/evmlogger.info -l /oradb/11.2.0/grid/evm/log/evmlogger.log
[01:24 PM] root@lixiaoer> ps -ef|grep octssd
root 32928 9262 0 13:24 pts/0 00:00:00 grep octssd
root 38591 1 0 2015 ? 05:00:37 /oradb/11.2.0/grid/bin/octssd.bin reboot
[01:24 PM] root@lixiaoer>
[01:24 PM] root@lixiaoer> ps -ef|grep ons
root 33037 9262 0 13:24 pts/0 00:00:00 grep ons
root 37944 1 0 2015 ? 00:00:00 /usr/sbin/console-kit-daemon --no-daemon
oraprod 39078 1 0 2015 ? 00:00:00 /oradb/11.2.0/grid/opmn/bin/ons -d
[01:24 PM] root@lixiaoer> ps -ef|grep oraagent
root 33168 9262 0 13:25 pts/0 00:00:00 grep oraagent
oraprod 38240 1 0 2015 ? 07:26:40 /oradb/11.2.0/grid/bin/oraagent.bin
[01:25 PM] root@lixiaoer> ps -ef|grep orarootagent
root 33363 9262 0 13:25 pts/0 00:00:00 grep orarootagent
root 38279 1 0 2015 ? 06:34:40 /oradb/11.2.0/grid/bin/orarootagent.bin
[01:25 PM] root@lixiaoer> ps -ef|grep gnsd
root 33479 9262 0 13:26 pts/0 00:00:00 grep gnsd
[01:26 PM] root@lixiaoer>
[01:26 PM] root@lixiaoer> ps -ef|grep gpnpd
root 33574 9262 0 13:26 pts/0 00:00:00 grep gpnpd
oraprod 38263 1 0 2015 ? 00:47:31 /oradb/11.2.0/grid/bin/gpnpd.bin
[01:26 PM] root@lixiaoer> ps -ef|grep mdnsd
root 33660 9262 0 13:26 pts/0 00:00:00 grep mdnsd
oraprod 38252 1 0 2015 ? 00:04:38 /oradb/11.2.0/grid/bin/mdnsd.bin