Oracle Clusterware Diagnosis - Expert Oracle RAC Performance Diagnostics and Tuning - page 552

memberlist: Leased NodeList entries used = 1.
memberlist: Getting information for nodenum = 1
memberlist: node_name = ssky3l11p1
memberlist: ctx->lsdata->node_num = 1
get node vip: Retrieving the virtual IP for node = ssky3l11p1
get node vip: prsr_vpip_key_len = 281
get node vip: Opening the OCR key DATABASE.NODEAPPS.ssky3l11p1.VIP
get node vip: OCR key value length = 27
get node vip: Virtual IP = ssky3l11p1-vip.localdomain
print data: Printing the node data
ssky3l11p1 1 ssky3l11p1-vip.localdomain
main: olsnodes executed successfully
term: Terminating LSF
[oracle@ssky3l11p1 ~]$

Cluster Services Control (crsctl) utility
Oracle provides a utility called crsctl for dynamic debugging, tracing, checking, and administration of various
sub-components of the clusterware.

1.

Checking the health of the Oracle Clusterware daemon processes

[root@ssky3l11p1 ~]# /u01/app/12.1.0/grid/bin/crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
The preceding output shows the health of the three clusterware processes. The health of each individual process
could also be checked using crsctl check css, evm.

2. Querying and administering CSS voting disks

In a situation where less than three vote disks are available or when the vote disk location needs to be moved,
the preceding command would be useful. It adds a new vote disk and then copies the contents from the existing vote
disk at the specified location.

[oracle@ssky3l11p1 ~]$ $GRID_HOME/bin/crsctl query css votedisk
## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE 8ee93e68dfdb4fdfbf20036e0e42af51 (ORCL:AVOL1) [GRID_DATA]
2. ONLINE 82506bd06acf4f3bbfcb7dc6a89e256e (ORCL:AVOL2) [GRID_DATA]
3. ONLINE b43b8039540f4f03bfee5a99b06bd918 (ORCL:AVOL3) [GRID_DATA]
Located 3 voting disk(s).

The preceding output lists all vote disks currently configured and in use by the CSS.

3. Performing a dynamic state dump of the CRS

[root@ssky3l11p1 ~]# /u01/app/12.1.0/grid/bin/crsctl debug statedump crs
Dumping State for crs objects