User's Guide

Figure 61 Sample Configuration
To configure SADTA, two CRS sub-clusters; one at the San Francisco site and the other at the San
Jose site, must be created. The Oracle Clusterware software must be installed at each site in the
Metrocluster. The CRS daemons at the sub-clusters must be configured as a Serviceguard package
using the SGeRAC toolkit. The CRS Home is installed on a file system that is local to a site. The
CRS voting and OCR disks must not be configured for replication.
Table 28 lists the CRS packages and other resources that form the CRS sub-cluster at each site.
Table 28 CRS Sub-clusters configuration in the Metrocluster
San JoseSan FranciscoSite
sjc_crssfo_crsCRS Cluster Name
SJC_1 and SJC_2SFO_1 and SFO_2Members
sjc_crssfo_crsCRS MNP
sjc_crs_icsfo_crs_icCRS Interconnect MNP
/opt/crs/oracle/product/10.2.0/crs/opt/crs/oracle/product/10.2.0/crsCRS HOME
/cfs/sjc_crs/OCR/ocr/cfs/sfo_crs/OCR/ocrCRS OCR
/cfs/sjc_crs/VOTE/vote/cfs/sfo_crs/VOTE/voteCRS Voting Disk
/cfs/sjc_crs/cfs/sfo_crsCRS mount point
sjc_crs_mpsfo_crs_mpCRS MP MNP
package
sjc_crs_dgsfo_crs_dgCRS DG MNP
package
sjc_crsdgsfo_crsdgCVM DG Name
192.1.8.1 SJC_1p.hp.com
192.1.8.2 SJC_2p.hp.com
192.1.7.1 SFO_1p.hp.com
192.1.7.2 SFO_2p.hp.com
Private IPs
16.89.141.202 SJC_1v.hp.com
16.89.141.204 SJC_2v.hp.com
16.89.140.202 SFO_1v.hp.com
16.89.140.204 SFO_2v.hp.com
Virtual IPs
In this example, two replicas of the RAC database need to be configured; one at San Francisco
and the other at San Jose. The database must be created at the nodes in the San Francisco site
and the configuration and data must be replicated to the nodes in the San Jose site. The RAC
database software must be installed on the local file system at each node. The database uses two
CFS file systems for database files; one for the database data and the other for flash recovery
area. The RAC database must be configured using the SGeRAC toolkit at each site. The disk group
names and file systems mount point paths must be the same for both the site databases. However,
Configuring Oracle RAC Database in a Site Aware Disaster Tolerant Architecture 365