<Insert Picture Here> Oracle EPM Disaster Recovery Best Practice For Release 11. 1. 1. 3
Agenda • • • DR Approach Asymmetric Deployment Database Recommendations Application Configuration and Failover Existing Documentations
Disaster Recovery Approach Active/Standby Solution Primary Site DNS switch/Geo LBR Application Standby Site Application WAN NAS/SAN Mounted Disk Replication BINARIES CONFIGURATION Application Data Storage LDAP Data Storage Metadata Storage Security Information Storage Data Guard Application Data Storage LDAP Data Storage Metadata Storage Security Information Storage
Asymmetric Deployment Production Site Standby Site Global Router Firewall Web Tier Firewall Foundation Essbase Average Latency and Bandwidth WAN Foundation Essbase Financial Management RAC Financial Management Firewall Planning Data Guard RAC Planning Firewall Disk Replication Firewall
Hostname Requirement • Production and standby sites are in completely separate networks and the fully qualified hostnames can be the same in both sites • Or, production and standby sites have different DNS that resolves the hostnames to the right IP in their network • The standby site can have standby DNS that is activated on a disaster event • Or, production hostnames are resolved to local IP address in standby site via /etc/hosts file
Configure DR Environment • Install and Configure Primary Site • Binaries and Data should be on a replicated partition • Do not distribute services between servers that are not clustered • If hostnames are to be different in standby site, setup hostname aliases in Standby Site • Install and Configure Standby Site • Setup Database Replication • Backup & restore is ok • Setup Disk Replication • Backup & restore is ok • Enable Standby Site
Install and Configure Standby Site • Install and configure in both production & standby site Hyperion. Home for each server is in a separate directory; it should be a network share or mount point in the servers Note: BI+ repository and Essbase App directories should be in a common share across machines, e. g. under /data
Setup Hostname Aliases • If the hostnames have to be different between the two sites and there is no separate DNS for standby site, setup alias for production site servers in the standby site in the following way. /etc/hosts entries in standby site; order of server entries is important 10. 2. 1. 111 10. 2. 1. 112 10. 2. 1. 113 10. 2. 1. 114. . . server 1 drserver 1 server 2 drserver 2 server 3 drserver 3 dbserver drdbserver
Database Recommendations • Use DB Host Name alias on Standby Site • Data Guard Configuration for data repositories • For planned configuration changes, force database synchronization with Oracle Data Guard • A backup & restore procedure will also work
Setup Disk Replication • Enable disk replication • A backup & restore procedure will also work Enable Replication
Enabling Standby Site • Break mirroring between primary and standby. • Run Crash Recovery Procedure for each application • Recover Open. LDAP • Recover Essbase • Bring up the services on the standby hosts
Existing Documentation • Oracle Fusion Middleware Disaster Recovery Guide http: //download. oracle. com/docs/cd/E 10291_01/core. 1013/e 12297/toc. htm • Oracle Data Guard http: //www. oracle. com/technology/deploy/availability/htdocs/Data. Guard. Overview. html • Oracle Fusion Middleware DR Solution using Net. App Storage http: //www. netapp. com/us/library/technical-reports/tr-3672. html
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