Tuesday, August 28, 2012

Oracle File/FTP adapter High Availability

Configure HA File/FTP adapter
http://docs.oracle.com/cd/E23943_01/integration.1111/e10231/adptr_file.htm#BABCBIAH



  • Same physical Dir for cluster
  • Same shared control Dir
  • JCA settings:   MaxRaiseSize,  xa-set-transaction-timeout
  • Database table (SOAINFRA created)
  • eis/HAFileAdapter  for outbound connections pools
  • in/outBoundDataSource  jdbc/SOADataSource

  • Outbound Mutex:  outboundLockTypeForWrite 
    • memory  - in memory to synchronize the write
    • oracle - use DB sequence
    • db - non-Oracle Database schema, uses table (FILEADAPTER_MUTEX)_
    • user-defined: set new binding-properties to " "oracle.tip.adapter.file.mutex""
  • BPEL or mediator .jca file to use the eis/HAFileAdapter

Monday, August 27, 2012

WebLogic GridLink DataSource (10.3.5+) for RAC

WebLogic GridLink Datasource for RAC



http://docs.oracle.com/cd/E21764_01/web.1111/e13737/gridlink_datasources.htm#CHDIAGEF

Why GridLink?

  1. Fast failover leveraging ONS of RAC
  2. fast RAC disaster graceful response (planned, wait for TX finish;  non-planned, rollback)
        • manual rac shutdown 11.2- ends as non-planned
  3. runtime load-balance  
  4. one datasource configuration, no test on reserve needed
  5. SCAN address (single address for ONS and Listener, RAC nodes neutral)
  6. secure with Wallet
Configuration
  1. create GridLink Datasource
  2. connection properties:  WLS cluster style addresses for RAC
  3. configure ONS client connection
    • Fan enabled,  host:port
  4. secure with Wallet  
    • svr classpath
      • $MW_HOME/modules/com.oracle.osdt_cert_1.0.0.0.jar
      • $MW_HOME/modules/com.oracle.osdt_core_1.0.0.0.jar
      • $MW_HOME/modules/com.oracle.oraclepki_1.0.0.0.jar
    • Add wallet
  5. SDP for InfiniBand

Thursday, August 23, 2012

Install Windows 8 on virtualbox

Microsoft Windows 8 provide a modernized interface for the generation long operating system. I liked the consumer preview (CP) version. And so when the release preview (RP) is available, I tried it on the VirtualBox VM.  It was beautiful with some improvements from CP.

Overall, it is a pleasant, and provide us a sneak peek into Microsoft's mobile strategy.