What is in the new Sun BluePrint "Running Oracle Real Application Clusters on Sun Logical Domains"
The recently published BluePrint titled "Running Oracle Real Application Clusters on Sun Logical Domains" provides all necessary instructions to install and run Oracle Real Application Clusters (RAC) on servers configured with Sun Logical Domains (LDoms). LDoms is a virtualization and partitioning technology supported on Sun CoolThreads-based servers (i.e. Sun SPARC Enterprise T5140, T5240 or T5440) using UltraSPARC T1, T2, and T2 Plus processors with chip multithreading (CMT) architecture. These servers support up to 256 virtual CPUs and 512 GB of physical memory in a very dense form factor.
The Blueprint provides detailed step-by-step instructions and is full of recommendations.
For example, did you know:
- It is possible to dynamically add or remove CPUs from an active domain as long as each domain running Oracle RAC has a minimum of 8 virtual CPUs (1 CPU core)?
- Running Oracle RAC on Logical Domains requires the use of Logical Domains Manager 1.0.3 or later, of at least Solaris 10 05/08 (Update 5) and of Oracle 10g R2 (Oracle 10.2.0.4)?
- Virtual disks shared by Oracle RAC guest domains should be backed by full physical SCSI disks or SCSI LUNs?
- You should make sure that shared LUNs appear with the same name in each guest domain? (the BluePrint explains why and how)
Before installing Oracle RAC on Sun LDoms, make sure that you download a copy this BluePrint it will surely save you a lot of time and avoid headaches!
