Manage SAS Metadata Server Availability with IBM Technology
SAS Metadata Server, one of the key technology applications in SAS®9, manages and protects information that is shared across the SAS®9 framework, and can be used with various third-party monitoring tools. The ability to surface metadata from one or more repositories and serve it to applications via SAS Open Metadata Architecture allows companies to gather and store data in multiple formats and locations without losing the ability to derive consistent business intelligence from the data. The benefits of metadata are numerous, and the ability of the SAS Metadata Server to provide a centralized and easily managed system for consistent data repositories means that customers know where their data is located, what it’s made up of, and how it’s been modified. The SAS Metadata Server enables companies to, quickly and efficiently, get the right answers for all their strategic business intelligence needs.
This paper offers guidelines that enable you to build a resilient environment to support and manage the SAS Metadata Server by using IBM technology.
Fault Tolerance of the SAS Metadata Server
The SAS Metadata Server is a vital element of the SAS®9 architecture that benefits from being deployed in a resilient environment. Data protection such as that provided by Redundant Arrays of Independent Disks (RAID) file systems, and system monitoring such as that provided by the IBM Virtualization Suite support a fault-tolerant strategy.
The SAS Metadata Server uses “in-memory” architecture to process queries and updates, which means that all queried and updated metadata is held in memory by the server. To avoid paging, the server should have sufficient RAM to hold all active metadata entries.
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