IBM TotalStorage Enterprise Storage Server FlashCopy Function with the VMware ESX 2.5 Server

Short Description
Today, many businesses have become increasingly dependent on data storage and require a high level of availability to support 24 hours a day, seven days a week (24×7) operation. A lengthy outage could lead to significant financial losses, loss of credibility with customers, and possibly even a total failure of a business. Therefore, the ability to support high availability for the major applications is more often than not a necessity for business survival. A key component of a highly available system is the storage subsystem. It is essential that high availability of data is supported, and that downtime for data backup and software maintenance is minimized or more preferably eliminated.

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IBM TotalStorage DS4000 Storage Considerations for SAS 9 on the IBM eServer p590

Short Description
This storage whitepaper presents the results, and recommendations regarding various SAS 9.1 disk layouts tested at the Beaverton Test Labs. The storage disk layout was modified and monitored in concert with CPU sizing exercises by a combined SAS and IBM SAS International Competency Center (ICC) team. The test environment consisted of SAS 9.1 on the IBM® p590 eServer™ with AIX® 5.3 and the IBM TotalStorage DS4000. Workload for the testing was provided by the SAS Extract Transform Load (ETL) Test Suite. The SAS 9.1 hardware test environment and disk layouts tested during the benchmark are detailed in this document. Relative results of the storage testing are presented in this paper along with recommendations regarding the IBM TotalStorage DS4000 disk layout for SAS 9.1.