IBM Peer-to-Peer Virtual Tape Server Failover Test Scenarios in a zOS Environment
Document Author:
Jim Fisher
Document ID:
WP100198
Doc. Organization:
Advanced Technical Support
Document Revised:
03/28/2006
Product(s) covered:
VTS
Abstract: The IBM TotalStorage Peer-to-Peer Virtual Tape Server is designed so that no single component failure will result in loss of access to data. In addition, data access is also preserved during many multiple component failure situations. The complexity of the PtP configuration, coupled with the large number of possible failure scenarios, has made the task of developing failover test plans a challenging one. This paper was written in an effort to assist IBM Specialists and customers in developing such plans. The paper documents a series of PtP failover testing scenarios for zOS which were run in an IBM laboratory environment. These test scenarios will exercise the critical hardware and microcode failover capabilities of the PtP. Single failures of all major components and communication links are simulated, and some multiple failures are also tested.
Classification:
Hardware
Category:
Security
Platform(s):
IBM System Storage
O/S:
OS/390
Keywords:
3494, VTS, Peer-to-Peer
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