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Highly Reliable Linux HPC Clusters: Self-Awareness Approach

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high availability

Overview Current solutions for fault-tolerance in HPC systems focus on dealing with the result of a failure. However, most are unable to handle runtime system configuration changes caused by transient failures and require a complete restart of the entire machine. The recently released HA-OSCAR software stack is one such effort making inroads here. This paper discusses detailed solutions for the high-availability and serviceability enhancement of clusters by HAOSCAR via multi-head-node failover and a service level fault tolerance mechanism. The solution employs self-configuration and introduces Adaptive Self Healing (ASH) techniques. HA-OSCAR availability improvement analysis was also conducted with various sensitivity factors.

Further White Paper Details
Publisher	Intel	File Format	PDF
Date Published	October 2004
Format	White Papers
Topics	High Availability, Fault-Tolerant Servers, Linux Server OS

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