Handling restart attempts for high availability managed...

Details Handling restart attempts for high availability managed... Handling restart attempts for high availability managed...

2005-06-06

2009-02-24

Lohn, Joshua A (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S037000

Reexamination Certificate

active

07496789

ABSTRACT:
Techniques are provided for managing a resource in a High Availability (HA) system. The techniques involve incrementing a count when a particular type of remedial action is performed on a resource, so that the count that reflects how often the particular type of remedial action has been performed for the resource. When it is determined that the resource has been in stable operation, the count is automatically reduced. After a failure, the count is used to determine whether to attempt to perform the particular type of remedial action on the resource. Examples of remedial actions include restarting the resource, and relocating the resource to another node of a cluster. By using the count, the system insures that a faulty resource does not get constantly “bounced”. By reducing the count when a resource has become stable, there is less likelihood that failure of otherwise stable resources will require manual intervention.

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