Template:Standby with Delay (SCT Solution): Difference between revisions
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==== Description ==== | ==== Description ==== | ||
Three devices A, B and C are in parallel. 2 out of 3 are required to perform the task. Initially A and B are working, C is in standby status. | Three devices A, B and C are in parallel. 2 out of 3 are required to perform the task. Initially A and B are working, C is in standby status. If A or B fails, C will replace | ||
the failed one with some delay. After the failed device is restored, it will become a standby device. For example, If A fails, with 10 hours delay C will become active and replace A. After A is restored, it will become a standby device for B and C. | |||
Revision as of 18:19, 10 August 2011
SCT with delay
Purposes
The purposes of this example is to illustrate how to apply SCT with delay.
Description
Three devices A, B and C are in parallel. 2 out of 3 are required to perform the task. Initially A and B are working, C is in standby status. If A or B fails, C will replace the failed one with some delay. After the failed device is restored, it will become a standby device. For example, If A fails, with 10 hours delay C will become active and replace A. After A is restored, it will become a standby device for B and C.