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Cisco Bug: CSCuq85770 - Need to incorporate I/O Fencing related information in the I&A guide

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0.0

Description (partial)

Symptom:
I/O fencing related information to be incorporated in I&A guide.

I/O fencing is a mechanism to prevent uncoordinated access to the shared storage. It also works in the case of faulty cluster communications causing a split-brain condition.
I/O fencing is used to remove the risk associated with split brain. I/O fencing allows write access for members of the active cluster and blocks access to storage from non-members (even a node that is alive is unable to cause damage).

Conditions:
Hardware Dependent
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