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SVC cluster configuration node failover

  • US 9,940,209 B2
  • Filed: 01/21/2016
  • Issued: 04/10/2018
  • Est. Priority Date: 09/30/2009
  • Status: Active Grant
First Claim
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1. A failover method for responding to configuration node failures in a SAN Volume Controller (SVC) cluster, wherein the SVC cluster manages a plurality of storage devices and comprises a plurality of SVCs interconnected via the internet, each SVC acting as a separate node, and at any given time, only one node within the SVC cluster functions as a configuration node to operate external services, the method comprising:

  • retrieving storage device events from a storage device event monitoring unit with a new configuration node in response to the storage device events occurring in the plurality of storage devices managed by the SVC cluster; and

    saving with an original configuration node a storage device event log in the plurality of storage devices;

    wherein the storage device event monitoring unit is in a node other than the original configuration node of the SVC cluster.

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