Patent ID: 9632890
Date: 2017-04-25
CPC Classifications: G06F

Claim:
1. A method for facilitating n-way high availability storage services, the method comprising: monitoring with a passive storage controller a plurality of active storage controllers; determining with the passive storage controller when a failure of one of the active storage controllers has occurred based on the monitoring; remapping one or more storage devices previously assigned to the one of the active storage controllers to the passive storage controller; retrieving one of a plurality of transaction logs corresponding to the one of the active storage controllers from a transaction log database, wherein the transaction log database is separate from the active storage controllers and the passive storage controller, and is accessible over at least one communication network by the active storage controllers and the passive storage controller; and replaying one or more transactions in the one transaction log with the passive storage controller when the failure of the one of the active storage controllers is determined to have occurred.