Pure Storage, Inc.
Resource-preserving system upgrade

Abstract:

In one implementation, a method includes receiving a request to add a new system resource to a client network. The method further includes establishing a first connection between the new system resource and the client network. The method further includes establishing a second connection between the new system resource and an existing system resource. The method further includes transferring, by a system controller, a system controller role from the existing system resource to the new system resource.