Patent ID: 11960917
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. A computer system comprising one or more processors, one or more computer-readable memories, and one or more computer-readable storage devices, and program instructions stored on at least one of the one or more storage devices for execution by at least one of the one or more processors via at least one of the one or more memories, the stored program instructions comprising:
program instructions to instantiate, for a first server virtual machine (VM) virtualizing a logical volume in a read/write mode for a client VM, a second server VM virtualizing the logical volume in an off mode, the logical volume comprising a virtualization of a portion of physical storage;
program instructions to deactivate, at the first server VM, the logical volume, the deactivating disallowing the first server VM from performing a storage request from the client VM; and
program instructions to activate, at the second server VM, the logical volume, the activating performed by causing the second VM to virtualize the logical volume in the read/write mode, the activating allowing the second server VM to perform the storage request.