Mellanox Technologies/Nvidia Assigned Patent
Transparent recovery of emulated storage device after failure
By Francis Pelletier | March 14, 2025 at 2:00 pmMellanox Technologies, Ltd., (acquired by Nvidia Corp.) Yokneam, Israel , has been assigned a patent (12248372) developed by Spiegelman; Roman, Yokneam Illit, Israel, Bar-Ilan; Eliav, Or Akiva, Israel, and Duer; Oren, Kohav Yair, Israel, for a “transparent recovery of emulated storage device after a failure.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: “In one embodiment, a system includes a storage device controller including a first controller to read commands from a submission queue stored in a shared memory, provide the commands to a second controller, and write completion notices received from the second controller to a completion queue in the shared memory, and the second controller to receive the commands from the first controller, perform storage operations with a non-volatile memory responsively to receiving the commands, generate the completion notices responsively to performing the storage operations, provide the completion notices to the first controller, write recovery data about the commands and the completion notices to a persistent memory, and recover from a failure responsively to retrieving the recovery data from the persistent memory.”
The patent application was filed on 2023-03-19 (18/186171).