Patent ID: 8401999
Filing Date: 2013-03-19
Classification: G06F

Abstract:
1. A method for operation of a first storage unit in a network having clients and a second storage unit, said method comprising: intercepting a data operation from a requesting client with a kernel module before the data operation is received by a first storage array in the first storage unit; determining whether the data operation modifies data present on the first storage unit with the kernel module; rebooting a card with a central processing unit on the first storage unit when the first storage unit crashes to allow for transmission of any remaining data operations in the buffer to the second storage unit, and the card resides in the first storage unit, and wherein the buffer and the first storage array in the first storage unit provide two discrete communication paths for data operations to travel where one communication path is between the kernel module through the buffer on the first storage unit to the second storage unit and the second communication path is from the kernel module to the first storage array, wherein the communication path between the kernel module and the buffer is on a dedicated connection isolated from the second communication path.