Patent ID: 9626111
Date: 2017-04-18
CPC Classifications: G06F

Claim:
1. A method of writing data to a mirrored storage system comprising a first storage system comprising a primary controller and a first storage and a second storage system comprising a secondary controller and a second storage, wherein the second storage contains an image of data stored in the first storage, the method comprising the steps of: a system controller receiving data to be written to storage; the system controller sending the data to the primary controller of the first storage system and to the secondary controller of the second storage system; the system controller instructing the primary controller to write the data to the first storage of the first storage system in an ordered manner; the system controller instructing the secondary controller to write the data sequentially to a data area on the second storage of the second storage system; the system controller reorganizing the sequentially written data in the data area of the second storage system into the image on the second storage; and the system controller instructing the secondary controller to erase a location of the data being written sequentially and mark the erased location.