STORAGE SYSTEM HAVING TAG STORAGE DEVICE WITH MULTIPLE TAG ENTRIES ASSOCIATED WITH SAME DATA STORAGE LINE FOR DATA RECYCLING AND RELATED TAG STORAGE DEVICE

摘要

A storage system has a data storage device, a tag storage device and a controller. The tag storage device has a plurality of first tag entries and a plurality of second tag entries, wherein each of the first tag entries is associated with one data storage line allocated in the data storage device. The controller is coupled between the data storage device and the tag storage device, and arranged to set a specific second tag entry in the tag storage device to associate with a specific data storage line with which a specific first tag entry in the tag storage device is associated.

主权项

1. A storage system, comprising:
a data storage device; a tag storage device, comprising:
a plurality of first tag entries, each associated with one data storage line allocated in the data storage device; anda plurality of second tag entries; and a controller, coupled between the data storage device and the tag storage device, the controller arranged to set a specific second tag entry in the tag storage device to associate with a specific data storage line with which a specific first tag entry in the tag storage device is associated.