US 2012/0059972 A1Published application

Hybrid storage apparatus and hybrid storage medium controlller and addressing method thereof

AssigneePhison Electronics Corp.

InventorBan-Hui Chen

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Abstract

A hybrid storage apparatus including a non-volatile memory module, a hard disk module, and a hybrid storage medium controller is provided. The hybrid storage medium controller groups physical bocks of the non-volatile memory module into at least a storage area and a replacement area, and the hybrid storage medium controller configures a plurality of logical blocks for mapping to the physical blocks in the storage area and configures a plurality of logical disk addresses for mapping to physical disk addresses of the hard disk module. The hybrid storage medium controller further configures a plurality of logical access addresses to be accessed by a host system and initially maps a portion of the logical access addresses to the logical blocks and the other logical access addresses to a portion of the logical disk addresses. Accordingly, the hybrid storage apparatus can have improved data access performance and prolonged lifespan.

Claims14

Dependent claims

A hybrid storage apparatus, comprising:

a connector, configured for connecting to a host system;
a non-volatile memory module, having a plurality of physical blocks;
a hard disk module, having a plurality of physical disk addresses;
and
a hybrid storage medium controller, coupled to the connector, the non-volatile memory module, and the hard disk module,
wherein the hybrid storage medium controller is configured to group the physical blocks into at least a storage area and a replacement area, arrange a plurality of logical blocks to map to the physical blocks of the storage area and arrange a plurality of logical disk addresses to map to the physical disk addresses of the hard disk module,
wherein the hybrid storage medium controller is further configured to group the logical disk addresses into at least a first logical disk address cluster and a second logical disk address cluster,
wherein the hybrid storage medium controller is further configured to arrange a plurality of logical access addresses to be accessed by the host system and groups the logical access addresses into a first logical access address cluster and a second logical access address cluster,
wherein the hybrid storage medium controller is further configured to initially map the logical access addresses of the first logical access address cluster to the logical blocks and map the logical access addresses of the second logical access address cluster to the logical disk addresses of the second logical disk address cluster.

6 more elements

A hybrid storage medium controller, for managing a non-volatile memory module and a hard disk module, wherein the non-volatile memory module has a plurality of physical blocks, and the hard disk module has a plurality of physical disk addresses, the hybrid storage medium controller comprising:

a host interface, configured to couple to a host system;
a storage medium interface, configured to couple to the non-volatile memory module and the hard disk module;
and
a storage medium management circuit, coupled to the host interface and the storage medium interface,
wherein the storage medium management circuit is configured to group the physical blocks into at least a storage area and a replacement area, configure a plurality of logical blocks to map to the physical blocks in the storage area and configure a plurality of logical disk addresses to map to the physical disk addresses of the hard disk module,
wherein the storage medium management circuit is configured to groups the logical disk addresses into at least a first logical disk address cluster and a second logical disk address cluster,
wherein the storage medium management circuit is further configured to configure a plurality of logical access addresses to be accessed by the host system and group the logical access addresses into a first logical access address cluster and a second logical access address cluster,
wherein the storage medium management circuit is further configured to initially map the logical access addresses of the first logical access address cluster to the logical blocks and map the logical access addresses of the second logical access address cluster to the logical disk addresses of the second logical disk address cluster.

5 more elements

An addressing method, for a hybrid storage apparatus having a non-volatile memory module and a hard disk module, wherein the non-volatile memory module has a plurality of physical blocks, and the hard disk module has a plurality of physical disk addresses, the addressing method comprising:

grouping the physical blocks into at least a storage area and a replacement area;
configuring a plurality of logical blocks to be mapped to the physical blocks in the storage area;
configuring a plurality of logical disk addresses to be mapped to the physical disk addresses of the hard disk module,
grouping the logical disk addresses into at least a first logical disk address cluster and a second logical disk address cluster;
grouping a plurality of logical access addresses to be accessed by a host system;
grouping the logical access addresses into a first logical access address cluster and a second logical access address cluster;
and
initially mapping the logical access addresses of the first logical access address cluster to the logical blocks and mapping the logical access addresses of the second logical access address cluster to the logical disk addresses of the second logical disk address cluster.

5 more elements

Dependencies are inferred from the claim text.