Patent ID: 11947799
Assignee: AMZETTA TECHNOLOGIES, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 19:
20. A data storage system, comprising:
physical storage comprising a solid state drive (SSD);
an SSD cache;
a storage system computer operably coupled to the physical storage over a network, the storage system computer comprising a processing unit and a memory, the memory being operably coupled to the processing unit; and
a distributed volume management (DVM) module stored in the memory that, when executed by the processing unit, causes the processing unit to:
allocate a logical volume from the physical storage;
subdivide the logical volume into a plurality of logical blocks;
maintain a mapping table for tracking the logical blocks of the logical volume; and
in response to a predetermined event, execute a TRIM command for one or more unused data blocks of the SSD over the network, wherein the predetermined event is flushing of the SSD cache to the physical storage.