Patent ID: 11947501
Assignee: DELL PRODUCTS L.P.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A method, comprising:
maintaining, by a system comprising a processor, a primary file system on a block array of computer storage that is configured to address the block array independently of whether the block array stores data for a secondary file system;
maintaining, by the system, the secondary file system on the block array, wherein the secondary file system is configured to access portions of the block array that are unused by the primary file system; and
in response to receiving a request to write first data to the primary file system at a first block of the block array, wherein the first block is in use by the shadowed file system to store second data, overwriting the second data with the first data, wherein the first data of the primary file system is inaccessible to the shadowed file system, and wherein the second data of the shadowed file system is inaccessible to the primary file system.