Patent ID: 11861199
Assignee: NETAPP, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. A system comprising:
a persistent memory tier configured to manage a persistent memory file system that stores data within a plurality of pages of persistent memory according to byte-addressable access, wherein the persistent memory tier provides an indication to a file system tier of up-to-date data stored by the persistent memory tier; and
the file system tier configured to store data within blocks of a storage device according to block-addressable access, wherein the file system tier implements a consistency point operation to store dirty data of the file system tier to the storage device, wherein virtual volume block numbers and not physical block numbers are allocated for the blocks by the file system tier during the consistency point operation based upon a determination that up-to-date data of the blocks is stored by the persistent memory tier.