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

Claim 17:
18. A non-transitory machine readable medium comprising instructions for performing a method, which when executed by a machine, causes the machine to:
store, by a persistent memory file system managed by a persistent memory tier, data within a plurality of pages of persistent memory according to byte-addressable access;
transmit, by the persistent memory file system, and indication to a file system tier of up-to-date data stored by the persistent memory tier;
perform, by the file system tier, consistency point operation to store dirty data of the file system tier to a 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.