CPC G06F 3/064 (2013.01) [G06F 3/0619 (2013.01); G06F 3/0631 (2013.01); G06F 3/0665 (2013.01); G06F 3/0679 (2013.01); G06F 9/30189 (2013.01); G06F 9/4498 (2018.02); G06F 11/0772 (2013.01)] | 20 Claims |
1. A method comprising:
storing, 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;
transmitting, by the persistent memory file system, and indication to a file system tier of up-to-date data stored by the persistent memory tier;
performing, 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.
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