Patent ID: 11971825
Assignee: DELL PRODUCTS L.P.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The article of manufacture of claim 12, wherein the program code for managing the storage metadata structure comprises program code for:
writing, by the storage control system, a first metadata item with the first granularity into a first level of the log-structured merge tree data structure, wherein the first metadata item references a first data item in the persistent write cache;
writing, by the storage control system, the first data item in the persistent write cache into a second data item in the primary storage, wherein the second data item overwrites the first data item; and
writing, the storage control system, a second metadata item with the second granularity into the first level of the log-structured merge tree data structure, wherein the second metadata item references the second data item which overwrites the first data item.