Patent ID: 11941280
Assignee: NETAPP, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method comprising:
in response to receiving a restore request to restore backup data of a snapshot stored within slots of one or more objects in a remote object store, creating an on-demand volume within local storage of a device;
copying metadata from the snapshot in the remote object store to the local storage, wherein the metadata comprises cloud block numbers identifying blocks comprising the backup data, wherein a cloud block number of a block comprises a sequence number of an object and a slot number of a slot within the object in which backup data of the block is stored;
in response to the metadata being copied, providing a client with access to the on-demand volume during a restore process that copies the backup data from the snapshot within the remote object store to the on-demand volume, comprising:
in response to receiving a request from the client through the on-demand volume for the block, on-demand retrieving from the snapshot and caching the block for client access based upon the metadata mapping the cloud block number of the block to an absent indicator indicating that the block has not yet been restored; and

implementing the restore process to copy the backup data from the snapshot within the remote object store to the on-demand volume using the cloud block numbers to identify and retrieve the backup data from the one or more objects within the remote object store.