Patent ID: 7418548

Claim:
A method comprising: issuing a read request to request reading of at least one portion of data stored in a first storage device; issuing a write request to request writing of the at least one portion of the data into one of a second storage device and at least one location in the first storage device, the at least one location being comprised in a volume of a redundant array of inexpensive disks (RAID), the data being stored in a non-RAID volume in the first storage device; in response, at least in part, to a request to access one or more other portions of the data stored in the non-RAID volume at least one of received and issued by one or more operating system processes while at least one of the reading and the writing is occurring, issuing an access request to request accessing of the one or more other portions of the data and accessing the one or more other portions of the data while the at least one of the reading and the writing is occurring; after the writing, issuing a storage request to request storing in the first storage device and in the second storage device of an indication, at least in part, of at least one other portion of the data to be next read; and issuing another storage request to request storage in the first storage device and in the second storage device of configuration information indicating, at least in part, parameters of the non-RAID volume and of the RAID volume.