Patent ID: 7558839
Filing Date: 2009-07-07
Classification: G06F,G11B

Abstract:
1. A method comprising: providing a user interface, in a file-based networked storage server, to enable a user to selectively enable or disable an option to require read-after-write verification individually for each of a plurality of sets of data stored by the file-based networked storage server; receiving from a client a request to perform a write of specified data; writing the specified data to a magnetic storage device managed by the file-based networked storage server in response to the request; determining whether the specified data is associated with a set of data, of said plurality of sets of data, for which said option to require read-after-write verification is enabled; if the specified data is associated with a set of data, of said plurality of sets of data, for which said option to require read-after-write verification is enabled, then verifying the specified data written to the magnetic storage device, prior to, and as a precondition of, acknowledging completion of the write of the specified data to the client; and designating the specified data written to the magnetic storage device as being in a WORM state only after successful completion of said writing and said verifying.