Method for performing a snapshot in a distributed shared file system

摘要

A method for performing a snapshot in a distributed shared file system (DSFS) is provided. The method includes synchronizing a snapshot operation among a plurality of domains of the DSFS; writing pending write requests to a memory to suspend write operations for the domains of the DSFS; and after the writing the pending write requests, generating a snapshot file comprising data items representing a current state of the DSFS.