Method and system for implenmenting buffer store uniformaty
A coherence and caching technology, applied in file systems, memory address/allocation/relocation, data processing applications, etc.
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[0019] A near-instant copy of a data file's metadata is produced as part of a synchronization operation. A near-instant copy of the metadata records all changes to the metadata. To synchronize changes to metadata by a client with a copy maintained by a server node communicating with the client, a near-instant version of the client's metadata is sent to the server node for recording in the storage area network. In the process of recording this metadata change, an application executing on the client will continue to write changes to the file and record these changes in another near client metadata update before sending another metadata update to the server. in the immediate version. Thus, the use of creating and recording near-instant versions of client metadata changes supports recording changes to a file in parallel while allowing an application to continue writing changes to the file.
[0020] technical details
[0021] Figure 4 is a flowchart (150) of ...
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