Idempotent journal mechanism for file system

Details Idempotent journal mechanism for file system Idempotent journal mechanism for file system

2006-03-08

2010-10-05

Trujillo, James (Department: 2159)

Data processing: database and file management or data structures

File management

File systems

C707S672000, C707S640000

Reexamination Certificate

active

07809778

ABSTRACT:
Use and maintenance of an idempotent journal in a system having multiple metadata servers. A data modification operation is performed by a metadata server. A journal entry corresponding to the data modification operation is generated. The journal entry includes a file identifier and a journal sequence number corresponding to a data modification operation that created the file.

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