Methods of consistent data protection for multi-server...

Details Methods of consistent data protection for multi-server... Methods of consistent data protection for multi-server...

2011-04-19

2011-04-19

Vu, Viet (Department: 2448)

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

Plural shared memories

C709S225000, C709S229000

Reexamination Certificate

active

07930359

ABSTRACT:
A method according to one embodiment includes receiving a request to perform a snapshot of data associated with an application running on multiple servers; coordinating I/O Freezers on different servers for freezing data requests from instances of the application running on the servers; and after determining that the I/O Freezers have frozen the data requests, requesting initiation of a snapshot operation to take the snapshot of the data.

REFERENCES:
patent: 7366858 (2008-04-01), Berkowitz et al.
patent: 2009/0055447 (2009-02-01), Sudhakar
patent: 2010/0011178 (2010-01-01), Feathergill

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