Method and apparatus for monitoring the quantity of...

Details Method and apparatus for monitoring the quantity of... Method and apparatus for monitoring the quantity of...

2007-01-02

2007-01-02

Bragdon, Reginald (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S111000

Reexamination Certificate

active

11089689

ABSTRACT:
Copy-on-write snapshot processing is performed on a storage system in order to produce snapshots of one or more logical volumes in the storage system. The write I/O operations made to the storage system are observed for a certain period of time. Based on the observations an estimate of the size of the storage space required to preserve the snapshot data can be computed. The information can be used to provide sufficient storage space for the snapshot process.

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patent: 2005/0086432 (2005-04-01), Sakai
patent: 2005/0172092 (2005-08-01), Lam et al.
patent: 2006/0085608 (2006-04-01), Saika

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