Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2006-06-02
2008-12-23
Shah, Sanjiv (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S161000, C711S165000, C714S005110, C714S006130
Reexamination Certificate
active
07469325
ABSTRACT:
This storage system modifies the migration plan in accordance with the state of the migration destination when a plurality of volumes are migrated all at once. Migration-source volumes are migrated collectively to volumes inside the migration-destination storage apparatus. The user can make settings related to migration-source volumes and migration-destination volumes in a migration plan, and can establish a mid-process control plan for modifying the migration plan in the middle of processing. If a failure occurs in the migration-destination storage apparatus subsequent to the commencement of data migration processing, a processing method controller either cancels or temporarily halts the data migration processing, or changes the migration destination, on the basis of the mid-process control plan. When changing the migration destination, a previously selected alternate storage apparatus is selected as the new migration-destination storage apparatus. When a failure occurs in the alternate storage apparatus, yet another alternate storage apparatus is selected.
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Hiraiwa Yuri
Okada Wataru
Sakashita Yukinori
Sato Masahide
Shibayama Tsukasa
Hiatachi, Ltd.
Mattingly, Stanger Malur & Brundidge PC
Shah Sanjiv
Yu Jae U
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