Storage system with virtual allocation and virtual...

Details Storage system with virtual allocation and virtual... Storage system with virtual allocation and virtual...

2006-05-24

2008-10-07

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S114000

Reexamination Certificate

active

07434017

ABSTRACT:
When a volume belonging to a first storage tier is relocated to a second storage tier, in the event that an empty volume satisfying capacity conditions is not present in the second storage tier, an empty volume satisfying the capacity conditions within volumes belonging to a third storage tier is virtually allocated to the second storage tier, a further virtual empty volume is formed, and the volume is virtually relocated to the further virtual empty volume.

REFERENCES:
patent: 6857059 (2005-02-01), Karpoff et al.
patent: 7096338 (2006-08-01), Takahashi et al.
patent: 7343465 (2008-03-01), Shibayama et al.
patent: 2006/0047909 (2006-03-01), Takahashi et al.
patent: 2006/0047930 (2006-03-01), Takahashi et al.
patent: 2006/0143418 (2006-06-01), Takahashi et al.
patent: 2008/0091898 (2008-04-01), Takahashi et al.
patent: 2001-067187 (2001-03-01), None
patent: 2003-140836 (2003-05-01), None

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