Storage system for holding a remaining available lifetime of a logical storage region
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United States of America Patent
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Feb 5, 2013
Grant Date -
Jul 7, 2011
app pub date -
Feb 25, 2011
filing date -
Feb 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The storage system includes a plurality of first disk devices, a plurality of second disk devices, in which a lifetime of the plurality of second disk devices is different from a lifetime of the plurality of first disk devices, and a controller coupled to the plurality of first disk devices and the plurality of second disk devices. The controller configures a first logical unit by the plurality of first disk devices and a second logical unit by the plurality of second disk devices, provides the first and the second logical units to a host computer, and manages a first remaining available time of the first logical unit and a second remaining available time of the second logical unit, on logical unit basis.
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