Storage capacity allocation using distributed spare space
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Mar 15, 2016
filing date -
Mar 15, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Method and system are provided for storage capacity allocation. The method includes: providing a storage pool having multiple storage drive arrays; designating an initial available storage capacity in the storage pool; and allocating the remaining storage capacity in the storage pool to distributed spare space, wherein distributed spare space spreads portions of a spare drive across multiple storage drives in an array. The method also includes: monitoring an amount of available storage capacity as data is stored to the storage pool and determining when a threshold of a minimum available storage capacity is reached; and re-allocating one or more distributed spare drives from an array to available storage capacity when the threshold of the minimum available storage capacity is reached.
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