Managing storage space of storage tiers

A method is used in managing storage space of storage tiers. Storage space utilization characteristics of a storage tier of a set of storage tiers in a storage system are evaluated. Based on the evaluation, reservation of headroom storage space in the storage tier is adjusted. The headroom storage s...

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Bibliographische Detailangaben
Hauptverfasser: Chen Xiangping, Duprey Dennis T, Tao Qin, Ku Mark K
Format: Patent
Sprache:eng
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Zusammenfassung:A method is used in managing storage space of storage tiers. Storage space utilization characteristics of a storage tier of a set of storage tiers in a storage system are evaluated. Based on the evaluation, reservation of headroom storage space in the storage tier is adjusted. The headroom storage space indicates an amount of the storage space reserved as unused storage space in the storage tier.