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Configuring the DS8880 - Using Small Extents

R8.1 of the DS8880 introduced a new configuration option. This provides the ability to configure a storage pool as either large or small extents. The small extent size is significantly smaller than the previous 1GB(FB)/ 1113cylinder (CKD) large extent size being 16MB (FB) / 21 cylinders (CKD). ...

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Blog Entry
DS8000 - Space Release for Global Copy and Global Mirror

DS8000 Extent Space Efficient Volumes Using Extent Space Efficient volumes with the DS8000 Storage System is a way to reduce storage costs and reduce the storage footprint. It allows you to create and use volumes where the sum of all the virtual volume capacity is greater than the physical...

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