Calculating the number of cache management devices required by a volume that is not a DP-VOL

One volume that is not a DP-VOL requires one cache management device.

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  • Cache management device requirements

    Cache management devices are used to manage the cache associated with volumes (LDEVs). Each volume (LDEV) requires at least one cache management device. An LDEV that is not a DP-VOL requires one cache management device. For an LDEV that is a DP-VOL, you need to calculate the number of cache management devices required.