baber
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Expert

Why we choose low disk capacity for cache tier when we are using high endurance disks

As I find out there is a direct relation between the size of cache tier and disk's endurance for cache tier according to attach pic when we are using mixed use with DWPD =3 , we have to select large disk capacity 2.4T but when we are using optane ssd as it has DWPD 30 
we can use low capacity 300G . Would you please tell me why we need low disk capacity when we are using high endurance disks ?

 

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