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vSphere High Performance Essentials by Christian Stankowic

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Storage DRS

In addition to conventional DRS, Storage DRS (SDRS) can be used to balance storage usage and latency. It can also be used to simplify storage management. Without Storage DRS, the administrator manually needs to ensure that all the virtual disks are placed in optimal storage. Storage DRS can assist by offering the following features:

  • Logical grouping: Coherent datastores are grouped as datastore cluster (for example, test LUNs as test datastore cluster). However, a datastore cluster is also a new storage object that is used by many tasks and tools in vSphere. Using datastore clusters heavily simplifies the storage management. Instead of specifying a particular datastore, SDRS can select the most appropriate data storage when deploying ...

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