Drives and arrays
This chapter describes the aspects and practices to consider when FlashSystem internal storage is planed and managed. Internal storage consists of NVMe FlashCore modules, NVMe drives or SAS flash drives expansion enclosures.
FlashSystem supports attachment and virtualization of external back-end storage devices. This aspect was left out of the scope of this book intentionally. For best practices for external storage, see the following publication: IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance ...

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