Definition of Unified Storage: In the storage industry, " Unified Storage " refers to a platform that can natively serve both Block-level storage (accessed via protocols like Fibre Channel, iSCSI, or NVMe-oF) and File-level storage (accessed via protocols like NFS or SMB) from a single pool of capacity and under a single management interface.
Pure Storage Implementation (FA File): Pure Storage achieved unified storage on the FlashArray through the introduction of Purity//FA File Services . Unlike traditional unified storage that often required a " gateway " or separate hardware " heads, " Pure’s implementation runs natively on the FlashArray controllers.
Shared Resources: On a unified FlashArray, the global storage pool is shared between volumes (Block) and file systems (File). All of Pure’s core data services—such as deduplication, compression, and SafeMode snapshots —apply globally across both block and file data.
Protocol Diversity: While Option A mentions NFS and SMB, those are strictly File protocols. Option C mentions iSCSI and FC, which are strictly Block protocols. Only Option B correctly identifies the combination of Block and File , which defines the " Unified " architecture of the FlashArray.
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