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Western Digital is launching an open initiative called Zoned Storage to convince industry to develop standards and software for emerging types of high-capacity drives - thus feathering its own nest.
These drives include spinning rust with Shingled Magnetic Recording (SMR) technology – WD expects half of its HDD exabytes shipped will be on SMR by 2023 – and Zoned Name Spaces (ZNS) SSDs, expected in 2020.
SMR - ZNS - Way - Servers - Storage
Both SMR and ZNS change the way servers interact with storage, and require additional software not necessary for traditional drives.
SMR drives overlap the neighbouring magnetic tracks on top of each other, like shingles on a rooftop. This helps squeeze more data onto a single platter, but has a negative effect on performance as any information written to disk must first be rearranged in a sequence. This tech is not proprietary to WD – its arch-rival Seagate also ships SMR drives.
ZNS - Standard - NVMe - Zones - Accordance
As for ZNS, it is a new, not fully ratified standard in NVMe that aligns "zones" in accordance with the internal physical...
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