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HGST Announces Delivery of First 10 TB Helium/Shingled HDDs

posted by janrinok on Wednesday June 10 2015, @11:42PM   Printer-friendly
from the remember-when-they-said-spinning-drives-were-finished? dept.

takyon writes:

Western Digital subsidiary HGST has announced the Ultrastar Archive Ha10, a 10 terabyte helium-filled shingled magnetic recording (SMR) hard disk drive. It rotates at 7,200 RPM and has a 256MB cache.

HGST has also released libzbc, "a simple library providing functions for manipulating disks supporting the Zoned Block Command (ZBC) and Zoned-device ATA command set (ZAC)."

The new drive is intended for enterprise bulk storage that is infrequently accessed. SMR tracks are partially overlapped which can hurt drive performance. The Ha10 has lower sequential write speeds than the He8. Seagate has already released 8 TB SMR drives.

What's next? 12 TB? 16 TB? HAMR?

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  • (Score: 0) by Anonymous Coward on Thursday June 11 2015, @04:52PM

    by Anonymous Coward on Thursday June 11 2015, @04:52PM (#195033)

    Rebuilding RAID5 means recalculating parity. Recalculating parity means reading all the data on the array, which is when the URE occurs.
    I too thought it was extremely unlikely to happen, until of course it happened to me.