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Cisco Bug: CSCvs18046 - HGST drives can show performance issues with 4k block size

Last Modified

May 21, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

4.0(4f)C

Description (partial)

Symptom:
In some circumstances, HGST HUH721010AL4200 drives may show slow performance with 4K blocksize on A38K firmware

Conditions:
This can happen in any UCS server using the HGST HUH721010AL4200 drives.
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Bug Details Include

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  • Status
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