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TA-958: When Third Party Drive Errors May Occur


Last Reviewed: 03-Nov-2016
Article ID: 000007831

Drives may go offline or report errors in operating system and RAID error logs, when certain 3rd party drives are installed in an Intel® Server Backplane AXX6DRV3GEXP or AXX4DRV3GEXP. The issue is only seen when the drives run at SATA 3.0 Gb/s, and does not occur at 1.5 Gb/s.

The SAS expander chip on Intel® Server Drive Enclosure AXX6DRV3GEXP and AXX4DRV3GEXP experience an undesired flow-control behavior when connected to a SATA disk drive running at 3.0 Gb/s. Drives operating at 3.0 Gb/s may not receive proper data or SATA flow control and may result in a timeout error. There is no timeout at 1.5 Gb/s. This interoperability limitation of the SAS expander with SATA disk drive is currently seen on Western Digital’s RE3 series SATA drives.
 

Technical Advisory 958 icon
File Name: TA0958-02.pdf
Size: 19,886 bytes
Date: June 2011

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