Re: [PATCH v1 06/20] [SCSI] mpt3sas: Provides the physical location of sas drives

From: Martin K. Petersen
Date: Fri Jun 19 2015 - 16:22:54 EST

>>>>> Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxxx> writes:

> This Patch will provide more details of the devices such as slot
> number, enclosure logical id, enclosure level & connector name in the
> following scenarios, - When end device is added in the topology, -
> When the end device is removed from the setup, - When the SCSI mid
> layer issues TASK ABORT/ DEVICE RESET/ TARGET RESET during error
> handling, - When any command to the device fails with Sense key
> Hardware error or Medium error or Unit Attention, - When firmware
> returns device error or device not ready status for the end device, -
> When a Predicted fault is detected on an end device.

> This information can be used by the user to identify the location of
> the desired drive in the topology.

> Driver will get these information by reading the sas device page0.

Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

Martin K. Petersen Oracle Linux Engineering
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