linux-kernel - Re: [PATCH 00/14] scsi: scsi_error: Introduce new error handle mechanism

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Message-ID: <04ca315e-e375-40ab-8596-613f8d453008@kernel.org>
Date: Tue, 2 Sep 2025 14:08:41 +0900
From: Damien Le Moal <dlemoal@...nel.org>
To: JiangJianJun <jiangjianjun3@...wei.com>, linux-scsi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hewenliang4@...wei.com,
 yangyun50@...wei.com, wuyifeng10@...wei.com, yangxingui@...artners.com
Subject: Re: [PATCH 00/14] scsi: scsi_error: Introduce new error handle
 mechanism

On 9/2/25 2:30 PM, JiangJianJun wrote:
>> Barely half of your emails have made it through for me and they landed in my
>> spam folder. So please check your email setup.
> 
> I also find it strange, but my colleague can receive it. Maybe i reset email
> and send again? 
> 
>> Also, was this all tested with libata and libsas attached devices as well ?
>> They all depend on scsi EH.
> 
> There is currently no tool available for injecting faults into hard drives,
> but we have implemented this solution in our company's products. So i just
> test with scsi_debug.

Use write long command to "destroy" sectors. Then try to read them. That will
generate uncorrectable read errors.

See sg_write_long (sg3utils).


-- 
Damien Le Moal
Western Digital Research