linux-kernel - Re: [PATCH v3 1/3] scsi: hisi_sas: Enable force phy when SATA disk directly connected

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4bf89b6c-8730-4ae8-8b26-770b2aab2c13@oracle.com>
Date: Thu, 20 Feb 2025 17:35:38 +0000
From: John Garry <john.g.garry@...cle.com>
To: Xingui Yang <yangxingui@...wei.com>, liyihang9@...wei.com,
        yanaijie@...wei.com
Cc: jejb@...ux.ibm.com, martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linuxarm@...wei.com,
        prime.zeng@...wei.com, liuyonglong@...wei.com, kangfenglong@...wei.com,
        liyangyang20@...wei.com, f.fangjian@...wei.com,
        xiabing14@...artners.com
Subject: Re: [PATCH v3 1/3] scsi: hisi_sas: Enable force phy when SATA disk
 directly connected

On 20/02/2025 13:05, Xingui Yang wrote:

-john.garry@...wei.com (this has not worked in over 2 years ...)

> the SAS controller determines the disk to which I/Os are delivered based
> on the port id in the DQ entry when SATA disk directly connected.
> 
> When many phys were disconnected immediately and connected again during
> I/O sending and port id of phys were changed and used by other link, I/O
> may be sent to incorrect disk and data inconsistency on the SATA disk may


So is the disk reported gone (from libsas point-of-view) after you 
unplug? If not, why not?

Thanks,
John