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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: John Garry <john.garry@huawei.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
	Ming Lei <ming.lei@redhat.com>,
	"chenxiang \(M\)" <chenxiang66@hisilicon.com>,
	"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
	"linux-scsi\@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-block\@vger.kernel.org" <linux-block@vger.kernel.org>,
	Linuxarm <linuxarm@huawei.com>,
	Steffen Maier <maier@linux.ibm.com>
Subject: Re: DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT
Date: Wed, 05 Dec 2018 23:22:34 -0500	[thread overview]
Message-ID: <yq1efavp9md.fsf@oracle.com> (raw)
In-Reply-To: <fe72aef6-d313-5f02-7c0e-0eea28e86582@huawei.com> (John Garry's message of "Wed, 5 Dec 2018 15:27:09 +0000")


John,

>> I'll have to go revisit the archives for your exact fio bits.

Your fio test case ran to completion on all my test systems.

>> But I successfully ran our DIX/T10 PI qualification tooling without any
>> errors on the latest SCSI tree. On both scsi_debug and FC hardware.
>
> I'm not fimilar with this tooling. Is it internal to your company?

Sadly, yes :( We have not had much luck upstreaming the necessary aio
integrity passthrough enhancements.

> Unfortunately it seems that no other SAS HBA kernel driver supports
> DIX, so we have nothing to test against for this transport.

We did a preliminary qual of LSISAS3008 many moons ago. But we had no
immediate use for it in our offerings so it never went beyond that. I
know other companies are using it, though.

-- 
Martin K. Petersen	Oracle Linux Engineering

  reply	other threads:[~2018-12-06  4:22 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-27  9:55 DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT chenxiang (M)
2018-11-27 13:08 ` Ming Lei
2018-11-28  3:37   ` chenxiang (M)
2018-11-29 18:17     ` Ming Lei
     [not found]   ` <6c573f36-60d8-0631-e9ac-dacd72f6c8ad@hisilicon.com>
2018-11-29  0:54     ` Ming Lei
2018-11-30  1:19     ` Ming Lei
2018-11-30 11:26       ` John Garry
2018-12-04  3:55         ` Martin K. Petersen
     [not found]           ` <45193ec6-6398-3953-4833-88ca2057971a@huawei.com>
2018-12-05  2:22             ` Martin K. Petersen
2018-12-05  2:31               ` [PATCH] scsi: t10-pi: Return correct ref tag when queue has no integrity profile Martin K. Petersen
2018-12-05  4:24                 ` Bart Van Assche
2018-12-05 14:04                   ` Martin K. Petersen
2018-12-05 15:00                     ` Bart Van Assche
2018-12-06  4:17                       ` Martin K. Petersen
2018-12-06 12:04                         ` John Garry
2018-12-06 12:04                           ` John Garry
2018-12-06 12:16                           ` chenxiang (M)
2018-12-06 12:16                             ` chenxiang (M)
2018-12-05 15:27               ` DIF/DIX issue related to config CONFIG_SCSI_MQ_DEFAULT John Garry
2018-12-06  4:22                 ` Martin K. Petersen [this message]
2018-12-06 17:33                   ` John Garry
2018-12-07  3:20                     ` Martin K. Petersen
2018-12-05  2:56       ` Martin K. Petersen
2018-11-27 20:22 ` Ewan D. Milne
2018-11-28  3:11   ` chenxiang (M)

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