From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Hannes Reinecke <hare@suse.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Andrey Melnikov <temnota.am@gmail.com>,
Zhong Li <lizhongfs@gmail.com>,
linux-scsi@vger.kernel.org
Subject: Re: [RFC,v2] scsi: scan: map PQ=1, PDT=other values to SCSI_SCAN_TARGET_PRESENT
Date: Mon, 30 Sep 2019 21:53:42 -0400 [thread overview]
Message-ID: <yq14l0t1ba1.fsf@oracle.com> (raw)
In-Reply-To: <aa9016ff-af17-f18b-abf8-ffb73438c394@suse.de> (Hannes Reinecke's message of "Fri, 27 Sep 2019 16:16:42 +0200")
Hannes,
> 1) all underlying devices are exported to the OS; of course they have
> to be properly masked etc to avoid udev to latch on those devices. I
> also was under the impression that the 'no_uld_attach' should be
> sufficient here, but then that only avoids the 'sd' driver to become
> attached to it. The actual SCSI device is still visible, so one
> _might_ be tempted to use the 'sg' device and export it to things like
> qemu. Which of course should be avoided.
Well, yes. But in this case the bug report was that sg devices were no
longer available for smartmontools to monitor.
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2019-10-01 1:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-29 15:49 [RFC,v2] scsi: scan: map PQ=1, PDT=other values to SCSI_SCAN_TARGET_PRESENT Andrey Melnikov
2019-09-12 4:56 ` Zhong Li
2019-09-12 12:37 ` Andrey Melnikov
2019-09-22 12:07 ` Li Zhong
2019-09-26 23:26 ` Martin K. Petersen
2019-09-27 14:16 ` Hannes Reinecke
2019-10-01 1:53 ` Martin K. Petersen [this message]
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