From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Douglas Miller <dougmill@linux.vnet.ibm.com>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Hannes Reinecke <hare@suse.de>,
linux-scsi@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] virtio_scsi: let host do exception handling
Date: Mon, 26 Jun 2017 13:11:27 -0400 [thread overview]
Message-ID: <yq1zicu65ds.fsf@oracle.com> (raw)
In-Reply-To: <20170621143546.5826-1-pbonzini@redhat.com> (Paolo Bonzini's message of "Wed, 21 Jun 2017 16:35:46 +0200")
Paolo,
> virtio_scsi tries to do exception handling after the default 30
> seconds timeout expires. However, it's better to let the host control
> the timeout, otherwise with a heavy I/O load it is likely that an
> abort will also timeout. This leads to fatal errors like filesystems
> going offline.
>
> Disable the 'sd' timeout and allow the host to do exception handling,
> following the precedent of the storvsc driver.
Applied to 4.13/scsi-queue. Thank you!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2017-06-26 17:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-21 14:35 [PATCH] virtio_scsi: let host do exception handling Paolo Bonzini
2017-06-26 17:11 ` Martin K. Petersen [this message]
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