Date: Mon, 13 Jan 2014 20:40:45 -0500 From: Robert Simmons <rsimmons0@gmail.com> To: Bryan Venteicher <bryanv@daemoninthecloset.org> Cc: freebsd-virtualization@freebsd.org Subject: Re: Virtio Driver Message-ID: <CA%2BQLa9BtHM968JfQ1s3aCpYuMjU332fKjqQeUxnbPxQNu23kBg@mail.gmail.com> In-Reply-To: <33701594.2026.1389589987223.JavaMail.root@daemoninthecloset.org> References: <CA%2BQLa9DPKVFN74wi0XMakKnMbWE%2BC1wC-3srPwqZ_tV6UxJp=Q@mail.gmail.com> <1389555487.1395.7.camel@powernoodle.corp.yahoo.com> <33701594.2026.1389589987223.JavaMail.root@daemoninthecloset.org>
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On Mon, Jan 13, 2014 at 12:13 AM, Bryan Venteicher <bryanv@daemoninthecloset.org> wrote: > ----- Original Message ----- > > What happens if you "camcontrol rescan all" ? > > > > A VirtIO block device (and a parent VirtIO PCI device) is what is likely > getting created here, so there is no SCSI bus to rescan. > > I had a prior private conversation with Robert last week. This particular > use case will not work until PCI hotplug support is there - this is not > a limitation of VirtIO (fundamentally or as implemented in FreeBSD). > > Workarounds include use VirtIO SCSI since it supports hot plug. In FreeBSD > 10, VirtIO block supports the resize events from the hypervisor, but the > GEOM support for this was not MFC'ed to 9. I have created an image of 10-RC5 that I will try the same conditions I described earlier on. Unfortunately, I'm using a cloud service, so I don't have control to change the settings of OpenStack. Thanks for the insight. I'll let you all know the outcome.
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