Hi Leroy,
On Fri, 2016-01-15 at 13:34 -0600, Leroy Tennison wrote:
> On gary I have to load the 9p modules for some reason but, after I
> do, I get:
>
> gary:/mnt # lsmod | grep 9p
> 9pnet_virtio 17529 0
> 9p 57012 0
> 9pnet 80300 2 9p,9pnet_virtio
> virtio_ring 21225 4
> virtio_pci,virtio_rng,virtio_balloon,9pnet_virtio
> virtio 14474 4
> virtio_pci,virtio_rng,virtio_balloon,9pnet_virtio
Weird that you have to manually load them. Did you check the
/var/log/messages or dmesg for errors?
> However,
>
> gary:/mnt # mount -t 9p -o trans=virtio,version=9p2000.L ABC
> tmp
> mount: special device ABC does not exist
>
> I've used ABC on another hypervisor, that name isn't a problem. Any
> ideas or anything else I should check?
>
> Other questions:
>
> Is there a way to list the 9p "target dir" names on either
> the hypervisor or, more importantly, the VM?
You can see them in the pci devices. Something like this can show you
the tag:
cat /sys/devices/pci0000\:00/0000\:00\:06.0/virtio1/mount_tag
Note that you can get the PCI device address either using lspci in the
guest or using within the guest XML definition (libvirt adds them for
you)
> Can duplicate "target dir" entries be used on the same
> hypervisor if they are for different VMs (i.e, a target dir of ABC on
> different VMs)? Is so, can they have different paths?
You can have the same mount tag in several guests with different paths
both in the guest and in the host.
--
Cedric
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