[Bug 247188] "camcontrol devlist" does not show zvol-backed virtio devices

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Jun 13 18:26:36 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247188

--- Comment #5 from Sebastien Boisvert <seb at boisvert.info> ---
I just tested with virtio-scsi and it the device also does not show up:

[CODE]
root at atlantis:~ # grep disk1_ /tank/vm-bhyve/nova/nova.conf
disk1_name="disk1"
disk1_type="virtio-scsi"
disk1_dev="zvol"
[/CODE]


[CODE]
root at nova:~ # camcontrol devlist|wc -l
       0
[/CODE]


Allan Jude said that a SCSI device will be managed by the CAM subsystem.

So it seems that from the point of view of CAM, virtio-scsi is not a SCSI
device.


I confirm that a "ahci-hd" (SATA) disk is found inside the virtual machine by
CAM:

[CODE]
root at nova:~ # camcontrol devlist
<BHYVE SATA DISK 001>              at scbus0 target 0 lun 0 (ada0,pass0)
[/CODE].

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