https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247188
Bug ID: 247188
Summary: "camcontrol devlist" does not show zvol-backed virtio
devices
Product: Base System
Version: 12.1-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bhyve
Assignee: [email protected]
Reporter: [email protected]
Created attachment 215473
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=215473&action=edit
Output of "vm info nova" on the host that's running the BHYVE hypervisor
Hi,
I think that I found a bug. I would like to fix it myself.
My host "atlantis" is running FreeBSD 12.1-RELEASE.
I have a BHYVE guest "nova" with:
- 1 20-GB file-backed disk for the operating system (FreeBSD 12.1-RELEASE),
- 8 10-GB ZVOL-backed virtio disks, and
- 8 20-GB ZVOL-backed virtio disks.
see vm-info-nova.txt
In nova, the disks are listed in /dev:
root@nova:~ # ls -1 /dev/vtbd?
/dev/vtbd0
/dev/vtbd1
/dev/vtbd2
/dev/vtbd3
/dev/vtbd4
/dev/vtbd5
/dev/vtbd6
/dev/vtbd7
/dev/vtbd8
/dev/vtbd9
However, camcontrol returns nothing.
root@nova:~ # camcontrol devlist
gpart also does not see the disks.
root@nova:~ # gpart show /dev/vtbd1
gpart: No such geom: /dev/vtbd1.
root@nova:~ # camcontrol devlist|wc -l
0
I think it is either a problem with CAM or with GEOM, or maybe the VIRTIO
driver in the guest.
>From the host point-of-view, everything seems fine.
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