We are no more able to give a pci device to one VM.
Here is the process we used to assign one device to one VM:
- Click on the VM, and then on the tab "Host devices"
- In the tab, click on "pin to host" and select the host that will give the pci
device
- Click on "add device", in the window appear all the pci devices: choose the
pci card you wish (ex. pci_0000_83_00_0 pci_0000_83_00_1) and then click on the
gray arrow to assign this device to the VM
- Click on ok
- boot the VM.
The problem is that in the window that appears, there is not a single pci
device listed (there should be many listed).
I checked first: the IOMMU setting is set in the kernel.
Our environment:
We have two HV running CentOs7.
Each of them have three fiber channel cards. First card is connected to a disk
array, second one to the first tape library and third one to another tape
library.
We used to give the second card to a VM1, and the third card to another VM2.
Both VMs ran on one HV or on the other in the past: everything was fine.
What happened:
Today we add to upgrade one of the HV (HV1). Both VMs ran on this HV1. We
upgraded then restarted the HV1.
Then I edited the second VM2 in order to remove card from HV1. Then I tried to
add the card from HV2 to this VM2: the list of "host devices" is empty.
I started the VM1: it works fine (I didn't change anything on it).
--
Jérôme Chapelle
C entre I nformatique N ational de l' E nseignement S upérieur
950 rue de Saint Priest
34 097 M ONTPELLIER Cedex 5
Tél. 04 67 14 14 14
eMail [email protected]
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