Forwarding to libvirt-users for visibility. On Wed, Oct 20, 2021 at 03:51:10PM +0800, Jaze Lee wrote: > For someone who meets the same problem. > > I upgrade stein to w, use one centos stream 8 vm as ctrl, and one > centos stream 8 server as cn, > then test it. There is no problem with attaching disks. All disks are > attached correctly. > But we do not know what's the problem with stein. If someone meets the > problem, you can update your openstack. > > Jaze Lee <jazeltq@xxxxxxxxx> 于2021年10月12日周二 上午9:20写道： > > Andrea Bolognani <abologna@xxxxxxxxxx> 于2021年10月12日周二 上午12:07写道： > > > On Fri, Oct 08, 2021 at 04:54:37PM +0800, Jaze Lee wrote: > > > > Hello, > > > > We run Openstack Stein on arm. It runs nova-compute(use libvirt > > > > as virt driver) on arm host. We found when built with disks (use ceph > > > > rbd) on arm hosts, the vm can not attach all disk correctly. For > > > > example, built with six disks, the vm may attach three disks. No > > > > obvious error can be fond in nova-compute, libvirt. We compare aarch64 > > > > and x86, find when detach disk, the dmesg of the vm's os is different. > > > > May be the pciehg parameter is different? > > > > > > > > Did anyone met the problem? Or some suggestions? > > > > > > I think you might have just ran out of PCI ports available for > > > hotplug. Please try setting > > > > > > https://docs.openstack.org/nova/stein/configuration/config.html#libvirt.num_pcie_ports > > > > > > to a reasonable value and see whether that helps. > > > > Thanks. > > I already set the value to a reasonable value. It is 15 in our environment. > > If the value is not set correctly, the nova-compute will complain no > > available slot for pci device. > > But it is not the case I talked about here. -- Andrea Bolognani / Red Hat / Virtualization
