On 06/20/2013 11:07 AM, Dennis Chen wrote: > Hi, > > When I want to use NPIV for a FC HBA in my Linux machine, I got the below > error msg in virsh: > > virsh # nodedev-create /home/kvm/vHBA.xml > error: Failed to create node device from /home/kvm/vHBA.xml > error: internal error Parent device scsi_host20 is not capable of vport > operations > > I checked the /sys/class folder for my HBA device that I want to use its NPIV > feature, it's there: > /sys/class/fc_host/host20/vport_create > > I can create a vHBA by using "echo 'xxxx:xxxx' > ./vport_create", a new fc > host will be created after that. > > But I can't find any FC host with: > #virsh nodedev-list --cap fc_host > > SCSI hosts can be found for above "nodedev-list --cap scsi_host". > > The libvirt I am working on is based ver 1.0.5, I checked the code and found > below function is seems related with this issue: > src/util/virutil.c: > int > virIsCapableVport(const char *sysfs_prefix, > int host) > > This function looks up if there is "vport_create" file under > /sys/class/fc_host/host20, as the way to decide if a HBA device is capable of > vport operation. > > But seems this file is not compiled and virsh doesn't call it in my source > code environment... is there any tips ? Hi, there was a bug in the nodedev driver, it used ../fc_host/host0/.. even when the host number was different. It should be fixed by this commit (pushed in the git, but not yet a part of a release): http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=371c155 Hopefully that fixes it for you. Relevant bugs: https://bugzilla.redhat.com/show_bug.cgi?id=952105 https://bugzilla.redhat.com/show_bug.cgi?id=973543 Jan _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
