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 ?
BRs,
Dennis
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