Hi, is qemu-img working for you ont he VM Host machine? Did you create the vol? What does 'rbd ls' say? Did you feed the secret (and the key created with ceph auth) to virsh? Cheers, Tom p.s.: you maybe need anyother package for qemu-rbd support - I did so on latest Debain (stretch) -----Original Message----- From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Z Will Sent: Friday, August 25, 2017 8:49 AM To: Ceph-User <ceph-users@xxxxxxxx> Subject: libvirt + rbd questions Hi all: I have tried to install a vm using rbd as disk, following the steps from ceph doc, but met some problems. the packages environment is following: CentOS Linux release 7.2.1511 (Core) libvirt-2.0.0-10.el7_3.9.x86_64 libvirt-python-2.0.0-2.el7.x86_64 virt-manager-common-1.4.0-2.el7.noarch qemu-2.0.0-1.el7.6.x86_64 and the procedure is : create a pool <pool type='rbd'> <name>rbd2</name> <capacity unit='bytes'>48283717632</capacity> <allocation unit='bytes'>133</allocation> <available unit='bytes'>46990565376</available> <source> <host name='10.202.127.11' port='6789'/> <name>rbd</name> <auth type='ceph' username='admin'> <secret uuid='f75248a0-ac7e-4c0e-a90a-2d8d00833132'/> </auth> </source> </pool> create a vol t2 run the following cmd virt-install -n puppy2 --vcpu 1 -c /etc/ceph/tahr64-6.0.5.iso --disk vol=rbd2/t2 --memory 1024 --vnc --vnclisten=0.0.0.0 -v it failed , the error is : WARNING No operating system detected, VM performance may suffer. Specify an OS with --os-variant for optimal results. WARNING Unable to connect to graphical console: virt-viewer not installed. Please install the 'virt-viewer' package. WARNING No console to launch for the guest, defaulting to --wait -1 Starting install... ERROR internal error: qemu unexpectedly closed the monitor: (process:663223): GLib-WARNING **: gmem.c:482: custom memory allocation vtable not supported 2017-08-25T06:33:59.392000Z qemu-system-x86_64: -drive file=rbd:rbd/t2:auth_supported=none:mon_host=10.202.127.11\:6789,format=raw, if=none,id=drive-ide0-0-0: could not open disk image rbd:rbd/t2:auth_supported=none:mon_host=10.202.127.11\:6789: Unknown protocol Domain installation does not appear to have been successful. If it was, you can restart your domain by running: virsh --connect qemu:///system start puppy2 otherwise, please restart your installation. google it , change the /usr/share/virt-manager/virtinst/guest.py file , like this def _build_xml(self): install_xml = self._get_install_xml(install=True) final_xml = self._get_install_xml(install=False) auth_secret = ''' <auth username='admin'> <secret type='ceph' uuid='f75248a0-ac7e-4c0e-a90a-2d8d00833132'/> </auth> ''' import re rgx_auth = re.compile('(?<=<disk type="network" )([^>]*?">).*?(?= *?)', re.S) install_xml = rgx_auth.sub('\\1' + auth_secret, install_xml) final_xml = rgx_auth.sub('\\1' + auth_secret, final_xml) logging.debug("Generated install XML: %s", (install_xml and ("\n" + install_xml) or "None required")) logging.debug("Generated boot XML: \n%s", final_xml) return install_xml, final_xml and run virt-install -n puppy2 --vcpu 1 -c /etc/ceph/tahr64-6.0.5.iso --disk vol=rbd2/t2 --memory 1024 --vnc --vnclisten=0.0.0.0 -v --print-xml <disk type="network" device="disk"> <auth username='admin'> <secret type='ceph' uuid='f75248a0-ac7e-4c0e-a90a-2d8d00833132'/> </auth> <driver name="qemu" type="raw"/> <source protocol="rbd" name="rbd/t2"> <host name="10.202.127.11" port="6789"/> </source> <target dev="hda" bus="ide"/> </disk> looks ok and run again virt-install -n puppy2 --vcpu 1 -c /etc/ceph/tahr64-6.0.5.iso --disk vol=rbd2/t2 --memory 1024 --vnc --vnclisten=0.0.0.0 -v still error WARNING No operating system detected, VM performance may suffer. Specify an OS with --os-variant for optimal results. WARNING Unable to connect to graphical console: virt-viewer not installed. Please install the 'virt-viewer' package. WARNING No console to launch for the guest, defaulting to --wait -1 Starting install... ERROR internal error: qemu unexpectedly closed the monitor: (process:663621): GLib-WARNING **: gmem.c:482: custom memory allocation vtable not supported 2017-08-25T06:42:09.429057Z qemu-system-x86_64: -drive file=rbd:rbd/puppy2:id=admin:key=AQCeuf5YUac6NxAAU3CCcwnaI5z7pgUww4Gyrg==:au th_supported=cephx\;none:mon_host=10.202.127.11\:6789,format=raw,if=none,id= drive-ide0-0-0: could not open disk image rbd:rbd/puppy2:id=admin:key=AQCeuf5YUac6NxAAU3CCcwnaI5z7pgUww4Gyrg==:auth_su pported=cephx\;none:mon_host=10.202.127.11\:6789: Unknown protocol Domain installation does not appear to have been successful. If it was, you can restart your domain by running: virsh --connect qemu:///system start puppy otherwise, please restart your installation. I tried to just create rbd as disk and attach it to the existed VM, it is OK , so I don't think it is the packages version problem. Has anyone met this problem ? Or where am I wrong in the above procedure ? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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