hi: I attach a phyical disk to my qemu guest os successfully.But guest
can not find the disk. Please give some advise?
Below is my steps(opentest os host os, test1 is guest os)
[root@opentest ~]# virsh attach-disk instance-00000001 /dev/performance_disk1
vdb --cache none --config --type disk
Disk attached successfully
[root@opentest ~]# virsh attach-disk instance-00000001 /dev/performance_disk1
vdb --cache none --config --type disk
error: Failed to attach disk
error: Requested operation is not valid: target vdb already exists
[root@opentest ~]# virsh qemu-monitor-command instance-00000001 --hmp 'info
block'
drive-virtio-disk0: removable=0 io-status=ok
file=/opt/stack/data/nova/instances/828fd857-a957-4c17-b200-71d109585dd5/disk
backing_file=/opt/stack/data/nova/instances/_base/3f82096f9c9d65312ae01acd864fc4d255ea3872
backing_file_depth=1 ro=0 drv=qcow2 encrypted=0 bps=0 bps_rd=0 bps_wr=0 iops=0
iops_rd=0 iops_wr=0
drive-ide0-1-1: removable=1 locked=1 tray-open=0 io-status=ok
file=/opt/stack/data/nova/instances/828fd857-a957-4c17-b200-71d109585dd5/disk.config
ro=1 drv=raw encrypted=0 bps=0 bps_rd=0 bps_wr=0 iops=0 iops_rd=0 iops_wr=0
host os:
[root@opentest ~]# uname -a
Linux opentest 3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
[root@opentest ~]# cat /etc/redhat-release
CentOS Linux release 7.0.1406 (Core)
[root@opentest ~]# /usr/libexec/qemu-kvm -version
QEMU emulator version 1.5.3 (qemu-kvm-1.5.3-105.el7_2.4), Copyright (c)
2003-2008 Fabrice Bellard
[root@opentest ~]# qemu-img --help | grep version
qemu-img version 1.5.3, Copyright (c) 2004-2008 Fabrice Bellard
conversion. If the number of bytes is 0, the source will not be scanned
for
[root@opentest ~]# virsh -V
Virsh command line tool of libvirt 1.2.17
See web site at http://libvirt.org/
Compiled with support for:
Hypervisors: QEMU/KVM LXC ESX Test
Networking: Remote Network Bridging Interface netcf Nwfilter VirtualPort
Storage: Dir Disk Filesystem SCSI Multipath iSCSI LVM RBD Gluster
Miscellaneous: Daemon Nodedev SELinux Secrets Debug DTrace Readline Modular
guest os??
[root@test1 centos]# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
