Hi, this is controlled by the OS Type. The OS Type you are using may not enable virtio disks. You can try the "Other PV" OS Type to get virtio disks. This is what a VM with that OS Type looks like in my 4.3 setup:
[root@kvm-fedora ~]# lspci 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] 00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] 00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01) 00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03) 00:02.0 VGA compatible controller: Cirrus Logic GD 5446 00:03.0 Ethernet controller: Red Hat, Inc Virtio network device 00:04.0 SCSI storage controller: Red Hat, Inc Virtio block device 00:05.0 RAM memory: Red Hat, Inc Virtio memory balloon [root@kvm-fedora ~]# df -hT Filesystem Type Size Used Avail Use% Mounted on /dev/vda2 ext4 18G 820M 17G 5% / devtmpfs devtmpfs 236M 0 236M 0% /dev tmpfs tmpfs 246M 0 246M 0% /dev/shm tmpfs tmpfs 246M 244K 246M 1% /run tmpfs tmpfs 246M 0 246M 0% /sys/fs/cgroup tmpfs tmpfs 246M 4.0K 246M 1% /tmp /dev/vda1 ext4 477M 71M 377M 16% /boot Best regards, Kirk On 07/11/2014 10:57 AM, Yiping Zhang wrote: > Hi, All: > > My CloudStack environment is 4.3.0 running on rhel 6.5 and kvm hypervisor > also running rhel 6.5. > > When I create my first VM from an imported rhel 6.5 ISO image, the root > volume is identified as /dev/sda. Is there a way to force the root volume to > be identified as /dev/vda device ? How do you create guest VM with /dev/vda > root volume? > > Thanks > > Yiping >
