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new 1bf4dd3 kvm: use IDE as the bus type for root disks and VIRTIO for
data disks on platforms without support for para virtualization when using
managed storage (#3319)
1bf4dd3 is described below
commit 1bf4dd39ca0bad2f3ddf0ca57303bf3a1ef6414f
Author: Sid Kattoju <[email protected]>
AuthorDate: Fri Jul 12 03:05:23 2019 -0400
kvm: use IDE as the bus type for root disks and VIRTIO for data disks on
platforms without support for para virtualization when using managed storage
(#3319)
This change addresses #3089. There was an issue when disks were being added
with bus type IDE when creating windows VMs from ISOs. It is not possible to
select bus type when creating a VM with an ISO. The bus type is inferred based
on the platform emulator string provided to the KVM agent. Currently when
creating a VM with managed storage (ex: Solidfire) and OS type string Windows*,
all disks are added as IDE. Qemu currently does not support multiple IDE
controllers and this configura [...]
Fixes #3089
---
.../kvm/resource/LibvirtComputingResource.java | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git
a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
index 9319ee5..b20f1a5 100644
---
a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
+++
b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
@@ -2336,7 +2336,6 @@ public class LibvirtComputingResource extends
ServerResourceBase implements Serv
// if params contains a rootDiskController key, use its value
(this is what other HVs are doing)
DiskDef.DiskBus diskBusType = getDiskModelFromVMDetail(vmSpec);
-
if (diskBusType == null) {
diskBusType = getGuestDiskModel(vmSpec.getPlatformEmulator());
}
@@ -2375,7 +2374,12 @@ public class LibvirtComputingResource extends
ServerResourceBase implements Serv
disk.defNetworkBasedDisk(glusterVolume +
path.replace(mountpoint, ""), pool.getSourceHost(), pool.getSourcePort(), null,
null, devId, diskBusType, DiskProtocol.GLUSTER,
DiskDef.DiskFmtType.QCOW2);
} else if (pool.getType() == StoragePoolType.CLVM ||
physicalDisk.getFormat() == PhysicalDiskFormat.RAW) {
- disk.defBlockBasedDisk(physicalDisk.getPath(), devId,
diskBusType);
+ if (volume.getType() == Volume.Type.DATADISK) {
+ disk.defBlockBasedDisk(physicalDisk.getPath(), devId,
diskBusTypeData);
+ }
+ else {
+ disk.defBlockBasedDisk(physicalDisk.getPath(), devId,
diskBusType);
+ }
} else {
if (volume.getType() == Volume.Type.DATADISK) {
disk.defFileBasedDisk(physicalDisk.getPath(), devId,
diskBusTypeData, DiskDef.DiskFmtType.QCOW2);
@@ -3197,12 +3201,14 @@ public class LibvirtComputingResource extends
ServerResourceBase implements Serv
return DiskDef.DiskBus.IDE;
} else if (platformEmulator.startsWith("Other PV Virtio-SCSI")) {
return DiskDef.DiskBus.SCSI;
- } else if (platformEmulator.startsWith("Ubuntu") ||
platformEmulator.startsWith("Fedora 13") || platformEmulator.startsWith("Fedora
12") || platformEmulator.startsWith("Fedora 11") ||
- platformEmulator.startsWith("Fedora 10") ||
platformEmulator.startsWith("Fedora 9") || platformEmulator.startsWith("CentOS
5.3") || platformEmulator.startsWith("CentOS 5.4") ||
- platformEmulator.startsWith("CentOS 5.5") ||
platformEmulator.startsWith("CentOS") || platformEmulator.startsWith("Fedora")
||
- platformEmulator.startsWith("Red Hat Enterprise Linux 5.3") ||
platformEmulator.startsWith("Red Hat Enterprise Linux 5.4") ||
- platformEmulator.startsWith("Red Hat Enterprise Linux 5.5") ||
platformEmulator.startsWith("Red Hat Enterprise Linux 6") ||
platformEmulator.startsWith("Debian GNU/Linux") ||
- platformEmulator.startsWith("FreeBSD 10") ||
platformEmulator.startsWith("Oracle") || platformEmulator.startsWith("Other
PV")) {
+ } else if (platformEmulator.contains("Ubuntu") ||
+ platformEmulator.startsWith("Fedora") ||
+ platformEmulator.startsWith("CentOS") ||
+ platformEmulator.startsWith("Red Hat Enterprise Linux") ||
+ platformEmulator.startsWith("Debian GNU/Linux") ||
+ platformEmulator.startsWith("FreeBSD") ||
+ platformEmulator.startsWith("Oracle") ||
+ platformEmulator.startsWith("Other PV")) {
return DiskDef.DiskBus.VIRTIO;
} else {
return DiskDef.DiskBus.IDE;
