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api: Added information about deviceid 0 to attach root volume to VM (#6518)

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This is in the workflow of attaching and detaching a root volume of a VM. We can detach the root volume from a VM and Cloudstack marks it as datadisk. We can reattach the volume to make it root volume again. During attach Device ID 0 has to be passed so that the volume will be converted back to ROOT again

Added a small information in the DeviceID section in Attach volume form.
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Harikrishna 2022-06-30 17:36:42 +05:30 committed by GitHub
parent aad73322af
commit 2326164c17
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api/src/main/java/org/apache/cloudstack/api/command/user/volume/AttachVolumeCmd.java
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@ -49,7 +49,7 @@ public class AttachVolumeCmd extends BaseAsyncCmd implements UserCmd {
/////////////////////////////////////////////////////
@Parameter(name = ApiConstants.DEVICE_ID, type = CommandType.LONG, description = "The ID of the device to map the volume to the guest OS. "
+ "If no deviceID is informed, the next available deviceID will be chosen. When using a linux operating system and the hypervisor XenServer, the devices IDs will be mapped as follows:"
+ "If no deviceID is informed, the next available deviceID will be chosen. Use 0 when volume needs to be attached as ROOT.<br>When using a linux operating system and the hypervisor XenServer, the devices IDs will be mapped as follows:"
+ "<ul><li>0 maps to /dev/xvda;</li><li>1 maps to /dev/xvdb;</li><li>2 maps /dev/xvdc and so on.</li></ul>"
+ "Please refer to the docs of your hypervisor for the correct mapping of the deviceID and the actual logical disk structure.")
private Long deviceId;