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Re: [Xen-API] Fail to migrate vm with snapshot twice

To: blackstn10 <blackstn10@xxxxxxxxx>, xen-api <xen-api@xxxxxxxxxxxxxxxxxxx>

From: Bob Ball <bob.ball@xxxxxxxxxx>

Date: Fri, 31 May 2013 10:53:49 +0000

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List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>

Thread-index: AQHOXabNuHWIoEBzo0WV1Wvmvobc5pkfHK+w

Thread-topic: [Xen-API] Fail to migrate vm with snapshot twice

Hi,

This is a bug that we’re aiming to fix for the next version of XenServer.

You can use the API to work around this by populating the VDI map directly – an example is attached (note, you cannot work around this by specifying the VDI map on the command line).

Thanks,

Bob

From: xen-api-bounces@xxxxxxxxxxxxx [mailto:xen-api-bounces@xxxxxxxxxxxxx] On Behalf Of ??
Sent: 31 May 2013 03:25
To: xen-api
Subject: [Xen-API] Fail to migrate vm with snapshot twice

Hello Experts,

When I migrate a vm with snapshot from HostA to HostB, it is successful. But, When I want to migrate it back, it failed and prompted

"No SR specified in VDI map for VDI 28d47598-e3b0-403a-a99d-147a1fceab0d ".

Yes, with vm-list params=parent, I can see the parent points to its snapshot, it will be ok once I delete the parent (its snapshot). But why can the live migration be successful at first time?

Is it by design or a bug? Do you have any workaround except deleting snapshot?

I will appreciate your help.

Thanks

石磊

Attachment: vm_migrate.py
Description: vm_migrate.py

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