Re: [Xen-API] How to disallow snapshot vdi when taking a snapshot to vm

[çç <blackstn10@xxxxxxxxx>]

ï

Hi John,

Many thanks for your help.

 

Why don't we allow to set allowed-operations to RW mode in vdi so that I can define the operation myself in creating vdi? 

[root@xcp1 ~]# xe vdi-param-list

allowed-operations (SRO): clone; snapshot

 

Thanks

---

Ray

 

From: John Else

Date: 2013-12-14 00:15

To: çç

CC: xen-api

Subject: RE: RE: [Xen-API] How to disallow snapshot vdi when taking a snapshot to vm

> Hi John,

> If so, How to revert it?

 

Hi Ray,

 

There's no automated way of reverting a single disk - you'll have to go through these steps:

 

- Shut down the VM

- clone the snapshot you want to revert to (xe vdi-clone)

- note the userdevice of the VBD connecting the VM to its disk, then destroy the VBD

- create a VBD (with the same device number as the VBD you just destroyed) connecting the VM to the cloned snapshot

- (optionally) delete the disk you just disconnected from the VM

 

John

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