Re: block-dirty-bitmap-add fails with "Operation not supported" in 4.2 rc5 (worked in 4.1)

[John Snow]

On 12/12/19 6:12 PM, Nir Soffer wrote:

> 
> Thank you for the detailed answer!
> 
> I'm sure blockdev is the greatest thing since sliced bread but it
> looks like overkill
> for our use case. I'm happy to use the node name generated by qemu.
> 

Sometimes all you want is some toast, I agree.

> What I need is a simple way to start and stop backups and create
> bitmaps so I can
> test the code getting and merging base:allocation and qemu:dirty-bitmap 
> extents.
> 
> We already support base:allocation and use it to access backup data:
> https://github.com/oVirt/ovirt-imageio/blob/dbadeac5ca6db604af014a234a894503a3482a76/common/test/nbd_test.py#L513
> 
> I changed test rig to use node name instead of the device name:
> https://gerrit.ovirt.org/c/105597
> 

Great! I should update the documentation for transactions in our
documentation to make note of caveats like this.

--js

> Nir
>