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From: | John Snow |
Subject: | Re: block-dirty-bitmap-add fails with "Operation not supported" in 4.2 rc5 (worked in 4.1) |
Date: | Thu, 12 Dec 2019 18:29:33 -0500 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 |
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 >
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