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Subject: [pve-devel] Volume live migration concurrency
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Subject: Volume live migration concurrency
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Hi Proxmox Community,

I'm curious whether there are any standard or guidelines that govern the=
=20
order in which the methods: /activate_volume, deactivate_volume, path/=20
are called during VM live migration.

Assuming the storage plugin supports `live migration`:

1. Can/path/ be called before /activate_volume?/

2. When /vm /migrates from/node1/ to/node2, /might /activate_volume/=20
on/node2/ be invoked before /deactivate_volume/ has completed on /node1?
/

3. In the context of live migration: Will Proxmox skip calling=20
/deactivate_volume/ for snapshots that have already been activated?=20
Should the storage plugin explicitly deactivate all snapshots of a=20
volume during migration?


Best regards,

Andrei Perepiolkin

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