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Subject: Re: [pve-devel] qemu live migration: bigger downtime recently
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> 
> pve-qemu-kvm (5.1.0-6) pve; urgency=medium
> 
>   * migration/block-dirty-bitmap: avoid telling QEMU that the bitmap
> migration
>     is active longer than required
> 
>  -- Proxmox Support Team <support@proxmox.com>  Thu, 05 Nov 2020
> 18:59:40 +0100
> 
> sound like that could be the case? ;)


yes, I was not sure about this.
So,I was just out of luck when I have upgraded ^_^


I have tried to change dirty-bitmaps=0 in set_migration_caps, but it
don't fix it.

So, I think I'm good to plan some migrations with downtime.

Thanks for your response !

Alexandre