[pve-devel] [PATCH qemu-server] copy conntrack information on migration
Alexandre Derumier
aderumier at odiso.com
Sun Oct 18 17:07:07 CEST 2020
I don't have checked the code, but does
"'/usr/bin/pve-conntrack-tool', 'dump'" only dump vm conntrack, or
all the host conntrack table ?
(Not sure how it could be possible for only vm currently, but if we
implement different conntrack zones for each vm, it could be easy)
Le ven. 16 oct. 2020 à 15:24, Mira Limbeck <m.limbeck at proxmox.com> a écrit :
>
> Requires the pve-conntrack-tool. On migration the conntrack information
> from the source node is dumped and sent to the target node where it is
> then inserted.
> This helps with open connections during migration when the firewall is active.
>
> Signed-off-by: Mira Limbeck <m.limbeck at proxmox.com>
> ---
> PVE/QemuMigrate.pm | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/PVE/QemuMigrate.pm b/PVE/QemuMigrate.pm
> index 11fec4b..a4e24f7 100644
> --- a/PVE/QemuMigrate.pm
> +++ b/PVE/QemuMigrate.pm
> @@ -1065,6 +1065,9 @@ sub phase2 {
> die "unable to parse migration status '$stat->{status}' - aborting\n";
> }
> }
> +
> + $self->log('info', 'copy conntrack information');
> + PVE::Tools::run_command([['/usr/bin/pve-conntrack-tool', 'dump'], [@{$self->{rem_ssh}}, '/usr/bin/pve-conntrack-tool', 'insert']]);
> }
>
> sub phase2_cleanup {
> --
> 2.20.1
>
>
>
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