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rollback: vmgenid: comment why we regenerate vmgenid

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2018-09-19 13:34:48 +02:00
parent f7ed64e7b9
commit 4f4d9772a5
1 changed files with 3 additions and 0 deletions
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3
PVE/QemuConfig.pm
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@ -302,6 +302,9 @@ sub __snapshot_rollback_hook {
} }
if ($conf->{vmgenid}) { if ($conf->{vmgenid}) {
# tell the VM that it's another generation, so it can react
# appropriately, e.g. dirty-mark copies of distributed databases or
# re-initializing its random number generator
$conf->{vmgenid} = PVE::QemuServer::generate_uuid(); $conf->{vmgenid} = PVE::QemuServer::generate_uuid();
} }
} }