From b3983fa1dcce451f6cbc2441582231641a93465d Mon Sep 17 00:00:00 2001 From: Dominik Csapak Date: Tue, 19 Mar 2019 09:17:29 +0100 Subject: [PATCH] add correct comment about savevm-start Signed-off-by: Dominik Csapak --- PVE/QemuConfig.pm | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/PVE/QemuConfig.pm b/PVE/QemuConfig.pm index b2d4e45..8fae4fc 100644 --- a/PVE/QemuConfig.pm +++ b/PVE/QemuConfig.pm @@ -138,6 +138,10 @@ sub __snapshot_save_vmstate { } my $driver_state_size = 500; # assume 500MB is enough to safe all driver state; + # our savevm-start does live-save of the memory until the space left in the + # volume is just enough for the remaining memory content + internal state + # then it stops the vm and copies the rest so we reserve twice the + # memory content + state to minimize vm downtime my $size = $conf->{memory}*2 + $driver_state_size; my $scfg = PVE::Storage::storage_config($storecfg, $target); -- 2.39.2