Proxmox/qemu-server
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unplug scsi controller if no more disk exist

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we need to remove scsi controller, because live migration will crash,

as on migration target node, we'll start the vm without controller if no disk exist

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2015-03-18 11:08:04 +01:00 committed by Dietmar Maurer
parent 8bb5e28d50
commit 8ce30ddea0
1 changed files with 29 additions and 2 deletions
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31
PVE/QemuServer.pm
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@ -3353,15 +3353,17 @@ sub vm_deviceunplug {
qemu_devicedelverify($vmid, $deviceid);
qemu_drivedel($vmid, $deviceid);
} elsif ($deviceid =~ m/^(lsi)(\d+)$/) {
} elsif ($deviceid =~ m/^(scsihw)(\d+)$/) {
qemu_devicedel($vmid, $deviceid);
qemu_devicedelverify($vmid, $deviceid);
} elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
qemu_devicedel($vmid, $deviceid);
qemu_drivedel($vmid, $deviceid);
qemu_deletescsihw($conf, $vmid, $deviceid);
} elsif ($deviceid =~ m/^(net)(\d+)$/) {
qemu_devicedel($vmid, $deviceid);
@ -3476,6 +3478,31 @@ sub qemu_findorcreatescsihw {
return 1;
}
sub qemu_deletescsihw {
my ($conf, $vmid, $opt) = @_;
my $device = parse_drive($opt, $conf->{$opt});
my $maxdev = ($conf->{scsihw} && ($conf->{scsihw} !~ m/^lsi/)) ? 256 : 7;
my $controller = int($device->{index} / $maxdev);
my $devices_list = vm_devices_list($vmid);
foreach my $opt (keys %{$devices_list}) {
if (PVE::QemuServer::valid_drivename($opt)) {
my $drive = PVE::QemuServer::parse_drive($opt, $conf->{$opt});
if($drive->{interface} eq 'scsi' && $drive->{index} < (($maxdev-1)*($controller+1))) {
return 1;
}
}
}
my $scsihwid="scsihw$controller";
vm_deviceunplug($vmid, $conf, $scsihwid);
return 1;
}
sub qemu_add_pci_bridge {
my ($storecfg, $conf, $vmid, $device) = @_;