From: Fabian Ebner <f.ebner@proxmox.com>
To: "Fabian Grünbichler" <f.gruenbichler@proxmox.com>,
pve-devel@lists.proxmox.com
Subject: Re: [pve-devel] [PATCH qemu-server 09/10] migrate: add remote migration handling
Date: Thu, 11 Nov 2021 13:57:24 +0100 [thread overview]
Message-ID: <4c389a91-751d-2585-869e-2be1b42375e1@proxmox.com> (raw)
In-Reply-To: <1636629713.r0pg1k3q56.astroid@nora.none>
Am 11.11.21 um 13:25 schrieb Fabian Grünbichler:
> On November 10, 2021 12:17 pm, Fabian Ebner wrote:
>> Am 05.11.21 um 14:03 schrieb Fabian Grünbichler:
>>>
>>> # set environment variable useful inside network script
>>> - $ENV{PVE_MIGRATED_FROM} = $migratedfrom if $migratedfrom;
>>> + if ($migrate_opts->{remote_node}) {
>>> + $ENV{PVE_MIGRATED_FROM} = $migrate_opts->{remote_node};
>>> + } elsif ($migratedfrom) {
>>> + $ENV{PVE_MIGRATED_FROM} = $migratedfrom;
>>> + }
>>
>> But the network script tries to load the config from that node and if
>> it's not in the cluster that doesn't work?
>>
>
> this is a bit confusing, yeah.
>
> $migratedfrom contains the source node, which is unusable on the remote
> cluster
> remote_node contains the target node, which actually has the full config
> when we start the VM there over the tunnel (in contrast to a local
> migration, where the target node doesn't yet have the config!)
>
> so this should be correct? but even easier would be to just not set it
> (for remote migrations), since the start MUST happen on the node where
> mtunnel is running/the config is located.
Yes, sorry, I think I might've misread the code yesterday ;)
>
>>>
>>> PVE::GuestHelpers::exec_hookscript($conf, $vmid, 'pre-start', 1);
>>>
>>> @@ -5621,7 +5625,7 @@ sub vm_start_nolock {
>>>
>>> my $migrate_storage_uri;
>>> # nbd_protocol_version > 0 for unix socket support
>>> - if ($nbd_protocol_version > 0 && $migration_type eq 'secure') {
>>> + if ($nbd_protocol_version > 0 && ($migration_type eq 'secure' || $migration_type eq 'websocket')) {
>>> my $socket_path = "/run/qemu-server/$vmid\_nbd.migrate";
>>> mon_cmd($vmid, "nbd-server-start", addr => { type => 'unix', data => { path => $socket_path } } );
>>> $migrate_storage_uri = "nbd:unix:$socket_path";
>>>
>>
next prev parent reply other threads:[~2021-11-11 12:57 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-05 13:03 [pve-devel] [PATCH-series qemu-server++ 0/22] remote migration Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH proxmox 1/1] websocket: adapt for client connection Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH proxmox-websocket-tunnel 1/4] initial commit Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH proxmox-websocket-tunnel 2/4] add tunnel implementation Fabian Grünbichler
2021-11-09 12:54 ` Dominik Csapak
2021-11-11 9:58 ` Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH proxmox-websocket-tunnel 3/4] add fingerprint validation Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH proxmox-websocket-tunnel 4/4] add packaging Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH access-control 1/2] tickets: add tunnel ticket Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH access-control 2/2] ticket: normalize path for verification Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH common 1/3] schema: rename storagepair to storage-pair Fabian Grünbichler
2021-11-11 13:18 ` [pve-devel] applied: " Thomas Lamprecht
2021-11-05 13:03 ` [pve-devel] [PATCH common 2/3] schema: add pve-bridge-id option/format/pair Fabian Grünbichler
2021-11-11 13:18 ` [pve-devel] applied: " Thomas Lamprecht
2021-11-05 13:03 ` [pve-devel] [PATCH common 3/3] schema: add proxmox-remote format/option Fabian Grünbichler
2021-11-11 13:18 ` [pve-devel] applied: " Thomas Lamprecht
2021-11-05 13:03 ` [pve-devel] [PATCH guest-common 1/1] migrate: handle migration_network with remote migration Fabian Grünbichler
2021-11-08 13:50 ` Fabian Ebner
2021-11-10 12:03 ` Fabian Ebner
2021-11-05 13:03 ` [pve-devel] [PATCH http-server 1/1] webproxy: handle unflushed write buffer Fabian Grünbichler
2021-11-08 14:15 ` Fabian Ebner
2021-11-08 15:45 ` Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 01/10] d/control: add pve-ha-manager to B-D Fabian Grünbichler
2021-11-11 13:18 ` [pve-devel] applied: " Thomas Lamprecht
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 02/10] adapt to renamed storage-pair format Fabian Grünbichler
2021-11-11 13:18 ` [pve-devel] applied: " Thomas Lamprecht
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 03/10] migrate: factor out storage checks Fabian Grünbichler
2021-11-11 13:18 ` [pve-devel] applied: " Thomas Lamprecht
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 04/10] refactor map_storage to map_id Fabian Grünbichler
2021-11-09 9:06 ` Fabian Ebner
2021-11-09 12:44 ` Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 05/10] schema: use pve-bridge-id Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 06/10] update_vm: allow simultaneous setting of boot-order and dev Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 07/10] mtunnel: add API endpoints Fabian Grünbichler
2021-11-09 12:46 ` Fabian Ebner
2021-11-10 7:40 ` Fabian Ebner
2021-11-11 11:07 ` Fabian Grünbichler
2021-11-11 11:04 ` Fabian Grünbichler
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 08/10] migrate: refactor remote VM/tunnel start Fabian Grünbichler
2021-11-09 14:04 ` Fabian Ebner
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 09/10] migrate: add remote migration handling Fabian Grünbichler
2021-11-10 11:17 ` Fabian Ebner
2021-11-11 12:25 ` Fabian Grünbichler
2021-11-11 12:57 ` Fabian Ebner [this message]
2021-11-05 13:03 ` [pve-devel] [PATCH qemu-server 10/10] api: add remote migrate endpoint Fabian Grünbichler
2021-11-10 12:29 ` Fabian Ebner
2021-11-11 12:33 ` Fabian Grünbichler
2021-11-09 16:07 ` [pve-devel] [PATCH-series qemu-server++ 0/22] remote migration DERUMIER, Alexandre
2021-11-10 12:42 ` Fabian Ebner
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