[PVE-User] Slow live migration in Proxmox 5

[Woods, Ken A (DNR)]

Just to be clear, if the migration took ~5 minutes under v4, now they’re taking ~15 minutes?  


> On Oct 9, 2018, at 00:10, Sten Aus <sten.aus at eenet.ee> wrote:
> 
> Hi
> 
> Has anyone seen migration speed drop when upgrading from Proxmox 4 to Proxmox 5?
> 
> I have seen at least one poor network performance issue in Proxmox Forums (https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_pve-2D5-2D2-2Dnetlink-2Dovs-2Dvswitchd-2Dattribute-2Dtype-2D5-2Dhas-2Dan-2Dinvalid-2Dlength.44039_-23post-2D224515&d=DwIGaQ&c=teXCf5DW4bHgLDM-H5_GmQ&r=THf3d3FQjCY5FQHo3goSprNAh9vsOWPUM7J0jwvvVwM&m=_OmRthCFKEgaCZ7o1JJB1aPyRAGN6sWZLhdiSksIhAo&s=Q-RwTCu10LxUglOZwvVP72npd2y6a3o8yT-6S19uCzI&e=).
> 
> 
> I have one small cluster (2 nodes) with 1x10Gbit network each and I get migration speeds 30-40MB/s. In Proxmox 4 I got 100+MB/s, which is more sensible for 10Gbps. I am using openvswitch. Cluster has it's own network for multicast and migration.
> 
> I have replaced "migartion_unsecure: 1" with "migration: type=insecure" in datacenter.cfg, but this seems to have no effect. There's always lines in migration log: "ssh tunnel ver 1".
> 
> Only if I add both of them to datacenter.cfg I will get log saying:
> "deprecated setting 'migration_unsecure' and new 'migration: type' set at same time! Ignore 'migration_unsecure'"
> 
> 
> But if I remove both lines (old deprecated one and new one) I will get bigger speeds:
> 2018-10-09 11:07:24 migration speed: 136.53 MB/s - downtime 49 ms
> Which is weird.
> 
> 
> Not sure if I can update bigger cluster to Proxmox 5 now.
> 
> Has anyone else seen this?
> 
> 
> All the best
> Sten
> 
> 
> ---
> 
> # pveversion -v
> proxmox-ve: 5.2-2 (running kernel: 4.15.18-5-pve)
> pve-manager: 5.2-9 (running version: 5.2-9/4b30e8f9)
> pve-kernel-4.15: 5.2-8
> pve-kernel-4.15.18-5-pve: 4.15.18-24
> pve-kernel-4.4.134-1-pve: 4.4.134-112
> pve-kernel-4.4.67-1-pve: 4.4.67-92
> pve-kernel-4.4.62-1-pve: 4.4.62-88
> pve-kernel-4.4.49-1-pve: 4.4.49-86
> pve-kernel-4.4.19-1-pve: 4.4.19-66
> pve-kernel-4.4.8-1-pve: 4.4.8-52
> pve-kernel-2.6.32-47-pve: 2.6.32-179
> pve-kernel-2.6.32-46-pve: 2.6.32-177
> pve-kernel-2.6.32-42-pve: 2.6.32-165
> ceph: 11.2.1-1~bpo90+1
> corosync: 2.4.2-pve5
> criu: 2.11.1-1~bpo90
> glusterfs-client: 3.8.8-1
> ksm-control-daemon: 1.2-2
> libjs-extjs: 6.0.1-2
> libpve-access-control: 5.0-8
> libpve-apiclient-perl: 2.0-5
> libpve-common-perl: 5.0-40
> libpve-guest-common-perl: 2.0-18
> libpve-http-server-perl: 2.0-11
> libpve-storage-perl: 5.0-29
> libqb0: 1.0.1-1
> lvm2: 2.02.168-pve6
> lxc-pve: 3.0.2+pve1-2
> lxcfs: 3.0.2-2
> novnc-pve: 1.0.0-2
> openvswitch-switch: 2.7.0-3
> proxmox-widget-toolkit: 1.0-20
> pve-cluster: 5.0-30
> pve-container: 2.0-27
> pve-docs: 5.2-8
> pve-firewall: 3.0-14
> pve-firmware: 2.0-5
> pve-ha-manager: 2.0-5
> pve-i18n: 1.0-6
> pve-libspice-server1: 0.12.8-3
> pve-qemu-kvm: 2.11.2-1
> pve-xtermjs: 1.0-5
> qemu-server: 5.0-36
> smartmontools: 6.5+svn4324-1
> spiceterm: 3.0-5
> vncterm: 1.5-3
> 
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