[PVE-User] qm migrate: strange output

[Uwe Sauter]

Ah, thanks. (Sorry for the late reply, Gmail put you answer into the spam folder.)


Am 20.06.2017 um 19:01 schrieb Michael Rasmussen:
> The former is for HA vm's the latter for non HA vm's
> 
> On June 20, 2017 6:19:36 PM GMT+02:00, Uwe Sauter <uwe.sauter.de <http://uwe.sauter.de>@gmail.com> wrote:
> 
>     Hi all,
> 
>     usually when I update my PVE cluster I do it in a rolling fashion:
>     1) empty one node from running VMs
>     2) update & reboot that node
>     3) go to next node
>     4) migrate all running VMs to already updated node
>     5) go to 2 until no more nodes need update
> 
>     For step 1 (or 4) I usually do:
> 
>     # qm list
>           VMID NAME                 STATUS     MEM(MB)    BOOTDISK(GB) PID
>            106 test1                running    2048              32.00 4993
>            112 test2                running    1024              16.00 5218
> 
>     # for i in 106 112; do qm migrate $i px-bravo-cluster --online; done
> 
>     Usually I get multiple lines like:
> 
>     Executing HA migrate for VM 106 to node px-bravo-cluster
>     Executing HA migrate for VM 112 to node px-bravo-cluster
> 
>     But once in a while (in the last few days more often) I get:
> 
>     Jun 20 18:15:42 starting migration of VM 106 to node 'px-bravo-cluster' (169.254.42.49 <http://169.254.42.49>)
>     Jun 20 18:15:42 copying disk images
>     Jun 20 18:15:42 starting VM 106 on remote node 'px-bravo-cluster'
>     Jun 20 18:15:46 start remote tunnel
>     Jun 20 18:15:46 starting online/live migration on unix:/run/qemu-server/106.migrate
>     Jun 20 18:15:46 migrate_set_speed: 8589934592
>     Jun 20 18:15:46 migrate_set_downtime: 0.1
>     Jun 20 18:15:46 set migration_caps
>     Jun 20 18:15:46 set cachesize: 214748364
>     Jun 20 18:15:46 start migrate command to unix:/run/qemu-server/106.migrate
>     Jun 20 18:15:48 migration status: active (transferred 632787397, remaining 463048704), total 2156732416)
>     Jun 20 18:15:48 migration xbzrle cachesize: 134217728 transferred 0 pages 0 cachemiss 0 overflow 0
>     Jun 20 18:15:50 migration speed: 512.00 MB/s - downtime 81 ms
>     Jun 20 18:15:50 migration status: completed
>     Jun 20 18:15:54 migration finished successfully (duration 00:00:13)
>     Jun 20 18:15:55 starting migration of VM 112 to node 'px-bravo-cluster' (169.254.42.49 <http://169.254.42.49>)
>     Jun 20 18:15:55 copying disk images
>     Jun 20 18:15:55 starting VM 112 on remote node 'px-bravo-cluster'
>     Jun 20 18:15:58 start remote tunnel
>     Jun 20 18:15:58 starting online/live migration on unix:/run/qemu-server/112.migrate
>     Jun 20 18:15:58 migrate_set_speed: 8589934592
>     Jun 20 18:15:58 migrate_set_downtime: 0.1
>     Jun 20 18:15:58 set migration_caps
>     Jun 20 18:15:58 set cachesize: 107374182
>     Jun 20 18:15:58 start migrate command to unix:/run/qemu-server/112.migrate
>     Jun 20 18:16:00 migration status: active (transferred 876920642, remaining 143405056), total 1082990592)
>     Jun 20 18:16:00 migration xbzrle cachesize: 67108864 transferred 0 pages 0 cachemiss 0 overflow 0
>     Jun 20 18:16:02 migration speed: 256.00 MB/s - downtime 66 ms
>     Jun 20 18:16:02 migration status: completed
>     Jun 20 18:16:06 migration finished successfully (duration 00:00:12)
> 
> 
>     Can someone explain under which circumstances this output is displayed instead of just the short message that migration
>     was started?
> 
> 
>     Regards,
> 
>      Uwe
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