Hi folks,
The vm has keeping migrating status in my openstack environment,
when I use "nova live-migration --block-migrate vm_name dest_compute_node" this
instruction.
Then I am checked the instance log at
dest_compute_node(/var/log/libvirt/qemu/instance-00000331.log),
meet with ".....Completed 99 %^MDisabling I/O throttling on
'drive-virtio-disk0' due to synchronous I/O" the information.
Actually, I'm set the I/O rate limit of disk which adjust extra_specs property
of openstack flavor.
Indeed, it's using libvirt/qemu to set xml file of instance attain rate
limiting. I guess:)
and belowed[1][2] is some fragments of my env.
So, Can someone please explain this situation for me, and, your help is a
highly appreciated.
Thanks.
Joe
--[1]: source compute node
# virsh list
112 instance-00000331 paused
--[2]: destination compute node
# virsh list
170 instance-00000331 paused
--[3]: destination compute node
# vim /var/log/libvirt/qemu/instance-00000331.log
....
char device redirected to /dev/pts/22 (label charserial1)
Receiving block device images
Completed 0 %^MCompleted 1 %^MCompleted 2 %^MCompleted 3 %^MCompleted 4
%^MCompleted 5 %^MCompleted 6 %^MCompleted 7 %^MCompleted 8 %^MCompleted 9
%^MCompleted 10 %^MCompleted 11 %^MCompleted 12 %^MCompleted 13 %^MCompleted 14
%^MCompleted 15 %^MCompleted 16 %^MCompleted 17 %^MCompleted 18 %^MCompleted 19
%^MCompleted 20 %^MCompleted 21 %^MCompleted 22 %^MCompleted 23 %^MCompleted 24
%^MCompleted 25 %^MCompleted 26 %^MCompleted 27 %^MCompleted 28 %^MCompleted 29
%^MCompleted 30 %^MCompleted 31 %^MCompleted 32 %^MCompleted 33 %^MCompleted 34
%^MCompleted 35 %^MCompleted 36 %^MCompleted 37 %^MCompleted 38 %^MCompleted 39
%^MCompleted 40 %^MCompleted 41 %^MCompleted 42 %^MCompleted 43 %^MCompleted 44
%^MCompleted 45 %^MCompleted 46 %^MCompleted 47 %^MCompleted 48 %^MCompleted 49
%^MCompleted 50 %^MCompleted 51 %^MCompleted 52 %^MCompleted 53 %^MCompleted 54
%^MCompleted 55 %^MCompleted 56 %^MCompleted 57 %^MCompleted 58 %^MCompleted 59
%^MCompleted 60 %^MCompleted 61 %^MCompleted 62 %^MCompleted 63 %^MCompleted 64
%^MCompleted 65 %^MCompleted 66 %^MCompleted 67 %^MCompleted 68 %^MCompleted 69
%^MCompleted 70 %^MCompleted 71 %^MCompleted 72 %^MCompleted 73 %^MCompleted 74
%^MCompleted 75 %^MCompleted 76 %^MCompleted 77 %^MCompleted 78 %^MCompleted 79
%^MCompleted 80 %^MCompleted 81 %^MCompleted 82 %^MCompleted 83 %^MCompleted 84
%^MCompleted 85 %^MCompleted 86 %^MCompleted 87 %^MCompleted 88 %^MCompleted 89
%^MCompleted 90 %^MCompleted 91 %^MCompleted 92 %^MCompleted 93 %^MCompleted 94
%^MCompleted 95 %^MCompleted 96 %^MCompleted 97 %^MCompleted 98 %^MCompleted 99
%^MDisabling I/O throttling on 'drive-virtio-disk0' due to synchronous I/O.
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