Hi Lee, Can you introduce to me the detail test step about disk performance? I want to look into it when I have time.
Thanks Zhang Chen On Wed, Nov 27, 2019 at 10:50 AM lee <1754...@bugs.launchpad.net> wrote: > > Hi Zhang Chen , > > I try colo follow https://wiki.qemu.org/Features/COLO. > It work well. But disk performance slow. > Only host performance 10%. > Can virtio blk supported by current colo? > Or is there any other way to improve disk performance. > > Thanks > Zhang Chen > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1754542 > > Title: > colo: vm crash with segmentation fault > > Status in QEMU: > Fix Released > > Bug description: > I use Arch Linux x86_64 > Zhang Chen's(https://github.com/zhangckid/qemu/tree/qemu-colo-18mar10) > Following document 'COLO-FT.txt', > I test colo feature on my hosts > > I run this command > Primary: > sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp > stdio -name primary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive > if=virtio,id=primary-disk0,driver=quorum,read-pattern=fifo,vote-threshold=1,\ > children.0.file.filename=/var/lib/libvirt/images/1.raw,\ > children.0.driver=raw -S > > Secondary: > sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp > stdio -name secondary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive > if=none,id=secondary-disk0,file.filename=/var/lib/libvirt/images/2.raw,driver=raw,node-name=node0 > \ > -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\ > file.driver=qcow2,top-id=active-disk0,\ > file.file.filename=/mnt/ramfs/active_disk.img,\ > file.backing.driver=qcow2,\ > file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\ > file.backing.backing=secondary-disk0 \ > -incoming tcp:0:8888 > > Secondary: > {'execute':'qmp_capabilities'} > { 'execute': 'nbd-server-start', > 'arguments': {'addr': {'type': 'inet', 'data': {'host': '192.168.0.34', > 'port': '8889'} } } > } > {'execute': 'nbd-server-add', 'arguments': {'device': 'secondary-disk0', > 'writable': true } } > > Primary: > {'execute':'qmp_capabilities'} > { 'execute': 'human-monitor-command', > 'arguments': {'command-line': 'drive_add -n buddy > driver=replication,mode=primary,file.driver=nbd,file.host=192.168.0.34,file.port=8889,file.export=secondary-disk0,node-name=nbd_client0'}} > { 'execute':'x-blockdev-change', 'arguments':{'parent': 'primary-disk0', > 'node': 'nbd_client0' } } > { 'execute': 'migrate-set-capabilities', > 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': > true } ] } } > { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } } > And two VM with cash > Primary: > {"timestamp": {"seconds": 1520763655, "microseconds": 511415}, "event": > "RESUME"} > [1] 329 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot > c -enable-kvm -m 2048 -smp 2 -qm > > Secondary: > {"timestamp": {"seconds": 1520763655, "microseconds": 510907}, "event": > "RESUME"} > [1] 367 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot > c -enable-kvm -m 2048 -smp 2 -qm > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qemu/+bug/1754542/+subscriptions -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1754542 Title: colo: vm crash with segmentation fault Status in QEMU: Fix Released Bug description: I use Arch Linux x86_64 Zhang Chen's(https://github.com/zhangckid/qemu/tree/qemu-colo-18mar10) Following document 'COLO-FT.txt', I test colo feature on my hosts I run this command Primary: sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp stdio -name primary \ -device piix3-usb-uhci \ -device usb-tablet -netdev tap,id=hn0,vhost=off \ -device virtio-net-pci,id=net-pci0,netdev=hn0 \ -drive if=virtio,id=primary-disk0,driver=quorum,read-pattern=fifo,vote-threshold=1,\ children.0.file.filename=/var/lib/libvirt/images/1.raw,\ children.0.driver=raw -S Secondary: sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp stdio -name secondary \ -device piix3-usb-uhci \ -device usb-tablet -netdev tap,id=hn0,vhost=off \ -device virtio-net-pci,id=net-pci0,netdev=hn0 \ -drive if=none,id=secondary-disk0,file.filename=/var/lib/libvirt/images/2.raw,driver=raw,node-name=node0 \ -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\ file.driver=qcow2,top-id=active-disk0,\ file.file.filename=/mnt/ramfs/active_disk.img,\ file.backing.driver=qcow2,\ file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\ file.backing.backing=secondary-disk0 \ -incoming tcp:0:8888 Secondary: {'execute':'qmp_capabilities'} { 'execute': 'nbd-server-start', 'arguments': {'addr': {'type': 'inet', 'data': {'host': '192.168.0.34', 'port': '8889'} } } } {'execute': 'nbd-server-add', 'arguments': {'device': 'secondary-disk0', 'writable': true } } Primary: {'execute':'qmp_capabilities'} { 'execute': 'human-monitor-command', 'arguments': {'command-line': 'drive_add -n buddy driver=replication,mode=primary,file.driver=nbd,file.host=192.168.0.34,file.port=8889,file.export=secondary-disk0,node-name=nbd_client0'}} { 'execute':'x-blockdev-change', 'arguments':{'parent': 'primary-disk0', 'node': 'nbd_client0' } } { 'execute': 'migrate-set-capabilities', 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': true } ] } } { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } } And two VM with cash Primary: {"timestamp": {"seconds": 1520763655, "microseconds": 511415}, "event": "RESUME"} [1] 329 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qm Secondary: {"timestamp": {"seconds": 1520763655, "microseconds": 510907}, "event": "RESUME"} [1] 367 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qm To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1754542/+subscriptions