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[Qemu-discuss] ubuntu trusty and qemu blockcommit support?


From: Eero Volotinen
Subject: [Qemu-discuss] ubuntu trusty and qemu blockcommit support?
Date: Wed, 18 Mar 2015 10:26:17 +0200

Hi,

Trying to enable block commit support on ubuntu trusty, but with no success. (http://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit)

my qemu and libvirt versions are following:

ii  qemu                                      2.1.2+dfsg-0~14.04~ppa0                             amd64        fast processor emulator

ii  qemu-kvm                                  2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU Full virtualization on x86 hardware

ii  qemu-system                               2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries

ii  qemu-system-arm                           2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (arm)

ii  qemu-system-common                        2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (common files)

ii  qemu-system-mips                          2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (mips)

ii  qemu-system-misc                          2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (miscelaneous)

ii  qemu-system-ppc                           2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (ppc)

ii  qemu-system-sparc                         2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (sparc)

ii  qemu-system-x86                           2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU full system emulation binaries (x86)

ii  qemu-user                                 2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU user mode emulation binaries

ii  qemu-user-binfmt                          2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU user mode binfmt registration for qemu-user

ii  qemu-utils                                2.1.2+dfsg-0~14.04~ppa0                             amd64        QEMU utilities


and

ii  libvirt-bin                                   1.2.12-1                    amd64                       programs for the libvirt library

ii  libvirt-glib-1.0-0                            0.1.6-1ubuntu2              amd64                       libvirt glib mainloop integration

ii  libvirt0                                      1.2.12-1                    amd64                       library for interfacing with different virtualization systems


from 

deb http://ppa.launchpad.net/jacob/virtualisation/ubuntu trusty main 

deb http://ppa.launchpad.net/vshn/libvirt/ubuntu trusty main


but still no success:



#virsh blockcommit paranoid-1 vda    --active --pivot --verbose

error: unsupported configuration: active commit not supported with this QEMU binary


any idea how to get easily blockcommit/active commit workin on ubuntu trusty?


thanks,


--
Eero



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