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Re: [Qemu-discuss] outdated qemu prevents to do live disk snapshot/activ

From: Ratliff, John
Subject: Re: [Qemu-discuss] outdated qemu prevents to do live disk snapshot/active block commit (RHEL7.4)
Date: Wed, 20 Jun 2018 13:04:16 +0000

RedHat always lags far behind in package versions. The first beta of RHEL  7 
was released almost 7 years ago, which means they picked packages from an even 
earlier time.

If you can't find a third-party repo, you'll have to compile a newer qemu 
yourself or switch distros.

John Ratliff   | Pervasive Technology Institute | UITS | Research Storage - 
Indiana University | http://pti.iu.edu/

-----Original Message-----
From: Qemu-discuss <address@hidden> On Behalf 
Of czezz
Sent: Wednesday, June 20, 2018 6:56 AM
To: address@hidden
Subject: [Qemu-discuss] outdated qemu prevents to do live disk snapshot/active 
block commit (RHEL7.4)

Hi everyone,  this might be more related to RHEL itself than to qemu but mayve 
someone can give me some hints to this issue.    My KVM host is based on RHEL 
7.4 and here are some more details:  # cat /etc/redhat-release  Red Hat 
Enterprise Linux Server release 7.4 (Maipo)   # uname -a  Linux master1 
3.10.0-693.17.1.el7.x86_64 #1 SMP Sun Jan 14 10:36:03 EST 2018 x86_64 x86_64 
x86_64 GNU/Linux   # rpm -qa | grep -i qemu  ipxe-roms-qemu-20170123-1.git4 
qemu-kvm-common-1.5.3-141.el7_  qemu-kvm-1.5.3-141.el7_4.5.x86 
qemu-img-1.5.3-141.el7_4.5.x86  libvirt-daemon-driver-qemu-3.2   Problem: 
when I want to create a snapshot of VM (hosted on this machine) I get 
following error:  &#34;live disk snapshot not supported with this qemu 
binary&#34;   What I have read/goodle&#39;d, qemu supports &#34;live disk 
snapshot&#34; starting from version 2.0/2.1   Questions:  1. Why RHEL 7.4 
keeps outdated qemu-kvm-1.5.3 which does not allow to do live disk 
snapshot/active block commit?  2. How to update qemu to the version that 
supports live disk snapshot/active block commit ?   Best regards,  czezz

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