VM Checkpoints: Difference between revisions

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Example Output:
<syntaxhighlight lang="yaml">
<syntaxhighlight lang="yaml">
Available Packages
Available Packages
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Licence : GPLv2
Licence : GPLv2
Description : Suite of daemons that are needed when Linux guest : is running on Windows Host with HyperV
Description : Suite of daemons that are needed when Linux guest : is running on Windows Host with HyperV
</code>
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<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
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<code>
Example Output:
<syntaxhighlight lang="yaml">
● hypervkvpd.service - Hyper-V KVP daemon
● hypervkvpd.service - Hyper-V KVP daemon
  Loaded: loaded (/usr/lib/systemd/system/hypervkvpd.service; static; vendor preset: enabled)
  Loaded: loaded (/usr/lib/systemd/system/hypervkvpd.service; static; vendor preset: enabled)
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Jul 26 02:37:30 centos7 HV_FCOPY[3492]: starting; pid is:3492
Jul 26 02:37:30 centos7 HV_FCOPY[3492]: starting; pid is:3492
Jul 26 02:37:30 centos7 HV_FCOPY[3492]: kernel module version: 1
Jul 26 02:37:30 centos7 HV_FCOPY[3492]: kernel module version: 1
</code>
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[[Category:Hyper-V]]
[[Category:Hyper-V]]

Latest revision as of 15:00, 26 March 2020

Centos 6/7 virtual machines and Production Checkpoints in Hyper-V 2016

Reference:https://marcinbojko.wordpress.com/2017/07/26/centos-67-virtual-machines-and-production-checkpoints-in-hyper-v-2016/

This will affect Veeam B&R and cause backup failures until resolved.

yum remove microsoft-hyper-v kmod-microsoft-hyper-v

OR

yum remove $(yum list installed|grep microsoft)

Check and install hyperv-daemons

yum info hyperv-daemons

Example Output:

Available Packages
Name : hyperv-daemons
Arch : x86_64
Version : 0
Release : 0.29.20160216git.el7
Size : 4.5 k
Repo : base/7/x86_64
Summary : HyperV daemons suite
URL : http://www.kernel.org
Licence : GPLv2
Description : Suite of daemons that are needed when Linux guest : is running on Windows Host with HyperV
yum install hyperv-daemons -y

Enable and start services

systemctl enable hypervfcopyd
systemctl enable hypervkvpd
systemctl enable hypervvssd

systemctl start hypervkvpd
systemctl start hypervvssd
systemctl start hypervfcopyd

Check status

systemctl status hypervkvpd

Example Output:

● hypervkvpd.service - Hyper-V KVP daemon
 Loaded: loaded (/usr/lib/systemd/system/hypervkvpd.service; static; vendor preset: enabled)
 Active: active (running) since Wed 2017-07-26 02:37:30 CDT; 14s ago
 Main PID: 3478 (hypervkvpd)
 CGroup: /system.slice/hypervkvpd.service
 └─3478 /usr/sbin/hypervkvpd -n

Jul 26 02:37:30 centos7 systemd[1]: Started Hyper-V KVP daemon.
Jul 26 02:37:30 centos7 systemd[1]: Starting Hyper-V KVP daemon...
Jul 26 02:37:30 centos7 KVP[3478]: KVP starting; pid is:3478
Jul 26 02:37:30 centos7 KVP[3478]: KVP LIC Version: 3.1
[root@centos7 ~]# systemctl status hypervvssd
● hypervvssd.service - Hyper-V VSS daemon
 Loaded: loaded (/usr/lib/systemd/system/hypervvssd.service; static; vendor preset: enabled)
 Active: active (running) since Wed 2017-07-26 02:37:30 CDT; 27s ago
 Main PID: 3485 (hypervvssd)
 CGroup: /system.slice/hypervvssd.service
 └─3485 /usr/sbin/hypervvssd -n

Jul 26 02:37:30 centos7 systemd[1]: Started Hyper-V VSS daemon.
Jul 26 02:37:30 centos7 systemd[1]: Starting Hyper-V VSS daemon...
Jul 26 02:37:30 centos7 hypervvssd[3485]: Hyper-V VSS: VSS starting; pid is:3485
Jul 26 02:37:30 centos7 hypervvssd[3485]: Hyper-V VSS: VSS: kernel module version: 129
[root@centos7 ~]# systemctl status hypervfcopyd
● hypervfcopyd.service - Hyper-V FCOPY daemon
 Loaded: loaded (/usr/lib/systemd/system/hypervfcopyd.service; static; vendor preset: disabled)
 Active: active (running) since Wed 2017-07-26 02:37:30 CDT; 44s ago
 Main PID: 3492 (hypervfcopyd)
 CGroup: /system.slice/hypervfcopyd.service
 └─3492 /usr/sbin/hypervfcopyd -n

Jul 26 02:37:30 centos7 systemd[1]: Started Hyper-V FCOPY daemon.
Jul 26 02:37:30 centos7 systemd[1]: Starting Hyper-V FCOPY daemon...
Jul 26 02:37:30 centos7 HV_FCOPY[3492]: starting; pid is:3492
Jul 26 02:37:30 centos7 HV_FCOPY[3492]: kernel module version: 1