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Integrating Xen 4.2 with Systemd.
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| Integrating Xen 4.2 with Systemd. | |
| ================================= | |
| * Need to include the following line in /etc/fstab: | |
| none /proc/xen xenfs defaults 0 0 | |
| * Need to place the file 'xendomains' (created in init.d) somewhere useful. | |
| Fedora use /usr/libexec which Arch does not have. It's a script so maybe | |
| /etc/xen/scripts/ ? | |
| * Error messages about 'failed to execute /usr/lib/.... xend/udev_event' | |
| (lots of them) are caused by /etc/udev/rules.d/xend.rules | |
| As xend is (a) deprecated and (b) not used, it is safe to remove xend.rules | |
| I was able to remove /etc/udev/xen-backend rules without any (apparent) effect. | |
| * The AUR build creates both oxenstored and censtored. oxenstored is more | |
| efficient according to xen.org so oxenstored.service is provided. | |
| * The following files integrate Xen 4.2 with systemd 195. They replace xencommons | |
| which loads startup modules then starts oxenstored, xenconsoled and xendomains. | |
| To start the services at startup, need to issue: | |
| systemctl enable oxenstored.service | |
| systemctl enable xenconsoled.service | |
| systemctl enable xendomains.service | |
| --------------------------------------------------------------------------------- | |
| /etc/modules-load.d/xen.conf | |
| --------------------------------------------------------------------------------- | |
| xen-evtchn | |
| xen-gntdev | |
| xen-gntalloc | |
| xen-blkback | |
| xen-netback | |
| xen-pciback | |
| xen-acpi-processor | |
| # The following were included in xencommons, but were not inserted by systemd | |
| # evtchn | |
| # gntdev | |
| # netbk | |
| # blkbk | |
| # xen-scsibk | |
| # usbbk | |
| # pciback | |
| # blktap2 | |
| # blktap | |
| #### end of xen.conf | |
| --------------------------------------------------------------------------------- | |
| /usr/lib/systemd/system/xenstored.service | |
| --------------------------------------------------------------------------------- | |
| [Unit] | |
| Description=Xenstored - daemon managing xenstore file system | |
| Before=libvirtd.service libvirt-guests.service | |
| After=dbus.service | |
| RefuseManualStop=true | |
| [Service] | |
| Type=forking | |
| PIDFile=/var/run/xenstored.pid | |
| ExecStart=/usr/sbin/xenstored --pid-file /var/run/xenstored.pid $XENSTORED_ARGS | |
| [Install] | |
| WantedBy=multi-user.target | |
| #### end of xenstored.service | |
| --------------------------------------------------------------------------------- | |
| /usr/lib/systemd/system/xenstored.service | |
| --------------------------------------------------------------------------------- | |
| [Unit] | |
| Description=Xenconsoled - handles logging from guest consoles and hypervisor | |
| After=xenstored.service | |
| [Service] | |
| Type=simple | |
| PIDFile=/var/run/xenconsoled.pid | |
| ExecStart=/usr/sbin/xenconsoled | |
| [Install] | |
| WantedBy=multi-user.target | |
| #### end of xencommons.service | |
| --------------------------------------------------------------------------------- | |
| /usr/lib/systemd/system/xendomains.service | |
| --------------------------------------------------------------------------------- | |
| [Unit] | |
| Description=Xendomains - start and stop guests on boot and shutdown | |
| Requires=proc-xen.mount xenstored.service | |
| After=proc-xen.mount xenstored.service xenconsoled.service | |
| ConditionPathExists=/proc/xen | |
| [Service] | |
| Type=oneshot | |
| RemainAfterExit=true | |
| ExecStartPre=/usr/bin/grep -q control_d /proc/xen/capabilities | |
| ExecStart=/etc/xen/scripts/xendomains start | |
| ExecStop=/etc/xen/scripts/xendomains stop | |
| [Install] | |
| WantedBy=multi-user.target | |
| #### end of xendomains.service | |
| ******************************************************************************** | |
| xen.conf paleo9 | |
| oxenstored.service xenconsoled.service xendomains.service | |
| based on Fedora 17, modified for the Arch system by paleo9 | |
| ********************************************************************************* | |
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