[Bug 1910209] Re: "systemctl stop openvswitch-switch" will remove /var/run/openvswitch
Christian Ehrhardt
1910209 at bugs.launchpad.net
Thu Jan 7 06:52:35 UTC 2021
FYI:
- systemctl reload works fine (as that calls /usr/share/openvswitch/scripts/ovs-systemd-reload)
- systemctl restart also clears the /var/run/openvswitch directory
** Changed in: dpdk (Ubuntu)
Status: Incomplete => Confirmed
** Also affects: openvswitch (Ubuntu)
Importance: Undecided
Status: New
** Changed in: openvswitch (Ubuntu)
Status: New => Confirmed
** Changed in: dpdk (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1910209
Title:
"systemctl stop openvswitch-switch" will remove /var/run/openvswitch
Status in dpdk package in Ubuntu:
Invalid
Status in openvswitch package in Ubuntu:
Confirmed
Bug description:
TL;DR:
- stoping/restarting OVS clears /var/run/openvswitch
- out of the "vhostuser" connection times a common socket path used
was at /var/run/openvswitch
- if that path used with "vhostuserclient" that removes the sockets
on OVS stop/restart
- Since qemu in server mode only creates this sockets once (as by
the client/server design makes sense) that breaks the guests until
restarted which is what the tech of vhostuserclient wanted to avoid.
+ Workaround: do use a different path like e.g.
"/var/run/vhostuserclient/vhost-user-client-1"
+ Solution: let us think if we could keep the path around on stop/restart
--- vv original report vv ---
My system is Ubuntu 18.04, I installed ovs DPDK by apt-get and used
ovs-vswitchd DPDK version, but when I stop openvswitch-switch (sudo
systemctl stop openvswitch-switch), /var/run/openvswitch is removed,
so the exisitng VMs can't be accessed any more. I don't know why it is
removed and who removed it.
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