A recent patch submission by Christian Hesse to supply an "iscsi login service" for systemd spurred me to share the systemd files currently being used by SUSE, since these may help others (like Christian).
In the open-iscsi repository, there are only two systemd files: iscsid.socket -- the socket-activiation service for iscsid iscsid.service -- how to start/stop iscsid Our iscsid.service file is slightly different from what is in the open-iscsi repository, so here is a context diff: -------------------->> cut here <<------------------------------- [Unit] Description=Open-iSCSI Documentation=man:iscsid(8) man:iscsiuio(8) man:iscsiadm(8) DefaultDependencies=no After=network.target iscsiuio.service Before=remote-fs-pre.target [Service] Type=simple ExecStart=/sbin/iscsid -f ExecStop=/sbin/iscsiadm -k 0 2 [Install] WantedBy=multi-user.target Also=iscsid.socket -------------------->> cut here <<------------------------------- Differences from current repository file: - Service type changed to simple, as it's more reliable - our daemon is in /sbin instead of /usr/sbin - specifically mention the socket file - several changes to support iSCSI volumes at boot time: - no default dependencies (or it starts too late) - don't need all of the "After*"s - add a "Before*" Perhaps some of these would be generally useful? And I expect that the RedHat version is slightly different. Anyone interested in posting it, so we might come up with a common solution, as much as possible? Note: we also enable, by default, the iscsid.socket service, so that iscsid can be started any time after installation simply by trying to access it. Next, our distro has a service file for iscsi login/logout service. We called it "iscsi.service", and here's the whole service file: -------------------->> cut here <<------------------------------- [Unit] Description=Login and scanning of iSCSI devices Documentation=man:iscsiadm(8) man:iscsid(8) After=network.target network-online.target iscsid.service ConditionPathExists=/etc/iscsi/initiatorname.iscsi [Service] Type=oneshot ExecStart=-/sbin/iscsiadm -m node --loginall=automatic ExecStop=/sbin/iscsiadm -m node --logoutall=automatic SuccessExitStatus=21 RemainAfterExit=true [Install] WantedBy=remote-fs.target -------------------->> cut here <<------------------------------- You can see there are some differences from the patch proposed by Christian recently: - you do not need to say "after" iscsid.socket - after network target, since we need it running and online - no need to start if there is no initiator name - make the "start" ignore errors, else the service thinks it is not running if there are no targets at startup time, even if they've been added - ignore a return status of 21, which just means not all target logins worked - remain after started, so the service thinks it is running even after the one shot And, lastly, we also have two service files for iscsiuio. Here is iscsiuio.socket: -------------------->> cut here <<------------------------------- [Unit] Description=Open-iSCSI iscsiuio Socket Documentation=man:iscsiuio(8) [Socket] ListenStream=@ISCSID_UIP_ABSTRACT_NAMESPACE [Install] WantedBy=sockets.target -------------------->> cut here <<------------------------------- And iscsiuio.service: -------------------->> cut here <<------------------------------- [Unit] Description=iSCSI UserSpace I/O driver Documentation=man:iscsiuio(8) DefaultDependencies=no Conflicts=shutdown.target Requires=iscsid.service BindTo=iscsid.service After=network.target Before=remote-fs-pre.target iscsid.service [Service] Type=forking PIDFile=/var/run/iscsiuio.pid ExecStart=/sbin/iscsiuio [Install] WantedBy=multi-user.target -------------------->> cut here <<------------------------------- Note that the iscsiuio service has not gotten nearly as much testing and tweaking as the iscsid and iscsi files have, so YMMV. But these are what we currently have. I will be glad to supply some or all of these changes as patches, if there is interest. Of course there was a small change in the iscsiuio daemon, as well, to support socket activation, which is another patch I'd be glad to supply if needed. -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to open-iscsi+unsubscr...@googlegroups.com. To post to this group, send email to open-iscsi@googlegroups.com. Visit this group at http://groups.google.com/group/open-iscsi. For more options, visit https://groups.google.com/d/optout.
