Control: tags -1 + confirmed The previous way open-iscsi handled upgrades was wrong: it's perfectly safe to restart iscsid even with active sessions - iscsid is only responsible for recovery. (Of course, you should remain logged in to those sessions, and NOT restart the open-iscsi init script, that would be bad.) There is a slight caveat in that iscsid will reconnect to targets on startup (even if there are existing connections), but as long as the targets are reachable, this should not be an issue.
I've made some changes so that on future upgrades (starting with Stretch) iscsid will be restarted (but keeping the sessions as they are). Ritesh still needs to the review them, and the upgrade path will need a bit of testing in unstable, but once those changes are in, open-iscsi should be safely upgradable regardless of the setup. My changes also contain updates to README.Debian that explain the situation. The changes required to make this work are quite invasive though, so we will not work on getting this into stable (especially since this is only relevant if one updates things, and I don't expect another update to the package during the Jessie release cycle). Christian
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