[Bug 850960] Re: iscsid tries to reconnect existing session at startup, failing to do so and hanging the system

[Robie Basak]

Current status as I understood on it (from Ante on IRC):

Fixed properly in Quantal.

Workaround present in Precise that just prevents iscsid from starting,
but then one can not mount any other target, which means the system
won't work with nova compute. So the fix that went into Quantal needs to
be SRU'd.

The upstream commit is possibly https://github.com/mikechristie/open-
iscsi/commit/5383b4b373bdea6cc50b2099201dde33de80d145

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https://bugs.launchpad.net/bugs/850960

Title:
  iscsid tries to reconnect existing session at startup, failing to do
  so and hanging the system

Status in “open-iscsi” package in Ubuntu:
  Fix Released
Status in “open-iscsi” source package in Precise:
  In Progress

Bug description:
  When starting open-iscsi with an already established session (from
  iscsistart), iscsid tries to reconnect it and fails to do it (wrong
  AuthMethod).

  Before Oneiric, a bug prevented iscsid from starting, making it "work"
  when root is on iscsi. That's as long as you don't need to mount
  another lun.

  In Oneiric, this bug got fixed, exposing the open-iscsi bug. The
  workaround for now (bug 838809) is to exit the open-iscsi init script
  when detecting we already have a session established from the
  initramfs.

  Ideally, open-iscsi should be able to start, detect that a session is
  already established and either not touch it at all or be able to
  reconnect it with the right settings.

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