[Bug 1636322] Re: upstart: ceph-all service starts before networks up

Launchpad Bug Tracker 1636322 at bugs.launchpad.net
Fri Feb 24 00:27:27 UTC 2017

This bug was fixed in the package ceph - 10.2.5-0ubuntu3

ceph (10.2.5-0ubuntu3) zesty; urgency=medium

  * Start ceph-all after static-network-up (LP: #1636322).
    - d/p/start-ceph-all-after-network.patch: add dependency on
      the static-network-up event before starting ceph-all.

 -- Billy Olsen <billy.olsen at canonical.com>  Mon, 30 Jan 2017 09:50:25

** Changed in: ceph (Ubuntu Zesty)
       Status: Invalid => Fix Released

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  upstart: ceph-all service starts before networks up

Status in Ubuntu Cloud Archive:
Status in Ubuntu Cloud Archive icehouse series:
Status in Ubuntu Cloud Archive kilo series:
Status in Ubuntu Cloud Archive liberty series:
Status in Ubuntu Cloud Archive mitaka series:
Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Trusty:
Status in ceph source package in Xenial:
Status in ceph source package in Yakkety:
Status in ceph source package in Zesty:
  Fix Released

Bug description:
  As reported in upstream bug http://tracker.ceph.com/issues/17689, the
  ceph-all service starts at runlevels [2345] and introduces a race
  condition which allows the ceph service (e.g. ceph-mon) to start prior
  to the network the service binds to is up on the server. This causes
  the service to fail on start because it was unable to bind to the
  specific network the service is configured to listen on.

  A work around is to provide a post-up directive to the network stanza
  configuring the network device in the /etc/network/interfaces file
  which restarts the necessary ceph service.


   * Ceph service fails to start on reboot of machine/container when
  networking takes some time to come up.

   * The provided patch to the upstart service configuration adds the
  static-network-up event as a dependency for the start on service
  directive. The static-network-up event is started after all the
  network stanzas have been processed in the necessary config files.

  [Test Case]

  * Configure multiple network interfaces and have the ceph service bind
  to one of the last configured network devices to introduce a delayed
  start of the network interface.

  [Regression Potential]

  * Upstream previously had the directive to start the service after any
  network-device-up for a network which is not the loopback interface.
  This caused some "weirdness" to be seen when the multiple network
  interfaces were configured. This was likely due the events that it
  keyed on being the local filesystems being available and a single
  network interface being available. This would add the change to start
  only after all the network interface stanzas are processed in the
  /e/n/i configuration files.

  * Additionally, this will cause some ceph services to start later than
  they previously would have since this change causes additional start
  dependencies. However, the results should be that the interfaces have
  always had a chance to be started prior to the attempt to start the
  ceph service.

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