[Bug 575240] Re: iscsid does not start automatically having iscsi root

[Will Rouesnel]

It's also worth noting that as is iscsid in new Ubuntus (Natty has it,
probably others past Jaunty as well) will fail and disconnect targets
when it's invoked on an iscsi root because of a kernel change (it treats
"(null)" as real credentials, rather then indicating no credentials and
will fail out of discovery sessions and node logins ).

To fix this I had to build open-iscsi against the newer 2.0.872 version.
A straight rebuild with the new sources and the Ubuntu debian folder
worked fine. It's a 3 line patch to fix the issue, and the new version
should probably be rolled out as an upgrade since without using an ISCSI
root is badly broken.

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https://bugs.launchpad.net/bugs/575240

Title:
  iscsid does not start automatically having iscsi root

Status in “open-iscsi” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: open-iscsi

  Affected package: open-iscsi

     # apt-cache policy open-iscsi
     open-iscsi:
       Installed: 2.0.871-0ubuntu4
       Candidate: 2.0.871-0ubuntu4
       Version table:
      *** 2.0.871-0ubuntu4 0
             500 http://es.archive.ubuntu.com/ubuntu/ lucid/main Packages
             100 /var/lib/dpkg/status

  Fresh install of Ubuntu Server 10.04 (official release, no RC).
  root filesystem in iSCSI.
  /boot in a separate filesystem.
  swap in a dedicated partition (in iSCSI as well).

  Tested on both real and virtual machines.

  Boot process seems to be OK.
  root filesystem is correctly mounted.
  "iscsiadm -m session" shows connection to the target:

     # iscsiadm -m session
     tcp: [1] 192.168.21.128:3260,2 iqn.1986-03.com.sun:02:55ea9bbb-38e6-4161-ae96-80b1b0aa08fa

  But increasing debug level, we can see we are getting an 111 error
  when contacting iscsid (111 = connection refused):

     # iscsiadm -m session -P1
     Target: iqn.1986-03.com.sun:02:55ea9bbb-38e6-4161-ae96-80b1b0aa08fa
             Current Portal: 192.168.21.128:3260,2
             Persistent Portal: 192.168.21.128:3260,2
                     **********
                     Interface:
                     **********
                     Iface Name: default
                     Iface Transport: tcp
                     Iface Initiatorname: iqn.1993-08.org.debian:01:e0f7a4361e16
                     Iface IPaddress: 192.168.21.38
                     Iface HWaddress: <empty>
                     Iface Netdev: <empty>
                     SID: 1
     iscsiadm: can not connect to iSCSI daemon (111)!
                     iSCSI Connection State: Unknown
                     iSCSI Session State: LOGGED_IN
                     Internal iscsid Session State: Unknown

  The problem is that iscsid is not running:

     # /etc/init.d/open-iscsi status
      * iscsid is not running

     # ps -efa | grep -i iscsi
     root       232     2  0 17:15 ?        00:00:00 [iscsi_eh]
     root       238     2  0 17:15 ?        00:00:00 [iscsi_q_2]
     root       851   782  0 17:32 pts/0    00:00:00 grep --color=auto -i iscsi

  open-iscsi SysV init scripts are installed (according to
  /var/lib/dpkg/info/open-iscsi.postinst):

     # find /etc/rc*.d -iname "*iscsi*"
     /etc/rc0.d/S41open-iscsi
     /etc/rc1.d/S41open-iscsi
     /etc/rc6.d/S41open-iscsi
     /etc/rcS.d/S25open-iscsi

  iscsid must be running in order to handle connection errors to the
  iSCSI target, among many other things.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: open-iscsi 2.0.871-0ubuntu4
  ProcVersionSignature: Ubuntu 2.6.32-21.32-server 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-21-server x86_64
  Architecture: amd64
  Date: Tue May  4 17:16:25 2010
  InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: open-iscsi

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