Is 'tcmu-runner' running on that node? Any errors in dmesg or
/var/log/tcmu-runner.log?
On Fri, Jun 29, 2018 at 10:43 AM Bernhard Dick <bernh...@bdick.de> wrote:
> Hi,
>
> Am 28.06.2018 um 18:09 schrieb Jason Dillaman:
> > Do you have the ansible backtrace from the "ceph-iscsi-gw : igw_lun |
> > configureluns (create/map rbds and add to lio)]" step?
> I assume you mean the following (from running with verbosity 3, after
> running the purge-iscsi-gateways playbook beforehand)
>
> Using module file /home/dick/git/ceph-ansible/library/igw_lun.py
> <ovirt-test04> ESTABLISH SSH CONNECTION FOR USER: root
> <ovirt-test04> SSH: EXEC ssh -o ControlMaster=auto -o
> ControlPersist=600s -o StrictHostKeyChecking=no -o
> KbdInteractiveAuthentication=no -o
> PreferredAuthentications=gssapi-with-mic,g
> ssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o
> User=root -o ConnectTimeout=30 -o
> ControlPath=/home/dick/.ansible/cp/%h-%r-%p ovirt-test04 '/bin/sh -c
> '"'"'/usr/bin/p
> ython && sleep 0'"'"''
> <ovirt-test04> (1, '', 'Traceback (most recent call last):\n File
> "/tmp/ansible_F3sf6j/ansible_module_igw_lun.py", line 166, in <module>\n
> ansible_main()\n File "/tmp/ansible_F3
> sf6j/ansible_module_igw_lun.py", line 135, in ansible_main\n
> lun.manage(desired_state)\n File
> "/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py", line 365,
> in manage\n self.allocate()\n File "/u
> sr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py", line 490, in
> allocate\n lun = self.add_dev_to_lio()\n File
> "/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py", line 683,
> in add_dev_to_lio\n
> wwn=in_wwn, control=control_string)\n File
> "/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py", line 818, in
> __init__\n self._configure(config, size, wwn, hw_max_sectors,
> control)\n File "/usr/lib/pytho
> n2.7/site-packages/rtslib_fb/tcm.py", line 836, in _configure\n
> self._enable()\n File
> "/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py", line 172, in
> _enable\n fwrite(path, "1\\n")\n File "/usr/lib/pyt
> hon2.7/site-packages/rtslib_fb/utils.py", line 79, in fwrite\n
> file_fd.write(str(string))\nIOError: [Errno 2] No such file or
> directory\n')
> The full traceback is:
> Traceback (most recent call last):
> File "/tmp/ansible_F3sf6j/ansible_module_igw_lun.py", line 166, in
> <module>
> ansible_main()
> File "/tmp/ansible_F3sf6j/ansible_module_igw_lun.py", line 135, in
> ansible_main
> lun.manage(desired_state)
> File "/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py",
> line 365, in manage
> self.allocate()
> File "/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py",
> line 490, in allocate
> lun = self.add_dev_to_lio()
> File "/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py",
> line 683, in add_dev_to_lio
> wwn=in_wwn, control=control_string)
> File "/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py", line 818,
> in __init__
> self._configure(config, size, wwn, hw_max_sectors, control)
> File "/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py", line 836,
> in _configure
> self._enable()
> File "/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py", line 172,
> in _enable
> fwrite(path, "1\n")
> File "/usr/lib/python2.7/site-packages/rtslib_fb/utils.py", line 79,
> in fwrite
> file_fd.write(str(string))
> IOError: [Errno 2] No such file or directory
>
> failed: [ovirt-test04] (item={u'host': u'ovirt-test04', u'image':
> u'iscsi2342', u'state': u'present', u'pool': u'rbd', u'size': u'1G'}) => {
> "changed": false,
> "item": {
> "host": "ovirt-test04",
> "image": "iscsi2342",
> "pool": "rbd",
> "size": "1G",
> "state": "present"
> },
> "module_stderr": "Traceback (most recent call last):\n File
> \"/tmp/ansible_F3sf6j/ansible_module_igw_lun.py\", line 166, in
> <module>\n ansible_main()\n File
> \"/tmp/ansible_F3sf6j/ansible_module_igw_lun.
> py\", line 135, in ansible_main\n lun.manage(desired_state)\n File
> \"/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py\", line 365,
> in manage\n self.allocate()\n File \"/usr/lib/python2.7/site-pa
> ckages/ceph_iscsi_config/lun.py\", line 490, in allocate\n lun =
> self.add_dev_to_lio()\n File
> \"/usr/lib/python2.7/site-packages/ceph_iscsi_config/lun.py\", line 683,
> in add_dev_to_lio\n wwn=in_wwn, contr
> ol=control_string)\n File
> \"/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py\", line 818, in
> __init__\n self._configure(config, size, wwn, hw_max_sectors,
> control)\n File \"/usr/lib/python2.7/site-packages
> /rtslib_fb/tcm.py\", line 836, in _configure\n self._enable()\n File
> \"/usr/lib/python2.7/site-packages/rtslib_fb/tcm.py\", line 172, in
> _enable\n fwrite(path, \"1\\n\")\n File \"/usr/lib/python2.7/site-
> packages/rtslib_fb/utils.py\", line 79, in fwrite\n
> file_fd.write(str(string))\nIOError: [Errno 2] No such file or
> directory\n",
> "module_stdout": "",
> "msg": "MODULE FAILURE",
> "rc": 1
> }
>
> > Have you tried
> > using the stock v4.16 kernel (no need to use the one on shaman)?
> I have also used the v4.17.2-1.el7.elrepo.x86_64 elrepo kernel, having
> the same result.
>
> Regards
> Bernhard
> >
> > On Thu, Jun 28, 2018 at 11:29 AM Bernhard Dick <bernh...@bdick.de
> > <mailto:bernh...@bdick.de>> wrote:
> >
> > Hi Jason,
> >
> > Am 28.06.2018 um 14:33 schrieb Jason Dillaman:
> > > You should have "/var/log/ansible-module-igw_config.log" on the
> > target
> > > machine that hopefully includes more information about why the
> > RBD image
> > > is missing from the TCM backend.
> > I have the logfile, however there everything seems fine. The last
> > lines are:
> > 2018-06-28 17:25:36,876 igw_lun.py DEBUG : Check the rbd image
> size
> > matches the request
> > 2018-06-28 17:25:36,904 igw_lun.py DEBUG : rbd image rbd.iscsi2342
> > size matches the configuration file request
> > 2018-06-28 17:25:36,904 igw_lun.py DEBUG : Begin processing LIO
> > mapping
> > 2018-06-28 17:25:36,905 igw_lun.py INFO : (LUN.add_dev_to_lio)
> > Adding image 'rbd.iscsi2342' to LIO
> > 2018-06-28 17:25:36,905 igw_lun.py DEBUG :
> > control="max_data_area_mb=8"
> >
> > Regards
> > Bernhard
> >
> > > In the past, I've seen issues w/ image
> > > features and image size mismatch causing the process to abort
> > >
> > > On Thu, Jun 28, 2018 at 5:57 AM Bernhard Dick <bernh...@bdick.de
> > <mailto:bernh...@bdick.de>
> > > <mailto:bernh...@bdick.de <mailto:bernh...@bdick.de>>> wrote:
> > >
> > > Hi,
> > >
> > > I'm trying to setup iSCSI using ceph-ansible (stable-3.1)
> > branch with
> > > one iscsi gateway. The Host is a CentOS 7 host and I use the
> > packages
> > > from the Centos Storage SIG for luminous. Additionally I have
> > installed:
> > > ceph-iscsi-cli Version 2.7 Release 13.gb9e48a7.el7
> > > ceph-iscsi-config Version 2.6 Release 15.ge016c6f.el7
> > > from the iscsi project at shaman.ceph.com
> > <http://shaman.ceph.com> <http://shaman.ceph.com>.
> > > The python-rtslib version on the host is 2.1.fb67 Release
> > 10.g7713d1e
> > > also from shaman. The running kernel version is
> > > 4.15.0-ceph-g1c778f43da52.
> > > The ansible process stops at TASK [ceph-iscsi-gw : igw_lun |
> > configure
> > > luns (create/map rbds and add to lio)] complaining about file
> > not found
> > > while caused by the self._enable function in tcm.py. That is
> > due to the
> > > directory /sys/kernel/config/target/core/user_0/ is
> > completely missing
> > > at this step.
> > > Do you have any ideas how to fix or debug this further?
> > >
> > > Regards
> > > Bernhard
> > > _______________________________________________
> > > ceph-users mailing list
> > > ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com>
> > <mailto:ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com
> >>
> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> > >
> > >
> > >
> > > --
> > > Jason
> >
> >
>
--
Jason
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