Re: Problems setting up iSCSI

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

Am 29.06.2018 um 17:04 schrieb Jason Dillaman:
Is 'tcmu-runner' running on that node?
yes it is running

Any errors in dmesg or
here are no errors
/var/log/tcmu-runner.log?
the following error is shown:
[ERROR] add_device:436: could not find handler for uio0

  Regards
    Bernhard

On Fri, Jun 29, 2018 at 10:43 AM Bernhard Dick <bernhard@xxxxxxxx <mailto:bernhard@xxxxxxxx>> 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 <bernhard@xxxxxxxx
    <mailto:bernhard@xxxxxxxx>
     > <mailto:bernhard@xxxxxxxx <mailto:bernhard@xxxxxxxx>>> 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
    <bernhard@xxxxxxxx <mailto:bernhard@xxxxxxxx>
     >     <mailto:bernhard@xxxxxxxx <mailto:bernhard@xxxxxxxx>>
     >      > <mailto:bernhard@xxxxxxxx <mailto:bernhard@xxxxxxxx>
    <mailto:bernhard@xxxxxxxx <mailto:bernhard@xxxxxxxx>>>> 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> <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@xxxxxxxxxxxxxx
    <mailto:ceph-users@xxxxxxxxxxxxxx> <mailto:ceph-users@xxxxxxxxxxxxxx
    <mailto:ceph-users@xxxxxxxxxxxxxx>>
     >     <mailto:ceph-users@xxxxxxxxxxxxxx
    <mailto:ceph-users@xxxxxxxxxxxxxx> <mailto:ceph-users@xxxxxxxxxxxxxx
    <mailto:ceph-users@xxxxxxxxxxxxxx>>>
     >      > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
     >      >
     >      >
     >      >
     >      > --
     >      > Jason
     >
     >



--
Jason

_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux