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>> 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>>> 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
> _______________________________________________
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<mailto:ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx>>
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>
>
>
> --
> Jason
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