Cannot initialize driver

[carmelotoner]

I've installed the driver on my netwon cluster but i encounter the error bellow:

2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager [req-95e9c02f-0190-4225-b0cb-3bb665cae594 - - - - -] Failed to initialize driver.
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager Traceback (most recent call last):
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager File "/usr/lib/python2.7/site-packages/cinder/volume/manager.py", line 414, in init_host
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager self.driver.do_setup(ctxt)
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/dell_emc/unity/driver.py", line 78, i
n do_setup
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager self.adapter.do_setup(self, self.configuration)
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/dell_emc/unity/adapter.py", line 78,
in do_setup
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager if utils.is_before_4_1(sys_version):
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/dell_emc/unity/utils.py", line 291, i
n is_before_4_1
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager return version.LooseVersion(ver) < version.LooseVersion('4.1')
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager File "/usr/lib64/python2.7/distutils/version.py", line 296, in cmp
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager return cmp(self.version, other.version)
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager AttributeError: LooseVersion instance has no attribute 'version'
2017-09-13 15:51:01.568 57228 ERROR cinder.volume.manager
2017-09-13 15:51:01.660 57228 INFO cinder.volume.manager [req-95e9c02f-0190-4225-b0cb-3bb665cae594 - - - - -] Initializing RPC dependent components of volume
driver UnityDriver (00.04.03)
2017-09-13 15:51:01.661 57228 ERROR cinder.utils [req-95e9c02f-0190-4225-b0cb-3bb665cae594 - - - - -] Volume driver UnityDriver not initialized
2017-09-13 15:51:01.663 57228 ERROR cinder.volume.manager [req-95e9c02f-0190-4225-b0cb-3bb665cae594 - - - - -] Cannot complete RPC initialization because driv
er isn't initialized properly.

How to resolve it?

Thank you for your good works!!

[denny-zhao]

What's your array? VNXe3200 or Unity? Looks like you are using a Unity driver (per log), but opened an issue for vnxe driver. So not sure.

[carmelotoner]

Hello,
I was in the wrong section sorry.
I use the VNXe3200 array.
My openstack version is Newton, but the latest vnxedriver is for mitaka. Is it compatible or not for newton?
But unity is no compatible for VNXe?

[carmelotoner]

I tried to use the vnxe driver even if it's for mitaka :)

i have the error bellow:

2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume Traceback (most recent call last):
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/cinder/cmd/volume.py", line 99, in main
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume cluster=cluster)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/cinder/service.py", line 382, in create
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume cluster=cluster)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/cinder/service.py", line 202, in init
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume *args, **kwargs)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/cinder/volume/manager.py", line 242, in init
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume active_backend_id=curr_active_backend_id)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_utils/importutils.py", line 44, in import_object
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume return import_class(import_str)(*args, **kwargs)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_utils/importutils.py", line 30, in import_class
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume import(mod_str)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/emc/emc_vnxe.py", line 64, in
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume CONF.register_opts(loc_opts)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2193, in __inner
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume result = f(self, *args, **kwargs)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2362, in register_opts
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume self.register_opt(opt, group, clear_cache=False)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2197, in __inner
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume return f(self, *args, **kwargs)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2351, in register_opt
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume if _is_opt_registered(self._opts, opt):
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 662, in _is_opt_registered
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume raise DuplicateOptError(opt.name)
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume DuplicateOptError: duplicate option: storage_protocol
2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume

[denny-zhao]

2017-09-14 09:14:01.751 57160 ERROR cinder.cmd.volume DuplicateOptError: duplicate option: storage_protocol

There could be some error in driver configuration. Can you paste your cinder.conf?

[carmelotoner]

hi Denny,

in attached you can find the cinder.conf

cinder.txt

[denny-zhao]

storage_pool_names is missing from [vnxe] section. Can you add and try again?

[carmelotoner]

i added the storage_pool_names but the same error:

2017-09-15 13:32:25.705 97547 ERROR cinder.cmd.volume DuplicateOptError: duplicate option: storage_protocol

[Murray-LIANG]

Maybe the option storage_protocol was moved up to the framework level in Newton instead down in the driver level. We will check that.

[Murray-LIANG]

@carmelotoner We modified the codes and pushed them into a new branch newton. And tested the vnxe driver came up in Newton. Could you have a try? Thanks!

[carmelotoner]

i have a diffrenet result.
the error is now like this:

ERROR cinder.cmd.volume URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:579)>

[Murray-LIANG]

Oops, this issue is same as https://review.openstack.org/#/c/449408/

From python 2.7.9 on, the ssl verification is enabled by default,

There are two solutions:

1. Downgrade the python.
2. Waiting for our fix. This need another couple of days.

[carmelotoner]

Thank for your help Sir.
For now i cannot downgrade the python because it will broke my entire cluster :)

I will wait for the fix. Thank you for your hard work.

[Murray-LIANG]

The fix is pushed to the newton branch. I tested it on the version 2.7.14. Please have a try.