Hello Rajini

Yes it fixed with little more tweaks inside cinder.conf.We had to increase  the time out value

Thanks again for the response

Sent from my iPhone

> On 27-Nov-2017, at 8:29 PM, Rajini Karthik <email address hidden> wrote:
> 
> This fix has been backported to ocata, pike and newton. See above
> messages in the thread
> 
> -- 
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1661154
> 
> Title:
>  Dell eqlx/PS driver timeout error in periodic task
> 
> Status in Cinder:
>  Fix Released
> 
> Bug description:
>  Cinder volume driver gets the capacity information from periodic task.
>  Eqlx driver, which is EqualLogic Storage of Dell, gets the information using 'pool select default show' CLI command.
>  The CLI command brings up default pool information and all list of volumes.
> 
>  Below is output of command.
> 
>  TEST-PS6210> pool select default show
>  ______________________________ Pool Information _______________________________
>  Name: default
>  Description:
>  Default: true
>  Data-Reduction: not-started
>  TotalVolumes: 4
>  VolumesOnline: 4
>  .
>  .
>  TotalCapacity: 9.1TB
>  VolumeReserve: 102.47GB
>  .
>  .
>  FreeSpace: 8.89TB
>  .
>  .
>  _______________________________________________________________________________
>  Name       Status  Model   Version    Disks Capacity   FreeSpace  Connections
>  ---------- ------- ------- ---------- ----- ---------- ---------- -----------
>  PS6210XS-0 online  70-0425 V9.0.3 (R4 24    9.1TB      8.89TB     2
>    1                          27117)
> 
>  ___________________________________ Volumes ___________________________________
> 
>  Name            Size       Snapshots Status   Permission Connections
>  --------------- ---------- --------- -------- ---------- -----------
>  volume-d961ebbb 1GB        2         online   read-write 0
>    -ccfe-4983-95
>    a1-cdb5faf7a4
>    72
> 
>  It could make a problem when cinder hava a lot of volumes in eqlx
>  driver.
> 
>  Below is cinder-volume log,
>  2017-02-02 11:29:44.540 151491 ERROR cinder.volume.drivers.eqlx [-] The EQL array has closed the connection.
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx [req-2feb8b12-ea6f-45c2-81e6-09ff45078df4 - - - - -] Error running command.
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx Traceback (most recent call last):
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/local/lib/python2.7/dist-packages/cinder/volume/drivers/eqlx.py", line 263, in _run_ssh
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     timeout=self.configuration.ssh_conn_timeout)
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/local/lib/python2.7/dist-packages/cinder/volume/drivers/eqlx.py", line 94, in __inner
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     res = gt.wait()
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 175, in wait
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     return self._exit_event.wait()
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 121, in wait
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     return hubs.get_hub().switch()
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 294, in switch
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     return self.greenlet.switch()
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 214, in main
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     result = function(*args, **kwargs)
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/local/lib/python2.7/dist-packages/cinder/volume/drivers/eqlx.py", line 211, in _ssh_execute
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     self._get_output(chan)
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx   File "/usr/local/lib/python2.7/dist-packages/cinder/volume/drivers/eqlx.py", line 189, in _get_output
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx     raise exception.VolumeBackendAPIException(data=msg)
>  2017-02-02 11:29:44.541 151491 ERROR cinder.volume.drivers.eqlx VolumeBackendAPIException: Bad or unexpected response 
>  from the storage volume backend API: The EQL array has closed the connection.
> 
>  In our case, we can get the error when we have more than 220 volumes
>  for both PS6110XV and PS5110XV model.
> 
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