Bug 912210

Summary: Got python call trace when creating pscsi storage object in targetcli.
Product: Red Hat Enterprise Linux 6 Reporter: Gris Ge <fge>
Component: fcoe-target-utilsAssignee: Andy Grover <agrover>
Status: CLOSED ERRATA QA Contact: Bruno Goncalves <bgoncalv>
Severity: medium Docs Contact:
Priority: high    
Version: 6.4CC: bgoncalv
Target Milestone: rcKeywords: Regression, ZStream
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: python-rtslib-2.1.fb21-2.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-11-21 22:27:19 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 883516, 917478    

Description Gris Ge 2013-02-18 06:18:40 UTC
Description of problem:
=======
/> /backstores/pscsi create tmp_disk /dev/sdk 
Note: block backstore recommended for SCSI block devices
Traceback (most recent call last):                      
  File "/usr/lib/python2.6/site-packages/configshell/shell.py", line 990, in run_interactive                        
    self._cli_loop()                                                                                                
  File "/usr/lib/python2.6/site-packages/configshell/shell.py", line 813, in _cli_loop                              
    self.run_cmdline(cmdline)                                                                                       
  File "/usr/lib/python2.6/site-packages/configshell/shell.py", line 934, in run_cmdline                            
    self._execute_command(path, command, pparams, kparams)                                                          
  File "/usr/lib/python2.6/site-packages/configshell/shell.py", line 909, in _execute_command                       
    result = target.execute_command(command, pparams, kparams)                                                      
  File "/usr/lib/python2.6/site-packages/targetcli/ui_node.py", line 84, in execute_command
    pparams, kparams)
  File "/usr/lib/python2.6/site-packages/configshell/node.py", line 1405, in execute_command
    result = method(*pparams, **kparams)
  File "/usr/lib/python2.6/site-packages/targetcli/ui_backstore.py", line 185, in ui_command_create
    so = PSCSIStorageObject(name, dev)
  File "/usr/lib/python2.6/site-packages/rtslib/tcm.py", line 264, in __init__
    self._configure(dev)
  File "/usr/lib/python2.6/site-packages/rtslib/tcm.py", line 273, in _configure
    parent_hostid = self.backstore.index
AttributeError: 'PSCSIStorageObject' object has no attribute 'backstore'
=======

Version-Release number of selected component (if applicable):
fcoe-target-utils-2.0rc1.fb16-3.el6.noarch

How reproducible:
100%

Steps to Reproduce:
1. targetcli /backstores/pscsi create tmp_disk /dev/sdk 
2.
3.
  
Actual results:
python call trace

Expected results:
no python call trace

Additional info:

Does "pscsi" not support anymore? If so, please remove it warn user to use block storage object.

Comment 6 Andy Grover 2013-03-01 18:36:25 UTC
Note: bug is/was in python-rtslib pkg, which is used by targetcli.

Comment 9 Bruno Goncalves 2013-08-14 11:52:42 UTC
Verified on rpm -q python-rtslib
python-rtslib-2.1.fb21-3.el6_4.noarch


# targetcli /backstores/pscsi create tmp_disk /dev/sdb
Note: block backstore recommended for SCSI block devices
Created pscsi storage object tmp_disk using /dev/sdb


# targetcli ls
o- / ......................................................................................................................... [...]
  o- backstores .............................................................................................................. [...]
  | o- block .................................................................................................... [0 Storage Object]
  | o- fileio ................................................................................................... [0 Storage Object]
  | o- pscsi .................................................................................................... [1 Storage Object]
  |   o- tmp_disk ........................................................................................... [/dev/sdb deactivated]
  o- loopback .......................................................................................................... [0 Targets]



targetcli saveconfig
Configuration saved to /etc/target/saveconfig.json

# service fcoe-target restart
   Deactivating FCoE Target... done
   Unloading FCoE Target modules... done
   Unmounting configfs... done
[  OK  ]
Starting FCoE Target: 
   Loading modules... done
   Mounting configfs... done
   Applying saved config... done
[  OK  ]

# targetcli ls
o- / ......................................................................................................................... [...]
  o- backstores .............................................................................................................. [...]
  | o- block .................................................................................................... [0 Storage Object]
  | o- fileio ................................................................................................... [0 Storage Object]
  | o- pscsi .................................................................................................... [1 Storage Object]
  |   o- tmp_disk ........................................................................................... [/dev/sdb deactivated]
  o- loopback .......................................................................................................... [0 Targets]

Comment 10 errata-xmlrpc 2013-11-21 22:27:19 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-1683.html