diff options
| -rw-r--r-- | rtslib/target.py | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/rtslib/target.py b/rtslib/target.py index 4c06cf4..816be74 100644 --- a/rtslib/target.py +++ b/rtslib/target.py @@ -586,13 +586,23 @@ class LUN(CFSNode): self._check_self() path = "%s/alua_tg_pt_gp" % self.path - group_name = fread(path).splitlines()[0] - return group_name.split(':')[1].strip() + info = fread(path) + if info: + group_line = info.splitlines()[0] + return group_line.split(':')[1].strip() + return None def _set_alua_tg_pt_gp_name(self, group_name): self._check_self() path = "%s/alua_tg_pt_gp" % self.path + + info = fread(path) + if not info: + # pass through backends will not have setup the default + # ALUA structs in the kernel. + raise RTSLibError("This LUN does not support setting the ALUA Target Port Group") + try: fwrite(path, group_name) except IOError as e: |