The "partN-" prefix is actually kpartx's poorly chosen device-mapper
subsystem prefix string, so we have to learn to live with it.
---
pyanaconda/storage/udev.py | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/pyanaconda/storage/udev.py b/pyanaconda/storage/udev.py
index 20f3a88..02290c5 100644
--- a/pyanaconda/storage/udev.py
+++ b/pyanaconda/storage/udev.py
@@ -395,7 +395,13 @@ def udev_device_get_lv_attr(info):
def udev_device_dm_subsystem_match(info, subsystem):
""" Return True if the device matches a given device-mapper subsystem. """
uuid = info.get("DM_UUID", "")
- _subsystem = uuid.split("-")[0]
+ uuid_fields = uuid.split("-")
+ _subsystem = uuid_fields[0]
+ if _subsystem.lower().startswith("part") and len(uuid_fields) > 1:
+ # kpartx uses partN- as a subsystem prefix, which we ignore because
+ # we only care about the subsystem of the partitions' parent device.
+ _subsystem = uuid_fields[1]
+
if _subsystem == uuid or not _subsystem:
return False
--
1.7.2.3
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