determine available raid levels based on what modules are available

1 files changed, 21 insertions, 0 deletions

diff --git a/raid.py b/raid.py
index c0b616763..d50dd203a 100644
--- a/raid.py
+++ b/raid.py
@@ -196,3 +196,24 @@ def lookup_raid_device(mdname):
             return (dev, devices, level, numActive)
     raise KeyError, "md device not found"
 
+def getRaidLevels():
+    avail = []
+    try:
+        f = open("/proc/mdstat", "r")
+    except:
+        pass
+    else:
+        for l in f.readlines():
+            if not l.startswith("Personalities"):
+                continue
+            for tok in l.split():
+                for lev in ("RAID0", "RAID1", "RAID5", "RAID6"):
+                    if tok.upper().find(lev) != -1:
+                        avail.append(lev)
+
+        f.close()
+
+    return avail
+
+
+