From f2132c61bdbefcb28042e410fc157ebf4622f12a Mon Sep 17 00:00:00 2001
From: Takuya ASADA <syuu@scylladb.com>
Date: Tue, 26 Jun 2018 07:04:12 +0900
Subject: [PATCH] dist/common/scripts/scylla_setup: check disk is used in
 MDRAID

Check disk is used in MDRAID by /proc/mdstat.
---
 dist/common/scripts/scylla_setup | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dist/common/scripts/scylla_setup b/dist/common/scripts/scylla_setup
index 122354cc10..1da3dfc277 100755
--- a/dist/common/scripts/scylla_setup
+++ b/dist/common/scripts/scylla_setup
@@ -93,6 +93,12 @@ def get_unused_disks():
         s = out('swapon --show=NAME --noheadings')
         if len(re.findall(dev, s, flags=re.MULTILINE)) > 0:
             continue
+        # dev is used in MDRAID
+        if os.path.exists('/proc/mdstat'):
+            with open('/proc/mdstat') as f:
+                s = f.read().strip()
+            if len(re.findall(dev, s, flags=re.MULTILINE)) > 0:
+                continue
         unused.append(dev)
     return unused