From: Sage Weil <sage@redhat.com>
Date: Tue, 14 Apr 2015 16:32:22 +0000 (-0700)
Subject: mon: fix min variance calc in 'osd df'
X-Git-Tag: v9.0.1~131^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f3ce75c16422122a0b5eeca94be14310711798ce;p=ceph.git

mon: fix min variance calc in 'osd df'

If the reweight is 0, ignore the osd for the purposes of calculating the
min.

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index 306f84e1800a..5c5ecaed58a6 100644
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -652,9 +652,11 @@ protected:
 
     dump_item(qi, reweight, kb, kb_used, kb_avail, util, var, f);
 
-    if (!qi.is_bucket()) {
-      if (min_var < 0 || var < min_var) min_var = var;
-      if (max_var < 0 || var > max_var) max_var = var;
+    if (!qi.is_bucket() && reweight > 0) {
+      if (min_var < 0 || var < min_var)
+	min_var = var;
+      if (max_var < 0 || var > max_var)
+	max_var = var;
 
       double dev = util - average_util;
       dev *= dev;