monitoring: Use null yaxes min for OSD read latency

According to seriesOverrides that negative-Y for read param there shouldn't be a minimum for yaxes

Signed-off-by: Seena Fallah <seenafallah@gmail.com>
(cherry picked from commit 0fd28f646c50e97d36bac2359c4529438fbb0d9f)

diff --git a/monitoring/grafana/dashboards/osd-device-details.json b/monitoring/grafana/dashboards/osd-device-details.json
index 8b819e90220655983ce3195301433d3beb69f182..deb6ed7d2b3a9b1cd9a7830a5bab49cbd28d45cb 100644 (file)
--- a/monitoring/grafana/dashboards/osd-device-details.json
+++ b/monitoring/grafana/dashboards/osd-device-details.json
@@ -126,7 +126,7 @@
           "label": "Read (-) / Write (+)",
           "logBase": 1,
           "max": null,
-          "min": "0",
+          "min": null,
           "show": true
         },
         {