monitoring: root volume full alert fires false positives

Fixes: https://tracker.ceph.com/issues/44780
Signed-off-by: Patrick Seidensal <pseidensal@suse.com>

diff --git a/monitoring/prometheus/alerts/ceph_default_alerts.yml b/monitoring/prometheus/alerts/ceph_default_alerts.yml
index 16fa4f2dc939e4c0024b2b9e964607ce1452996a..43301b178649f9a9e224ff20f55ec7cd09854ab7 100644 (file)
--- a/monitoring/prometheus/alerts/ceph_default_alerts.yml
+++ b/monitoring/prometheus/alerts/ceph_default_alerts.yml
@@ -166,6 +166,7 @@ groups:
     rules:
       - alert: root volume full
         expr: node_filesystem_avail_bytes{mountpoint="/"} / node_filesystem_size_bytes{mountpoint="/"} * 100 < 5
+        for: 5m
         labels:
           severity: critical
           type: ceph_default