monitoring: root volume full alert fires false positives

Fixes: https://tracker.ceph.com/issues/44780
Signed-off-by: Patrick Seidensal <pseidensal@suse.com>
(cherry picked from commit f8e347f771cdd1df512507685efb5300e1dc87d0)

diff --git a/monitoring/prometheus/alerts/ceph_default_alerts.yml b/monitoring/prometheus/alerts/ceph_default_alerts.yml
index a9b0560d4730b8ff9736d110c9377f39e25f44ec..35fc9f08b106d717b2cd67039349f5a246beccbd 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