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 ba7764d32e9c689e03939f2c17bde1be57ec844b..24cdfcdbed3a29f05c2beadd7f7b2bb04fd035c9 100644 (file)
--- a/monitoring/prometheus/alerts/ceph_default_alerts.yml
+++ b/monitoring/prometheus/alerts/ceph_default_alerts.yml
@@ -156,6 +156,7 @@ 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