From 668f8b0b9ed5ebc49e87a961f1fe36e52af8de03 Mon Sep 17 00:00:00 2001 From: Dave Thomas Date: Sun, 23 Aug 2026 17:13:33 -0400 Subject: [PATCH 1/2] Update ODFNodeMTULessThan9000.md The promql should be updated to omit a number of other interfaces that have no consequence on ODF performance than just broadly checking all interfaces on a system. --- .../ODFNodeMTULessThan9000.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/alerts/openshift-container-storage-operator/ODFNodeMTULessThan9000.md b/alerts/openshift-container-storage-operator/ODFNodeMTULessThan9000.md index 255f095e..cab34586 100644 --- a/alerts/openshift-container-storage-operator/ODFNodeMTULessThan9000.md +++ b/alerts/openshift-container-storage-operator/ODFNodeMTULessThan9000.md @@ -28,11 +28,11 @@ ip link show ``` 3. Alternatively, use Prometheus: ```promql -node_network_mtu_bytes{device!~"^(veth|docker|flannel|cali|tun|tap).*"} < 9000 +node_network_mtu_bytes{device!~"^(veth|docker|flannel|cali|tun|tap|ovn-k8s-mp|br-|lo|ovs-system).*"} < 9000 ``` 4. Verify MTU consistency across all nodes and all switches in the storage fabric. ## Mitigation 1. Ensure the node network interfaces are configured for 9000 bytes -2. Ensure switches in between the nodes support 9000 bytes on their ports. \ No newline at end of file +2. Ensure switches in between the nodes support 9000 bytes on their ports. From 1b949c3d9dbef004f7328073b6764c814a5fd664 Mon Sep 17 00:00:00 2001 From: Dave Thomas Date: Sun, 23 Aug 2026 17:20:32 -0400 Subject: [PATCH 2/2] Update ODFNodeMTULessThan9000.md