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Frequently Asked Questions
Difference Between MajorUpgradeVersion, MinorUpgradeVersion and PatchUpgradeVersion
VLAN Not Getting Attached to the VF
Host stays in disconnected state with error "ERROR - Could not parse out socket information from /proc/cpuinfo, defaulting to 0"
etcd fails to start with "failed to read WAL, cannot be repaired"
Master node in schedulingDisabled state after updating "timeoutSeconds" for calico
How Can I Check The Current Disk Space Consumption By ETCD Database?
What is Qbert API? How Can I Use Qbert API?
Can One Add a Second Master Node to an Already Configured Single Master Node Cluster?
Draining a Kubernetes Node
Can we use Docker Storage Driver in loop-lvm Mode on PMK Cluster?
Kubernetes Event Disappears After 60mins
Changes to Pod Eviction Timeout Are Not Taking Into Effect
Can Hostname be Used To add a Node to the Cluster With pf9ctl CLI?
Can the Kubeconfig Token Validity be modified?
Why is it Necessary to Annotate Autoscaler Deployment With IAM Policy in AWS Cluster?
Can Hostnames be used Instead of IP Addresses for Kubernetes Nodes in the Cluster?
Is DNS Horizontal Autoscaling Supported?
Are Spot Instances Supported on AWS Cloud Provider?
Procedure to Cordon or Drain a Single Master Node Cluster for Maintenance Purpose?
Why is CoreDNS Resolving via Upstream Google DNS (8.8.8.8)?
Can Platform9 Take Over Management of an Existing Cluster
Can Nodes from Multiple Locations or Cloud Providers be added in a Single Cluster?
Recovery of a Single Master Node Within the Cluster
Is It Possible To Update/Modify Public SSH Key After Cluster Deployment?
Rollback/Recovery Procedure in case Kubernetes Cluster Upgrade Fails
Does PMK Cluster Upgrade Include Both Kubernetes and ETCD?
Does Platform9 Managed Kubernetes Support Multi-OS Ubuntu Host Versions in a Cluster?
Kubelet Port 10255 is not available on PMK clusters
Endpoints Required For PMK Cluster Creation
Can one Attach a New Node to the Cluster and Authorize it to be a Master Node Without Deleting and Rebuilding the Existing Cluster
Is EFK Logging Supported in Platform9 Managed Kubernetes?
Kubernetes API Endpoint Access Loss During Cluster Upgrade
Prioritize a Specific Master Node Running Keepalived Service Such That the VIP Will Raise on it if the Node Becomes Available
Does Qbert API Follow Cluster API Based Extensions Defined by the Cluster Lifecycle SIG?
Grafana Dashboard's Sign In Functionality Redirects Incorrectly
Does Kube-API Server Allow Requests on Port 8080?
Procedure to Allocate More Storage to Root Filesystem of a Pod
"logging before flag.Parse" Errors Observed For metrics-server POD.
API Service Preventing Namespaces from Deletion
Retrieve Node Configuration for Clusters Created Using Hostname
Changing Node IP Address/Interface
Pod is Stuck in the Terminating State
Unable To Add Node Due To "Device or resource busy"
What is the Maximum Nameservers on a PMK Node?
Does Metrics Server Need Requests and Limits?
Why Namespace Deletion is Stuck Due to Finalizers
Impact, Validation and Repair Action if pf9-nodeletd and pf9-comms Services are Down
Disable Continuous Pings From Nodes To Google DNS (8.8.8.8)
Impact If Worker Node Goes Down Where 'calico-kube-controllers', 'metrics-server', 'dashboard-metrics-scrape' and 'kubernetes-dashboard' Pods Are Running
Nodes Are Experiencing Disk Pressure
How to Check Certificate Expiry of the certificates deployed by Platform9 Managed Kubernetes?
AWS Launch Configuration Getting Deprecated.
Does Platform9 Support Enabling Kernel Parameter kernel.hung_task_panic?
List of Platform9 Public IPs and Repos to Whitelist in Firewall.
etcd backup fails with "error: the following arguments are required: cron_job_name"
Upgrading Kubernetes Cluster To v1.21 Fails With Error "/usr/bin/rm: No such file or directory"
Node went into NotReady state after updating CPU manager policy
How To Get Kubernetes Config Information And Token Details Using Kubectl Command
Scaling master nodes fails with error "waiting for etcd members to start"
Container keeps running on node after Kubernetes pod deletion
Not Able To Add New Nodes to PMK Cluster
ETCD Backup Job Warnings Seen In Kubelet Logs
How To Use Custom PVC For Prometheus Monitoring Addon From The Management Plane UI?
Cluster Upgrade From 1.20 to 1.21 Is Getting Failed Due To ETCD Corruption.
After Cluster Upgrade from 1.20 to 1.21, The Worker Nodes Are Losing Custom Labels.
Disabling Pf9-monitoring Addon Deletes Resources From The Monitoring Stack
Reduce The Number Of Privilege Escalations Using Sudo While Executing PF9 Scripts/Commands In The Workload Nodes.
During The MetalLB Version Upgrade To 0.13.7, Service IPs From Custom IPAddressPools [2nd] Getting Re-assgined.
Calico-kube-controller Pod Restarts Frequently Due To OOM- Memory Exhaustion.
Nodelet Phase got Stuck at Cert Generation Phase due to no Response from Vault.
"Error [ERR_TL S_CERT_ALTNAME_INVALID]: Hostname/IP Does not Match Certificate's altnames:" Which Breaks the Communication to Management Plane from Node.
Certificate Generation Fails Since Host CA Validity Is Less Than The Amount Of TTL With Which Certificate is Attempted To Be Generated In Vault
Multiple old CA cert Files Observed on Host After Host CA Rotation
Pods Deployed Using Multus Plugin Fail to Have Container Added to Network After Upgrading to Whereabouts:v0.6-pmk-6
False Alerts Generated by Alertmanager for KubePersistentVolumeErrors
Wrong Interface/IP Assigned For Kube-apiserver
Kubectl Commands Throwing Error Metrics Server Currently Unable to Handle Requests
Kubectl Commands Throwing Error: Metrics Server Currently Unable to Handle Requests
Getting Errors on Reverting MetalLB Addon to v0.13.7 From v0.13.11 Default version in 1.26 K8s
Pf9ctl Utility Fails With Segmentation Fault
Requirement to Change Platform9 Management Plane FQDN.
Alerting System for Management Plane Health.
IP-Reconciler Skips Next Pods if it Fails to Add IP to a Pod from the List
Clarity and Serenity Pods in CrashLoopBackOff due to OOMKilled
Self-Service users not able to view PVCs in the WebUI
How to Modify Logrotation Period in Management Plane
`streamingConnectionIdleTimeout` via DynamicKubeletConfig is not being respected by Containerd
How to set GOMAXPROCS parameter for all node-exporter pods
The certificate being used by the k8s API server on port 443 is an untrusted certificate.
ETCD not Initialising Over Masters due to Active Firewall
Nodelet Initiating Stop Chain on Failure due to Third Party Webhook
How to Implement Hierarchical Namespaces in PMK Workload Cluster
Dual Stack Support in Workload Cluster
Prohibit Root Containers in PMK Clusters
Can a Specific Subnet be Excluded From Calico IPPools?
Nodelet Phase failing at Cert Generation Phase.
Kubeconfig Invalidated after Kubernetes Cluster Upgrade of PMK Clusters
Node not Joining Cluster
Enable ETCD Encryption in Existing PMK Clusters
[Bug] Disabling pf9-luigi Addon Deletes Cert-Manager CRDs
Disabling MetalLB Addon in "InstallAddonError" Status Fails to Delete Resources on the Cluster
Key Parameters Evaluated During a Cluster Upgrade
ETCD Backup Error in the Management Plane UI
MetalLB ClusterAddon in Error State
Unable to Modify Existing default Apiserver Flags
Custom CertManager Pod in CrashLoopBackoff During Luigi Installation
Grafana Link in the UI is Redirecting to Management Plane Home Page
CertManager Installed as Part of Luigi Installation Impacting Custom CertManager
The Grafana Link For Clusters is Not Working, Lands Back on the UI's Manager page
DU VM is not Starting up due to Memory Exhaustion Over DU Host
Nodelet Failing at Configure Container Runtime Phase due to Unexpected Disk Mounts
Onboarding Fails for new Hosts on DU Having Dynamic Kubelet Configurations
CVE-2024-21626 for PMK 5.9.z Clusters
ALB as Load Balancer
Grafana UI Does not Load Metrics for 'Kubernetes' Dashboard for Clusters with Large Node Count
ETCD Recommendations for Platform9 Stack
How to set sysctl parameter for a privileged container?
KubeStateMetrics(KSM) Using Deprecated API version
Calico Kubeconfig Expires Causing Unauthorized Errors And Pods Creation is Failing
Etcdctl Command Fails if --cert, --cacert, --key flags Are Not Passed
etcd-backup job and etcd-backup-with-interval cronjob is not recreated after the cluster is upgraded to v1.22.9 if etcd encryption is enabled
How to set default EBS volumeType to GP3 for AWS cluster?
Node in NotReady state and nodelet phases stuck at "Configure and start kube-proxy" stage
How to Safely Shutdown and Restart a Kubernetes Cluster
API call for listing nodes in the "Unauthorized" state
Integrating Custom Container Registry with PMK Clusters
Hostagent Certificate Rotation Failing due to Comms Connection Failures
Enhancement of Logging Capabilities for Platform9 Web UI and API Access
Disable Platform9 Managed Monitoring Deployments
Tenant Switching Through UI Loads After Significant Delay
Password-based Kubeconfigs Should be Functional Even When the Management Plane is Unavailable
Kubectl Exec Command is Failing Intermittently With i/o Timeout Error
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