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© 2025 Direct Cursus Technology L.L.C.
All solutions
    • All solutions for Managed Service for Kubernetes
    • Resolving the `Timed out waiting for the condition` error when mounting a PVC
    • Resolving the `Timed out waiting for the condition` error when mounting a volume with a large number of files
    • Hosts of the Managed Service for Kubernetes node groups stay in the `RECONCILING` status for a long time
    • Cyclical restarts of the `kube-dns-autoscaler` pod
    • Cannot reduce the number of nodes in a Managed Service for Kubernetes group
    • Cannot increase the number of nodes in a Managed Service for Kubernetes group
    • Resolving the `Multi-Attach error for volume` error
    • Resolving the `DEADLINE_EXCEEDED` error
    • Troubleshooting time synchronization issues on Managed Service for Kubernetes cluster nodes
    • Troubleshooting DNS name resolving issues in Managed Service for Kubernetes
    • Resolving the `0/10 nodes are available - node(s) had untolerated taint` error
    • The cluster remains in the `STARTING` status for too long
    • Cluster pods remain in the `PENDING` status for too long
    • Troubleshooting HPA issues in Managed Service for Kubernetes
    • Resolving the `Can't use allocation_policy.locations.subnet_id together with node_template.network_interface_specs` error
    • Troubleshooting issues when mounting volumes to Managed Service for Kubernetes cluster pods using Container Storage Interface for S3
    • Managed Service for Kubernetes cluster remains `STARTING` for too long after renaming
    • How to add and update Linux SSH keys on Managed Service for Kubernetes node group hosts
    • How to assign static external IP addresses to Managed Service for Kubernetes cluster nodes
    • How to provide Kubernetes nodes with internet access
    • How to create an internal Ingress controller
    • How to set up autodeletion of old images from Managed Service for Kubernetes nodes
    • How to find out the external IP address of a Managed Service for Kubernetes node
    • How to use Certificate Manager certificates in load balancers or in Managed Service for Kubernetes
    • How to change the time zone on Managed Service for Kubernetes cluster nodes
    • How to find out the ephemeral storage size for a Managed Service for Kubernetes node

In this article:

  • Issue description
  • Solution
  • If the issue persists
  1. Managed Service for Kubernetes
  2. Troubleshooting issues when mounting volumes to Managed Service for Kubernetes cluster pods using Container Storage Interface for S3

Troubleshooting issues when mounting volumes to Managed Service for Kubernetes cluster pods using Container Storage Interface for S3

Written by
Yandex Cloud
Updated at December 17, 2025
  • Issue description
  • Solution
  • If the issue persists

Issue descriptionIssue description

When attempting to mount a volume to the Managed Service for Kubernetes cluster pods using the csi-s3 driver, you get the following error message:

Warning FailedAttachVolume attachdetach-controller AttachVolume.Attach failed for volume "<volume_name>" : Attach timeout for volume <volume_name>
Warning FailedMount kubelet Unable to attach or mount volumes: unmounted volumes=[<volume_name>], unattached volumes=[<volume_name>]: timed out waiting for the condition

SolutionSolution

This issue most often occurs because the Managed Service for Kubernetes cluster uses an outdated csi-attacher version. Apply the current attacher.yaml version by running this command:

kubectl apply -f attacher.yaml

You may also need to update other csi-s3 components. Clone the repository with the current csi-s3 driver version locally, and then update the Managed Service for Kubernetes cluster components with these commands:

cd <folder_with_cloned_repository>
cd deploy/kubernetes
kubectl apply -f provisioner.yaml
kubectl apply -f attacher.yaml
kubectl apply -f csi-s3.yaml

If the issue persistsIf the issue persists

If the above actions did not help, create a support ticket. Provide the following information in your ticket:

  1. Managed Service for Kubernetes cluster ID.
  2. kubectl describe command output for the PVs, PVCs, and pods in question.

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Resolving the `Can't use allocation_policy.locations.subnet_id together with node_template.network_interface_specs` error
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Managed Service for Kubernetes cluster remains `STARTING` for too long after renaming
© 2025 Direct Cursus Technology L.L.C.