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Questions tagged [kubernetes-rook]

This tag is for questions about Rook the storage orchestrator for Kubernetes. For questions about the R package Rook use the tag "r-rook"

Rook is a storage orchestrator for Kubernetes.

Rook turns distributed storage systems into self-managing, self-scaling, self-healing storage services. It automates the tasks of a storage administrator: deployment, bootstrapping, configuration, provisioning, scaling, upgrading, migration, disaster recovery, monitoring, and resource management.

For questions about the R package Rook use

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Rook ceph manager unhealthy on k3s cluster

Some time ago, I created a ceph cluster with rook on a single node k3s cluster, just to try and it worked very well. I was able to give storage to other pods through cephfs. I followed the example given in the rook quickstart documentation to do…
rootmout
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Rookv1.2 does not add labels on CrushMap

I'm currently working with Rook v1.2.2 to create a Ceph Cluster on my Kubernetes Cluster (v1.16.3) and I'm failing to add a rack level on my CrushMap. I want to go from : ID CLASS WEIGHT TYPE NAME -1 0.02737 root default -3 0.01369 …
Ryctus
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Kubernetes, Rook, and Ceph: CephFS not working

My problem In Kuberentes, I built a Ceph cluster with Rook, and Ceph is reporting healthy state (ceph -s). But when I write file (cp -r) with CephFS, the file's content in CephFS is null, while if I use mv | cp -a it is normal. My…
UniQ
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How does Rooks storage migration work under the hood?

Question: Could anyone point me to a source which explains how Rook executes its storage migration under the hood? Background: Rook is a cloud-native storage orchestrator often used in combination with Ceph. Rook automates tasks like scaling,…
User12547645
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Rook/Ceph data not synced normally between two clusters

I have two Rook Ceph clusters and made a replicated pool with RBD mirror, but the data not synced，next is the info [root@ceph-node5 tmp]# rbd mirror pool status replicapool --verbose health: WARNING images: 2 total 2 unknown rbd: newer…
xizhao
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microk8s kubernetes is not updating or self-healing

Yesterday, I had a working cluster of 7 nodes using microk8s for 180 days. This morning, I had to reboot all the cluster. Before the reboot, I deleted the rook operator. Usually, it restart automatically but not this time. This is why I rebooted all…
Eric Grenier
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The time zones in the ceph pod are not synchronized. Do you need to mind?

Kubernetes version: v1.25.3 rook version: v1.10.5 The time zone in the pod is different from that of the host. It is 8 hours slow in the pod. Do you need to deal with it? In pod timedatectl set timezone Asia/Shanghai But it recovered after restart
何呵呵
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The "ceph orch device ls" command reports an error. How can I handle it?

Kubernetes version: v1.25.3 rook version: v1.10.5 kubectl get pod -n rook-ceph Enter the pod to execute the command [root@usdp01 yml]# kubectl exec -it rook-ceph-tools-64b496884-9jpsx -- bash [root@rook-ceph-tools-64b496884-9jpsx /]# ceph orch…
何呵呵
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pvc not provisioning volume rook-cephfs

I deployed rook ceph on my local cluster and deployed all 3 storage options classes. I tried object storage and I can push files with s5cmd and pull them, but with block or file storage doesn't seems to work. I'm using their examples from…
Astin Gengo
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how to seperate traffic in Rook

AFAIK ceph have 2 specific trafic path: Traffic between client and ceph nodes, Traffic between ceph nodes (Inter Ceph-node). So, let say my network is like this Note : Kube-node-4 is a kubernet worker that do not take part as rook node. Just a…
Bino Oetomo
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Rook set filesystem type in StorageClass ceph-filesystem

I have deployed rook using the official helm charts. On my Kubernetes nodes, the host filesystem is xfs, but rook by default expects an ext4 filesystem. So I overwrote the parameter…
Ronny Forberger
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bluestore_mic_alloc_size not getting picked up by ceph daemons

I am applying this bluestore_min_alloc_size to 4096, no matter how I apply the setting, it not getting picked up by daemons, I have tried to restart all daemons pod also after applying the setting but no…
Hackaholic
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Rook Ceph Provisioning issue

I am having an issue when trying to create my PVC. It appears as though the provisioner is unable to create space. k describe pvc avl-vam-pvc-media-ceph Name: avl-vam-pvc-media-ceph Namespace: default StorageClass: …
Timothy Sutton
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rook-ceph provides PV also when there's no more capacity

I'm using rook-ceph in kubernetes. I deployed rook-ceph-operator and rook-ceph-cluster Helm charts. I have 5 worker nodes with 2 OSD each one. Each OSD has 100GB. So in total, I have 5*200GB = 1TB raw storage. In CephBlockPool I set replicated=3…
mrk
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Rook Ceph pods are not starting properly after Istio sidecar is enabled

We are facing an issue with rook-ceph deployment in Kubernetes when the istio sidecar is enabled. The problem is that the OSDs are not coming up because the crashcollectors are not getting initialized properly. It is stuck as shown below. rook-ceph …
Sunil Kpmbl
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