Stack Overflow
Stack Overflow

Questions tagged [openebs]

OpenEBS is an open source storage platform that provides block storage for persistent container environments.

OpenEBS is an open source storage platform that provides block storage for persistent container environments.

78 questions
3
votes
0 answers

Is it possible to take S3 snapshots of OpenEBS Jiva live volumes? If so, how?

How can I take S3 snapshot of OpenEBS jiva volume which is being accessed regularly? Is there any pause on volume while taking the snapshot? Do you have a way to do this one?
Ranjith Raveendran
  • 167
  • 7
3
votes
2 answers

Where can I find the directories and files stored on my host(s) by OpenEBS?

I have installed OpenEBS with replica count 3 in a 3-node k8s cluster. I need to find where the files are being stored.
Vibhor Kumar
  • 33
  • 2
2
votes
3 answers

Replicate / synchronise kubernetes PV data across seperate kubernetes clusters

Can I replicate data between Kubernetes PV into two separate clusters situated in different data centers? I have a cluster with associated PV running in Primary site. I have a separate cluster running in DR site. How do I continuously replicate data…
Vij P
  • 57
  • 5
2
votes
1 answer

Pod gets into `ContainerCreating` State when the node goes down and it tries to get recreated on other node

I am facing an OpenEBS issue in my K8s Infrastructure which is deployed on AWS EKS with 3 nodes. I am deploying a statefulset of RabbitMQ with one replica. I want to persist the RabbitMQ pod data when the node goes down and the pod restarts on other…
Jay Kothari
  • 21
  • 1
2
votes
0 answers

Cannot add local k8s as cloud in juju

I have a three node cluster k8s which has been setup via kubeadm, I just heard about juju recently and I’m completely new. what I want is that to register my local k8s into my local juju node but as long as I go for registration I come across the…
AliReza NaSRi
  • 31
  • 4
2
votes
1 answer

Where is data stored in OpenEBS?

Setup -- OPENEBS version 0.6 I would like to know where OpenEBS stores data in Jiva. Where does it exactly store the data? Does it store locally on Kubernetes nodes mount path or on a disk attached to the pool.
Madhuri
  • 21
  • 1
2
votes
2 answers

Can we scale down/up OpenEBS Jiva replica count?

I am using OpenEBS 0.6 version and I want to do scale down/up of Jiva replica count for my different applications? Is it possible?
Ranjith Raveendran
  • 167
  • 7
1
vote
1 answer

How to put Nextcloud in kubernetes in maintenance mode

I'm trying to migrate my Nextcloud instance to a kubernetes cluster. I've succesfully deployed a Nextcloud instance using openEBS-cStor storage. Before I can "kubectl cp" my old files to the cluster, I need to put Nextcloud in maintenance mode. This…
Freek
  • 13
  • 4
1
vote
0 answers

Using Microk8s and OpenEBS cStor leads to an error when creating pool claims. Anybody know why this is occurring, and how to fix it?

I am using Microk8s (1.19, on Ubuntu 20.04.1 LTS) and am trying to use OpenOBS (cStor engine) for storage. Since I'm running this locally before pushing to prod, I created virtual block devices…
Namyts
  • 373
  • 1
  • 9
1
vote
1 answer

Cannot create a PVC after following OpenEBS installation instructions on a bare metal Kubernetes cluster with Calico

I tried my best to follow the instructions to create a bare-metal Kubernetes 1.18 cluster. I installed the Calico network. I joined another control-plane node to my cluster successfully. I installed OpenEBS using their instructions. I used Helm 3 to…
tacos_tacos_tacos
  • 10,277
  • 11
  • 73
  • 126
1
vote
0 answers

How does OpenEBS determine the location of my volume?

I am experimenting with OpenEBS as storage provider for our Kubernetes cluster. OpenEBS is installed via helm on a cluster consisting of 5 nodes, created by Rancher. It seems to work, however I don't really understand how the volume itself is…
denniss17
  • 35
  • 1
  • 6
1
vote
1 answer

OpenEBS cstore volume is very slow on delete and overwrite

I have an OpenEBS setup with 3 data nodes and a default cstore storage class. Creation of a file works pretty good: time dd if=/dev/urandom of=a.log bs=1M count=100 real 0m 0.53s I can delete the file and create it again with the quite the…
Peter Shaw
  • 1,867
  • 1
  • 19
  • 32
1
vote
2 answers

Starting open-iscsi service in rancher logs error

I'm testing Prometheus, with a cTor Storage Class with OpenEBS, in a Rancher 2.1 Cluster (1 node) with RancherOS running in Hyper-v. The cStor volume is not mounting, and the pod is launching a event: Unable to mount volumes for pod…
gabomgp
  • 769
  • 1
  • 10
  • 23
1
vote
0 answers

By default in OpenEBS NDM (Node Disk Manager) runs in privileged one. Can we run it in non-privileged mode in OpenEBS.

by default node disk manager container runs as a privileged one and on K8s cluster, we've implemented Pod security Policies(PSP) and this psp disallow containers running in privileged mode. Is there any other way to get the cStor disks from hosts…
Chandan Sagar Pradhan
  • 133
  • 7
1
vote
1 answer

OpenEBS Jiva volume went to Read Only due to Controller Pod got evicted

I am using OpenEBS 0.6.0 on k8s 1.12.0. Jiva volume went to read only due to controller pod got evicted. This happens when node was on low resource and Jiva controller is not doing any ephemeral storage requests but it just output a log file. With…
Ranjith Raveendran
  • 167
  • 7
1
2 3 4 5 6