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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.

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How to add a device in an existing storagePoolClaim in OpenEBS?

How do I add a device in an existing storagePoolClaim? I thought I could just edit the spc and add the disk to it, but I do not see the disk reformated as it should be.
Chandan Sagar Pradhan
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How to remove old snapshots from /var/openebs on servers?

What are the steps to remove the old snapshots from the directory /var/openebs
prabhat
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Is it possible to use Litmus to test kafka

Is it possible to use Litmus to test kafka? basically some test to figure out what happens in various scenarios. Initial thoughts are: deploying confluent helm chart for kafka and checking brokers gets Storage bound successfully Kill broker and…
Ranjith Raveendran
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How can I create a OpenEBS cstor pool?

Setup -- OpenEBS 0.7 K8S -- 1.10, GKE I am having 3 node cluster with 2 disks each per node. Can I use these disks for cstor pool creation? How can I do that? Should I have to manually select the disks?
Ajesh
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Does OpenEBS support Nomad as orchestration platform?

I'm curious whether OpenEBS supports Nomad as orchestration platform? I haven't found any information in github repo except these few jobspecs https://github.com/openebs/elves/tree/master/nomad
Ranjith Raveendran
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How to get the used space by client in OpenEBS?

Setup JIVA OpenEBS 0.5.3 I’ve been taking a look at the Prometheus metrics exported and I’m not seeing a metric for the used space from the perspective of the client. I’m seeing ‘OpenEBS_logical_size’ and ‘OpenEBS_actual_used’ but they both appear…
Ajesh
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What is hostdir type for storage pool in OpenEBS?

I've found the documentation hard to find, such as "type: hostdir" for storage pools. What is hostdir? Is this the only type of pool OpenEBS supports?
Sumit Lalwani
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How to ensure that data written from application is synced to disk with ext4 in OpenEBS?

The data is not visible after the restart. I am guessing that data is passed for replica to write, which in turn puts into ext4. But before ext4 can sync the data to disk, node reboots and data is not pushed down to EBS disks. Is there a way out of…
Pawan
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Why OpenEBS mount path is still available on host machine even after deletion of PVC?

I have deleted PVC, but it shows that OpenEBS mount folder is still present with the PVC folder name and data. This is not releasing space on my host machine. Why it is so?
nsathyaseelan
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How does the Jiva Volume Folder structure looks like? what are the files inside the folder

I have deployed one OpenEBS volume and seeing some default files like volume-head.img, volume-snap.img etc. I need to understand the folder structure of Jiva volume. I am assuming volume-snap.img is for snapshot. Is it a safe approach to keep…
Giriprasad
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How do I can expand the Jiva Storage Volumes in OpenEBS?

I have created OpenEBS volume with 55GB initially which is mounted on my host. Now I need to expand it to 75GB. Is it possible to expand the same? If possible,Is there any impact for my application during the change?
Shivesh Abhishek
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How do I check rebuild is complete after losing a replica?

I am using OpenEBS with Jiva. I have MySQL pod running on OpenEBS with 3 replicas. My DB is around 10GB with the actual volume size ~30GB After I lose a replica, new replica span up. Assuming that it starts replicating data immediately; 1) How do I…
prabhat
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Is there any benefit of using Helm installation method while installing OpenEBS?

If the installation of OpenEBS can be completed with a single command, why would a developer use helm install ? (It is probably more a helm benefits question). I'd like to understand the additional benefits OpenEBS charts can present to a helm user,…
karthiks
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How to destroy OpenEBS cluster?

I have installed OpenEBS cluster with 0.5.4 version and playing with it. Now I want to delete the cluster and want to deploy latest OpenEBS 0.6.0 version so I can test latest features like snapshot,node selector etc. So how to destroy my existing…
Ajesh
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What are the supported backend filesystems (storage pools) for OpenEBS Jiva Volumes?

What are the filesystems on the node mount-points on which Jiva replicas can be created.
Karthik s
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