OpenEBS

OpenEBS is a storage platform that provides persistent and containerized block storage for DevOps and container environments. www.openebs.io

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OpenEBS releases 0.8.1 with stability fixes and improved documentation

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OpenEBS 0.8.1

OpenEBS 0.8.1 is released today. In spite of being a tagged as a minor release, it has significant stability improvements and few important features. OpenEBS community is growing and we are receiving more feedback. Most of the issues fixed in this release are in response to the feedback received from the community. In this blog article, I will capture some important highlights of the 0.8.1 release, for more details on the actual bugs fixed, see release notes.

Upgrade recommendation:

We are recommending users of OpenEBS with cStor with Fedora 29 please upgrade to 0.8.1 as it contains an important fix that can increase the stability of the environment including avoiding possible node reboots by addressing underlying iSCSI and Kubernetes bugs. We are available to help on the community so please do get in touch if we can be of assistance.

Highlights of 0.8.1 release:

Stability fixes:

iSCSI discovery bug leading to Kubernetes node reboots:

Some community users reported that Kubernetes cluster is becoming unstable sometimes when OpenEBS is in use. We worked with community and debugged their issues to find the root cause. After deeper analysis, we found that Kubelet continues to increase in memory usage and finally resulting in that particular node going for a reboot, causing the cluster to becoming unstable. An issue has been reported already in Kubernetes on Kubelet, and in our case, same situation is being triggered from a different set of components, namely open-iSCSI and Fedora Kernel.

Here are more details:

  1. We discovered a bug Ferora 29’s Kernel . The kernel does not…

Read the complete article in MayaData’s Blog

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Published in OpenEBS

OpenEBS is a storage platform that provides persistent and containerized block storage for DevOps and container environments. www.openebs.io

Written by Uma Mukkara

Cloud-Native Chaos Engineering; CEO at ChaosNative; Maintainer of LitmusChaos project

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