Stories Tag: persistent-volume-claim

K8s: Volumes & Claims — Part2. Continuing from our Part1 of the… | by Sandeep Baldawa | Nov, 2020 |...

admin 2 months ago in

Continuing from our Part1 of the series, let’s now take a look at Persistent Volume With this type of volume, we are instructing through a YAML file to connect to one of the cloud providers(EBS/persistent disk/SSD, etc. with Google/Amazon/Azure, etc.) for volumes. Wait a minute, since we are directly connecting with the volume on the cloud(no layer which is helping us manage the volume), don’t…

PV usage as metrics on GKE. In GKE there isn’t a straight way to… | by Hamdan Al-Radaideh | Sep,...

admin 4 months ago in

In GKE there isn’t a straight way to check up your volume size, usage or how much available storage you got left, this can lead to a serious problems especially in production environments. For me personally my Redis deployment got crushed on production due insufficient storage, that wake me up in the middle of the night to solve the issue up. GKE doesn’t provide you…

What are Kubernetes Persistent Volumes(PV), Persistent Volumes Claims(PVC) and Storage Class… | by Tayyab J | Aug, 2020 | Medium

admin 5 months ago in

What are Kubernetes Persistent Volumes(PV), Persistent Volume Claims(PVC) and Storage Class? Why are Persistent volumes needed? Let’s assume you have deployed an application which needs to store its data in a MySQL database pod or even simply in the pod filesystem, and in case of a failure in this situation when a new pod is started all of the previous data is gone. Because Kubernetes…

Kubernetes and Replicated StatefulSet with Real World Application | by Sandeep Kumar | Aug, 2020 | Medium

admin 5 months ago in

These days Cloud computing is growing very fast, reason behind is, automated application deployment, automated scale up/down of application and it’s hardware resource based upon workload, easy availability, resilient architecture and operation, respectively low cost in comparison to dedicated data centers. The hardware resource and physical devices sharing in Cloud computing emerges from a technology called virtualization. In this virtualization, normally a single bare metal…

Kubernetes Eğitimi-6 (Volume, PersistentVolume, PersistentVolume Claim) | by Mustafa Talha Bayram | Aug, 2020 | Medium

admin 5 months ago in

Teknoloji dünyasında en önemli şey data yani bilgidir. Bu dataların saklanması hayati öneme sahip olabilir. Kubernetes dünyasına bakacak olursak containerlar çöktüklerinde üretilen daha önce datalar silinir. Bu durum developerlar olarak bizim istemediğimiz bir durumdur. Bu yüzden volumelar ve persistent volume lar ile bu sorunun çözülmesi amaçlanmıştır. Öncelikle volume lardan bahsedecek olursak podun çökmesi durumunda dataların yok olmaması için dataları podun dışındaki volume larda depolarız. Böylece…

Persistence Volume Stuck at terminating – lwpro2 – Medium

admin 7 months ago in

Sometimes, PV and PVC could stuck at terminating. This is because there is a finalizer to protect the PV and PVC termination while there are still possible usage. For example, when I am trying to delete the PV both PV and PVC however are stuck for quite a while the resolution is to edit and remove the finalizers: then without the finalizers, it will let…

K8s PVC & Secret – Mansi Dadheech – Medium

admin 7 months ago in

Previously we learned about storage in aws and kubernetes.In continuation to that we are going to learn more about storage in kubernetes. If any pods goes down replica set can relaunch it but files what we created are completely destroyed as pods provide temporary storage.To make them permanent, while launching pod we can mount any folder to centralized storage. For mounting some directory with storage,…

Part 3/4: Using Block Devices for kubernetes volume, Understanding OpenEBS cStor

admin 8 months ago in

In this article I am going to explain you how to use linux block devices for kubernetes volume provisioning with the help of container attach storage tool OpenEBS. This will be the third part to this series. The links to my previous article are at the end. In part 1 and part 2 I have explained you how OpenEBS works and what are the different…