Why Are Containers and Kubernetes a No-brainer for New Applications?

The software community has been looking for a platform to enable fast application development and flexible deployment. With Kubernetes, that search is over. Containerization along with Kubernetes orchestration is an app developer’s dream come true. Developers don’t need to worry if the application runs on-premises or within public clouds. Nor do they need to worry about deployment while building business logic. It makes the life of developers much easier when it comes to developing new applications faster and better.

In the last 20 years, computing has evolved from physical servers to virtual machines to containers. Containers are essentially stripped down versions of the Linux Operating System. A container is not a VM, and they typically run a single process. Container images are immutable, which prevents infrastructure drift.

Developed first by Google, Kubernetes is an open source orchestration system for containers that has become the de-facto standard for container orchestration.

What Is Container Orchestration?

Container orchestration involves handling deployment, scaling, load balancing, service registry, application configuration, monitoring, routing, etc. It helps: Actively manage workloads to ensure that their state matches the user’s declared intentions Make applications portable, easier to distribute and run, and faster to build with microservices architecture Scheduling containers on to nodes in a compute cluster Active monitoring, including health checks and restarting containers when needed

Do I Need to Protect My Containerized Application?

Docker and Kubernetes are great, but how do you provide governance, ensure compliance, and provide the resiliency that enterprises need for their business applications? Customers have the following goals with any business application: Meet the business requirements Make the application scale as business grows Prevent data corruption or data loss Quickly recover good data in case of corruption or data loss All of the above are as critical when it comes to new applications built using the microservices architecture. All the use cases — Backup and Recovery, Disaster Recovery, Dev/Test, Migration, Protection from Ransomware, etc.— are very much relevant for these new containerized applications just as they are for applications running within hypervisors.

Should I Back Up Stateless Containers?

At the advent of containers, users were primarily using containers in a stateless manner. As adoption grew, Kubernetes clusters started using stateful containers. Containers have two types of data: Business Data and Metadata. A stateful container has both business data and metadata, whereas a stateless container has only metadata. Metadata can be extremely important as well and needs protection too. Metadata controls how the container deploys, how it scales, what attributes it uses, what keys it uses, and so on. Metadata is critical for reinstating the application and is equally important to protect against engineered or natural disasters. Metadata is needed for true application recovery.

What Are the Key Considerations for Kubernetes Backup?

A backup and recovery solution for a Kubernetes application needs to consider the following: Application centricity Enterprise readiness Fast, reliable recovery Support for leading distributions Integration with container native tools

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August 5, 2021

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Cohesity and Veritas have joined forces!

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