Choosing the right storage for stateful workloads on Kubernetes

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Choosing Right Storage
for Kubernetes
Abhinivesh Jain
Distinguished Member of Technical Staff
12-Aug-2021

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About Me
@AbhiniveshJain
/abhiniveshjain
Author,
Speaker and
Blogger
Open Source
“Contributor”
Wor...

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Agenda
01
Stateful and
Stateless Workloads
02
Kubernetes
storage concepts
03
Storage fabric
option...

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01
Stateful and Stateless
applications
04
Choosing the right
storage
02
Kubernetes
storage concept...

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Stateful Vs Stateless workloads
01 02 03
04 05 06
Kubernetes
was originally
built for
stateless
wo...

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Agenda
01
Stateful and
Stateless Workloads
04
Choosing the right
storage
02
Kubernetes
storage con...

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Kubernetes storage concepts
1
2
3
4
5
Volumes
Persistent Volume (PV)
Persistent Volume Claim (PVC)...

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K8s Storage concepts- Volume
awsElasticBlockStore
azureDisk
azureFile
cephfs
cinder
configMap
down...

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Persistent Volume(PV)
apiVersion: v1
kind: PersistentVolume
metadata:
name: cncf-demo-pv
labels:
t...

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Persistent Volume Claim(PVC)
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: cncf-pv-c...

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Storage Class
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: cncf-ebs-sc
provis...

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HostPath
apiVersion: v1
kind: PersistentVolume
metadata:
name: cncf-demo-pv
labels:
type: local
s...

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Agenda
01
Stateful and
Stateless Workloads
04
Choosing the right
storage
02
Kubernetes
storage co...

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Cloud Native Storage Options
56 options as of 25th July 2021
Source: https://landscape.cncf.io/?c...

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Cloud Native Storage Options- CNCF Projects
Trivia: OpenEBS is used in production in CNCF.
Source...

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Cloud Native Storage Options- Graduated Project
Only Graduated Project in Cloud Native Storage la...

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Types of Kubernetes Storage
1
2
3
Traditional Solution with CSI plug-in
Software Defined Storage ...

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Agenda
01
Stateful and
Stateless Workloads
04
Choosing the Right
Storage Option
02
Kubernetes
sto...

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Decision Criteria
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Supports both VM and Contain...

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Agenda
01
Stateful and
Stateless Workloads
04
Choosing the right
storage
02
Kubernetes
storage co...

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Lesson Learnt
01
02
03
04
Shortlist max 5
solutions in the
beginning
Some limitations will
be kno...

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Common
Challenges

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Common Challenges
1
2
3
4
5
Fast changing area
Lack of support for VMs and Containers both
Error ...

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Agenda
01
Stateful and
Stateless Workloads
04
Choosing the right
storage
02
Kubernetes
storage co...

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Key Takeaways
03
Few vendors give their as-is commercial version
with several restrictions. This ...

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Wipro today
IT Services Revenue
in FY 2020-21*
Active
global clients*
Employee
Count*
Countries w...

Public
Thank you
for your time

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