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Amazon Elastic Block Storeby
Cloud Computing Training Company
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About Agoge Labs
Hardcore Cloud Training
Focused on Amazon Web Services & Big
Data
Architects with Passion on training
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What is Amazon Elastic Block Store ?
Block Level Storage volumes
Network attached
Persistent storage
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Amazon Elastic Block Store
EBS Volume can only be attached to oneinstance at a time
Many EBS volumes can be attached to a
single instance
If an instance fails or is detached from
an Amazon EBS volume, the volume can
be attached to any other instance in
that Availability Zone
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Features
High performance file system
Flexibility: 1GB to 1TB
Availability: Replicated within a
Availability Zone
Security: Private to your EC2 instances
Performance: EBS Optimized + PIOPS
Backups: Point in time snapshots
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Standard vs Provisioned IOPS
Standard Volumes are suitable for Boot Volumes
Moderate and Bursty IO
Sequential IO
Provisioned IOPS Volumes are suitable
for Transactional applications
High & consistent IO
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Common Use cases
EBS is suitable for : Databases : MySQL, Oracle , SQL etc
File System: XFS, Ext 3 , Ext 4
NoSQL : MongoDB
Applications : Microsoft exchange
Search : Apache Solr Network File Systems : GlusterFS, Cerph
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Monitoring EBS
Pre selected metrics in CloudWatch formonitoring EBS
Read/Write Bytes
Read/Write Ops Total read/write time
Idle time
Queue length
Throughput %
ConsumedReadWriteOps
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Performance : EBS Optimized
EBS Optimized have dedicatedbandwidth
EC2 EBS optimized instances are:
M1.large (500 Mbps)
M2.Xlarge(1 Gbps)
M2.4Xlarge(1 Gbps)
More instance types are in roadmap EBS optimized are better
choice for Std
or provisioned IOPS volumes
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Performance : EBS Striping
Stripe Multiple EBS Volumes forperformance
RAID 0:
Popular approach on AWS
Supports Std & Provisioned IOPS 10s of thousands IOPS
Increased IO and bandwidth
RAID 1+0:
Not very popular like RAID 0
Fault tolerance is critical
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Performance : Queue Depth
Queue Depth : maintains the number ofpending I/O requests
Queue Depth of 5 per 1000 IOPS is
recommended
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EBS Volume Durability
Highly available & reliable
Volume data Replicated across multiple
servers in an Availability Zone
Snapshots to s3
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EBS Snapshots
Point in time snapshots Written to S3 ( not to buckets)
Incremental backup
Create new volume from snapshots
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EBS Snapshots Best practices (2)
Snapshot from read replica or slaves It reduces impact on your
master
Snapshots during off peak usage
Snapshot every major deployments
Use XFS for consistent snapshot
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EBS - Free Tier
30 GB of storage
2 million I/O
1 GB of Snapshot storage
Refer : aws.amazon.com/ebs for latest
info
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Contact Agoge Labs
If you need training on Amazon Web Services,contact us:
[email protected]
Connect with us @www.twitter.com/agogelabs
www.slideshare.net/agogelabs
Visit us @www.agogelabs.com
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