EBS Flashcards
EBS
Elastic Block Store
Block storage designed to be connected to EC2 instances
Volume sizing feature
EBS
Scalable volumes
EBS
Volume types (4)
EBS
- General purpose SSD
- Provisioned IOPS SSD
- Optimized HDD
- Cold HDD
EBS
Data loss protection
EBS
Optional snapshots
EBS
Availability
EBS
Redundancy in AZ
EBS
Optional feature
EBS
Encryption
EBS
Use Case
EBS Provisioned IOPS SSD
Low latency required applications
EBS Provisioned IOPS SSD
Use Case
EBS Cold HDD
Less frequently accessed data
EBS Cold HDD
moveability feature
EBS
can be attached and detached between instances
EBS
AZ limitation
EBS
can only be attached to instances in same AZ
EBS
Delete on termination
EBS
EBS is deleted when attached instance is terminated
EBS
root EBS default
Delete on termination
enable by default
Delete on termination
attached EBS default
Delete on termination
disabled by default
Delete on termination
option to change setting
Delete on termination
any time in EBS settings
Delete on termination
snapshots
EBS
point in time snapshot of EBS
EBS
AZ feature
snapshots
may copy snapshots across AZs
snapshots
archive tier
snapshots
tier of storage to save money at expense of recovery time
snapshots
recycle bin
snapshots
allow deleted snapshots to be restored
snapshots
FSR
snapshots
Fast Snapshot Recovery
expensive, full initialization of snapshot with no latency
snapshots
Volume types (3/4)
EBS
- General Purpose
- Provisioned IOPS
- Thoughput optimized HDD
- Cold HDD
EBS
General Purpose
EBS volume types
Low cost and good latency
EBS volume types
gp2
General Purpose
size and IOPS are linked
General Purpose
gp3
General Purpose
can increase IOPS and throughput independently
General Purpose
io1 / io2
EBS volume types
Provisioned IOPS
EBS volume types
Provisioned IOPS
EBS volume types
for sustained IOPS performance
EBS volume types
minimum IOPS
Provisioned IOPS
16000 IOPS
Provisioned IOPS
max IOPS
Provisioned IOPS
64000 IOPS
Provisioned IOPS
io2 Block Express max IOPS
Provisioned IOPS
256000 IOPS
Provisioned IOPS
EBS Multi-Attach
Provisioned IOPS
may attach up to 16 instances in the same AZ to the same drive
Provisioned IOPS
instance permissions
EBS Multi-Attach
full read and right
EBS Multi-Attach
use case
EBS Multi-Attach
cluster aware application
EBS Multi-Attach
filesystem requirement
EBS Multi-Attach
must be cluster-aware
EBS Multi-Attach
HDD limitation
EBS volume types
cannot be a boot volume
EBS volume types
st1
EBS volume types
Throughput optimized HDD
EBS volume types
use case
st1
large volumes of data
st1