Storage Flashcards
What does AWS Multi-Attach all you to do?
Attach the same EBS volumes to different EC2 instances
How many EC2 instances can connect to an EBS Multi-Attached volume
16
What storage type is needed for EBS Multi-attached?
Provisioned IOPs
Can you attach to an EBS volume in a different AZ?
No
IS EBS termination protection enabled by default?
No
Are root EBS volumes deleted on termination?
Yes
Can EBS volumes be extended while online?
Yes
What type of volume type is the default boot volume on an EC2 instance?
General Purpose SSD
What is the max IOS of EBS general purpose SSD?
16,000
How many IOPS does EBS provisioned provide per volume?
64,000
How many IOPS does EBS “Throughput Optimized” provide per volume?
500
Purpose of EBS “Throughput Optimized”?
Big data, data wharehouses, log processing
Purpose of EBS general purpose SSD?
Transactional workloads
Purpose of EBS provisioned IOPS?
NoSQL, relational databases
Purpose of Cold HDD?
Archiving
Can you use EBS “Throughput Optimized” or “Cold HDD” as a boot volume?
No
Where are EBS Snapshots stored?
S3
Do EBS snapshots keep all previous points in time?
Yes
If you take a snapshot of an EBS volume will it keep encryption?
Yes
If you stop a server on an “Insance Store” what will happen?
You will lose the data
What is a benefit of having an “Instance Store” disk?
The performance
If you restart a server on an “Insance Store” what will happen?
You will keep your data
When to use an “Instance Store”?
temporary data, distributed data, No cost
How can you check if an EBS volume is encrypted?
AWS Config
Can you share KMS Keys with other accounts once you have created the key?
Yes
If you want to see available space on an EBS volume, what do you install?
CloudWatch Unified Agent
Can Windows systems use EFS?
No
Can you connect to EFS outside of the VPC?
Yes
Does EFS get backed up?
Yes - by default
How do EFS Lifecycle policies help?
They move older data to “Infrequent storage”
What performance modes does EFS support
General and Max I/O
What EFS throughput mode scales with the system?
Bursting
What EFS throughput mode is fixed
Provisioned
Does EFS encrypt data at rest and transit?
Yes