EFS - Elastic File System Flashcards
1
Q
What is an EFS?
A
Elastic File System, is a managed Network File System (NFS) that can be mounted on many EC2 instances
2
Q
Is EFS multi-AZ?
A
Yes
3
Q
How much does cost EFS compared to EBS GP2?
A
3x, it is pay per use
4
Q
Does EFS use SGs?
A
Yes, to control access to it
5
Q
What OS is compatible EFS with?
A
Just with Linux
6
Q
What encryption does EFS use?
A
at rest using KMS
7
Q
What is the initial capacity of EFS?
A
scales automatically, no capacity planning
8
Q
What are the 2 performance modes of EFS?
A
General purpose (web server, CMS) and Max I/O (big data, media processing)
9
Q
What are the storage tiers of EFS?
A
Standard and Infrequent Access (EFS-IA)
10
Q
How are managed the storage tiers on EFS?
A
using the lifecycle management feature where you can move file after N days
