EFS Flashcards
EFS is an acronym for
Elastic File System
How many EC2 instances can and EFS be connected to?
Unlimited!
Is EFS available in all regions?
Nope.
Does EFS automatically scale?
Yes
The two EFS storage classes are
Standard
Infrequent Access
The two EFS performance modes are
General purpose
Max IOPS
Max IOPS EFS can do in general purpose mode?
7k
Performance mode you use will be determined by…
IOPS
The two EFS Throughput Modes are
Bursting
Provisioned
How do you gain credits in EFS bursting throughout mode?
By operating below your baseline
How do you spend credits in EFS bursting mode?
When operating above your baseline
Your running out of bursting credits. In EFS. What to do?
Switched to provisioned throughout mode.
Two methods for mounting EFS
EFS Mount Helper
Linux client.
How do you install EFS mount helper?
Command Line.
How do you encrypt data in transit on EFS?
Using TLS.
The mount helper can do this for you.
How do you encrypt at rest in EFS
Check the box on creation.
What does AWS data sync do?
Allow you to import data to EFS
You need to move EFS data between regions. The best way to achieve this is?
AWS Data Sync
EFS Bursting Throughput Mode: max burstsble speed?
100mibs
Requirements of an EC2 instance which you want to connect to EFS?
It must have EC2 mount helper installed
It must be in the same VPC
It must share a security group with the EFS instance
Is EFS fully managed?
Yes
Is EFS object storage or file system?
File system
EFS. If you want to access files at anytime, what storage class should you use?
Standard
True or false. EFS Infrequent access storage class is charged per read and right?
True.
It’s meant to encourage infrequent access.
EFS has two storage classes. Standard and Infrequent access. Do they have the same level of durability and reliability?
Yes.
Requirements of an EC2 instance which you want to connect to EFS?
It must have EC2 mount helper installed
It must be in the same VPC
It must share a security group with the EFS instance
EFS. What does lifecycle management do?
Automatically move files between the storage classes.
To make a file publically available in an EFS would require…
An EC2 instance to mediate
