EBS: EBS is store drive for EC2 Instances(just as hard drive). EBS is provide block level volume
storages for EC2 instances. EBS volumns are highly reliable and avialable drive that can be attached
with any instance that is in the same availibility zone.
All instances have its own volumns but after termination of the instance volums are also deleted.. but
EBS provide a comman volums that can be used with multple instances and the can share the storage, with an aditional volumes.
Volumes: root volumes and aditional volumes for instances. aditional volumes concern with EBS.
Snapshots: It is an Image to create a backups or used to create a duplicate
Step to handle it:
Step 1: Go to EC2 ---> click on Elastic block store
Contains with Volumes
Snapshots
Lifecycle manager.
Before I have Created a Windows Instance having 30 GB root storage that is also termed as EBS
volume or we can create another EBS volume SSD (In Physically we can tareget it as Hard drive but
aws provide a SSD service for EBS to increase High performance level )
Creation of New EBS volume:
Click on Create volume then fill the text area as per your demand.
IOPS: Input output per second (100/3000 by default)
Step 2: Create volume : now we have succesfully created volumes.
Snapshots: It it the important to know that if you have deleted volumes by mistake then you wont be
able to recover it so large organization always creating their backups and store all data and Volumes.
To create snapshot let take a example :
Step 1: Below Volumes there is an option named snapshot. click on it
Step 2: create snapshot chose your volume
Note: Id you want to create snapshot for your instance then click on instance.
Step 3: select you volume to snap.
It will take some time to complete you can delete it as well from the action nevigation bar.
We have successfully created a snapshot of EBS volume.
If we want to manage all lifecycle of Elastic block store(EBS) then click on Lifecycle manager.
Create Lifecycle policy
Data Lifecycle Manager enables you to automate the creation, retention, copy and deletion of EBS
snapshots and EBS-backed AMIs. It also enables you to automate cross-account snapshot copy actions for snapshots that are shared with you, based on Amazon CloudWatch events.
It will allow to create a periodic snapshot related to the policy
Step 1: I want to create a lifecycle of EBS so fill the information
IAM role : This policy must be associated with an IAM role that has the appropriate permissions.
Step 2: Set it by default.
Step 3: Set you policy schedule for a backups.then leave all option to defaults then click on create
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