Exam AWS Certified SysOps Administrator - Associate topic 1 question 395 discussion

Exam question from Amazon's AWS Certified SysOps Administrator - Associate

Question #: 395
Topic #: 1

[All AWS Certified SysOps Administrator - Associate Questions]

A company has an Amazon EC2 instance that supports a production system. The EC2 instance is backed by an Amazon Elastic Block Store (Amazon EBS) volume. The EBS volume's drive has filled to 100% capacity, which is causing the application on the EC2 instance to experience errors.

Which solution will remediate these errors in the LEAST amount of time?

A. Modify the EBS volume by adding additional drive space. Log on to the EC2 instance. Use the file system-specific commands to extend the file system.
B. Create a snapshot of the existing EBS volume. When the snapshot is complete, create an EBS volume of a larger size from the snapshot in the same Availability Zone as the EC2 instance. Attach the new EBS volume to the EC2 instance. Mount the file system.
C. Create a new EBS volume of a larger size in the same Availability Zone as the EC2 instance. Attach the EBS volume to the EC2 instance. Copy the data from the existing EBS volume to the new EBS volume.
D. Stop the EC2 instance. Change the EC2 instance to a larger instance size that includes additional drive space. Start the EC2 instance.

Show Suggested Answer

Suggested Answer: A 🗳️

by WinAndWin at Dec. 30, 2023, 1:48 a.m.

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LemonGremlin

Highly Voted 1 year, 6 months ago

Selected Answer: A

Modify the EBS volume by adding additional drive space. Log on to the EC2 instance. Use the file system-specific commands to extend the file system.

upvoted 5 times

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Student013657

Most Recent 1 year ago

Selected Answer: A

With Amazon EBS Elastic Volumes, you can increase the volume size without needing to detach the volume or restart the instance. This is the fastest and most efficient solution, as it allows you to expand the volume capacity and extend the file system without any downtime. The steps would be: 1. Log in to the EC2 instance. 2. Use the appropriate file system commands (e.g., `resize2fs` for ext4, `xfs_growfs` for XFS) to extend the file system to utilize the additional space. This is the least disruptive and quickest solution, as it does not require creating a snapshot, provisioning a new volume, or stopping the instance. The Elastic Volumes feature allows you to make the necessary changes to the EBS volume directly, with the changes taking effect immediately.

upvoted 3 times

Albanki

7 months, 1 week ago

Good explanation Adding to point 2: For Windows you would go to Disk Management and right-click the used portion of your disk and then choosing Extend Volume.

upvoted 1 times

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joshnort

1 year, 2 months ago

Selected Answer: A

A: Modify the EBS volume by adding additional drive space. Log on to the EC2 instance. Use the file system-specific commands to extend the file system. This allows you to extend the existing EBS volume's capacity directly without having to create new volumes or copy data. It's the quickest because it directly addresses the issue of the filled EBS volume, extending its capacity to resolve the errors without having to create new volumes or copy data. You can resize the EBS volume while it is attached to the running EC2 instance, and then extend the file system within the EC2 instance's operating system. This method does not require downtime for the EC2 instance or data migration. https://docs.aws.amazon.com/ebs/latest/userguide/ebs-modify-volume.html

upvoted 3 times

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