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DOP-C02 · Question #376

When a user is detaching an EBS volume from a running instance and attaching it to a new instance, which of the below mentioned options should be followed to avoid file system damage?

The correct answer is A. Unmount the volume first. When a user is trying to detach an EBS volume, the user can either terminate the instance or explicitly remove the volume. It is a recommended practice to unmount the volume first to avoid any file system damage.

Submitted by kwame.gh· Mar 6, 2026Reliability & Resilience

Question

When a user is detaching an EBS volume from a running instance and attaching it to a new instance, which of the below mentioned options should be followed to avoid file system damage?

Options

  • AUnmount the volume first
  • BStop all the I/O of the volume before processing
  • CTake a snapshot of the volume before detaching
  • DForce Detach the volume to ensure that all the data stays intact

How the community answered

(34 responses)
  • A
    94% (32)
  • B
    3% (1)
  • D
    3% (1)

Explanation

When a user is trying to detach an EBS volume, the user can either terminate the instance or explicitly remove the volume. It is a recommended practice to unmount the volume first to avoid any file system damage.

Topics

#EBS#volume management#filesystem safety#instance management

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