A technician is replacing a failed drive in a RAID 5 array. Which of the following is the first step the technician should take before hot swapping the drive out of the array?
A ,B, C are 100% wrong answers
The answer is D. Perform a full backup.
Before replacing a failed drive in a RAID 5 array, the technician should perform a full backup of the data on the array to ensure that no data is lost during the hot swapping process. Hot swapping is the process of replacing a drive without shutting down the system or the array, which allows for faster recovery and minimal downtime. However, hot swapping also involves some risks, such as accidentally removing the wrong drive, damaging the new drive, or encountering another drive failure during the rebuild process. Therefore, performing a full backup is a precautionary measure that can prevent data loss in case of any unexpected errors or complications
The other options are not the first steps that the technician should take before hot swapping the drive. Documenting the replacement date is a good practice, but it is not as important as backing up the data. Shutting down the array is not necessary for hot swapping, and it may cause more disruption to the system or the users. Safely disposing of the failed drive is a step that should be done after replacing it, not before.
B. Shut down the array is the first step the technician should take.
Before hot-swapping a drive in a RAID 5 array, it's crucial to shut down the array to prevent data corruption. This ensures that the RAID controller can properly handle the drive removal and replacement process.
GG
why D?... the parity on RAID 5 will return data back through RAID synchronization. All you need to do is to make sure the RAID is shut down (even though it's hot swappable) just to ensure that there is no active reading/writing on the corrupt desk. Answer is B
If the RAID array supports hot swapping, then it's not necessary to shut down the entire system before replacing a failed drive. Hot-swappable drives allow for safe removal and replacement of drives without interrupting system operation.
However, it's important to note that not all RAID arrays support hot swapping. If the array doesn't support hot swapping, or if the technician is unsure about the array's capabilities, it's best to shut down the system to avoid data corruption.
Therefore, the technician should first check the documentation or consult with the vendor to determine if the RAID array supports hot swapping. If it does, they can proceed with the replacement without shutting down the system.
GG
The correct answer is B. Shut down the array.
Before replacing a drive in a RAID 5 array, the technician should first shut down the array to ensure the following:
· The array is not actively writing data to the failed drive.
· The array is not in a state of rebalancing or rebuilding.
· The technician can safely remove the failed drive without causing further data corruption or loss.
Here's why the other options are not the first step:
A. Documenting the replacement date (A) is important for maintenance records, but it's not the first step.
C. Safely disposing of the failed drive (C) is important for data security and environmental reasons, but it's not the first step.
D. Performing a full backup (D) is a good practice, but it's not necessary before replacing a drive in a RAID 5 array, as the array is designed to tolerate a single drive failure.
Shutting down the array ensures the technician can safely replace the failed drive without risking further data loss or corruption.
When hot swapping a faulty disk out, take extreme caution not to remove a healthy disk from the array as making a mistake could cause the array to fail, depending on the configuration. Disk failure is normally indicated by a red LED. Always make a backup beforehand.
The answer is D. Perform a full backup.
Before replacing a failed drive in a RAID 5 array, the technician should perform a full backup of the data on the array to ensure that no data is lost during the hot swapping process. Hot swapping is the process of replacing a drive without shutting down the system or the array, which allows for faster recovery and minimal downtime.
First step to consider is to document the replacement date to keep record of when the drive was replaced, then other steps can follow.
Documenting a replacement date helps with tracking changes, future troubleshooting and maintenance, which aids in RAID array management.
Something to keep in mind, the last step of Comptia troubleshooting steps is documenting.
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