Fix mdadm.conf error message and add RHEL/CentOS notes

[kaliti]

Updated error message to use printf and added instructions for RHEL/CentOS.

[learn-build-service-prod]

Learn Build status updates of commit b37a2a0:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/virtual-machines/enable-nvme-temp-faqs.yml	✅Succeeded

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[prmerger-automator]

PRMerger Results

Issue	Description
Yaml File(s)	This PR includes changes to .yml file(s) owned by another author.

[Copilot]

Pull Request Overview

This PR fixes a shell scripting error and adds documentation for RHEL/CentOS-specific instructions related to NVMe temporary disk configuration. The change corrects an incorrect use of print to printf in a bash script and provides additional guidance for handling distribution-specific differences.

• Fixed print command to printf in bash script error handling
• Added RHEL/CentOS-specific instructions for initramfs regeneration
• Added guidance for creating mdadm.conf file when missing

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[Copilot]

The word 'distributives' should be 'distributions'.

Suggested change

	For RHEL/CentOS based distributives, replace `update-initramfs -u` to `dracut --force` to regenerate initramfs file.
	For RHEL/CentOS based distributions, replace `update-initramfs -u` to `dracut --force` to regenerate initramfs file.

[Copilot]

The phrase 'using commands' is followed by a single command, not multiple commands. Consider changing to 'using command:' or 'using the following command:' for clarity.

Suggested change

	If script stops execution with "Couldn't find mdadm.conf file", then you can create mdadm.conf file using commands:
	If script stops execution with "Couldn't find mdadm.conf file", then you can create mdadm.conf file using the following command:

[ttorble]

@ju-shim

Can you review the proposed changes?

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@MicrosoftDocs/public-repo-pr-review-team