EC2 EBS Resize & fstab Error Diagnostics

Data strictly extracted from official AWS troubleshooting documentation. Click the symptom below to get the targeted CLI remediation commands.

🚨 Step 1: What specific error symptom are you experiencing?

Please click the most accurate description:

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Quick Reference Table

#	Scenario	Key Error Signal	Primary Fix
5	Ext4 Resize Fails — Wrong Filesystem	Bad magic number in super-block	N/A
6	XFS Resize Fails — Wrong Mount Point	not a mounted XFS filesystem	N/A
7	Ext4 Resize Fails — Device Not Found	No such file or directory while opening /dev/xvdb1	N/A
8	fstab Error — Instance Unbootable Risk	Errors in the /etc/fstab file can render a system unbootable	sudo mv /etc/fstab.orig /etc/fstab