The file system is mounted read-only and the scripts fail.
Probable causes
- disk error
- corruption filesystem
- protection
Verifications.
- Read dmesg — Search for I/O error and filesystem/Val.
- Identify Mount — Check current options.
- Save – Preserving data before repair.
Commands
mount
dmesg | tail -100
Solutions.
- Replace failed disc
- Repair filesystem offline
- Remount after validation
When to climb?
Scalate immediately if storage shows hardware errors.