In short: Treat disk, RAID and hardware alerts as early warnings. Identify the exact component and array state, verify backups, and coordinate replacement before attempting a rebuild or repeated reboot.
Capture the alert
- Record the server identifier, date and time.
- Save the complete controller, SMART, kernel or IPMI message.
- Identify the physical slot, device serial number and array or pool.
- Note any performance, filesystem or application symptoms.
Check redundancy carefully
Terms such as degraded, rebuilding, predictive failure and failed have different implications. Confirm how many failures the layout can tolerate and whether another device is showing errors before replacing anything.
Before replacement or rebuild
- Verify a current independent backup and a recovery route.
- Confirm the replacement device is compatible and at least the required capacity.
- Identify the correct physical member—do not rely on an ambiguous Linux device name alone.
- Schedule for reduced performance and elevated risk during rebuilding.
- Stop unnecessary heavy I/O where appropriate.
Monitor the rebuild
Watch controller state, error counters, temperature and application health. Do not assume completion because the server remains online. Afterward, run appropriate consistency checks and confirm monitoring has returned to normal.
Contact Virgo Networks
For dedicated-server hardware, open a Technical ticket with the captured details before physical intervention. For colocated customer-owned equipment, request remote hands or arrange authorised access.
