NAS or RAID Storage Array: storage metadata damage. Partition, RAID or translation records are overwritten or inconsistent.

The distinguishing clue

The physical disks appear but the expected volume layout does not.

Checks before an assessment

Record the storage system's alerts and which bays contain which drives. Do not initialise disks, change their order or begin a rebuild before assessing the array and backup state.

Stop point: Changing drive order or initialising disks can destroy recoverable array metadata.

Workshop confirmation and repair

Device-level check: Record drive order and array state, inspect each disk and preserve configuration before replacing anything.

Targeted check: Record disk order and image metadata before any rebuild or initialisation. If confirmed: Reconstruct from copies or recover files using the correct array parameters.

Repair boundary: Replace only the confirmed failed member and follow the correct rebuild or recovery process for that array.

Related cause to rule out

When health warnings, read retries or increasing bad blocks appear, also consider NAS or RAID Storage Array: worn storage media before choosing a repair.

Checks after the work

After repair or replacement, check share access, redundancy state, alerts, restart and backup verification.

For an AEPC repair assessment in East Auckland, provide the exact model and observed clue. Call 027 908 8880 before visiting the Burswood workshop.