Samsung Expert Center
RAID Data Recovery
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1 How It's Performed

For a recovery case, our technicians diagnose whether the fault is logical (deleted files, corrupted file system, failed update) or physical (clicking drive, unreadable sectors, water damage) first, since these need completely different recovery techniques — logical faults use data-recovery software on an image, physical faults need controlled hardware-level work.

Because RAID arrays stripe or mirror data across multiple drives, we work on a byte-for-byte image of each member disk before attempting reconstruction — the original array is never modified until recovery is verified.

Typical time: 2–48 hours depending on damage severity

2 What This Requires

• A sector-by-sector image/clone of the drive made before any recovery attempt — this is non-negotiable, since every recovery technique after this point works on the copy, not your only surviving copy of the data.
• A clear diagnosis of logical vs. physical failure, since the two require entirely different tools and techniques.
• For physically damaged drives: a controlled environment to avoid introducing further contamination while the drive is open.

3 When You Need This

• Files or folders have disappeared, a partition shows as "RAW" or unformatted, or the drive was accidentally formatted.
• The drive makes repetitive clicking or grinding noises — in this case, power it off immediately and stop using it rather than attempting more reads.
• The drive isn't detected by the system at all, or is detected but shows 0 bytes of capacity.