Czy wolisz polską wersję strony elektroda?
Nie, dziękuję Przekieruj mnie tamSeagate ST1000LM035 - sudden death
• “Sudden-death” of a Seagate ST1000LM035 (Rosewood family) is almost always a hardware-level fault—typically firmware corruption of the System Area/translator, read-write head failure, or PCB power-train damage.
• DIY recovery is limited to checking cables, TVS diodes and power, but >90 % of these drives that stop spinning or stay “BSY/0 GB” need clean-room or PC-3000-class intervention.
• If data matters: power the drive off now and engage a professional data-recovery lab; every additional power-on can damage the platters irreversibly.
Device background
• Model: ST1000LM035, 1 TB, 2.5 ″ SATA, 7 mm height, Rosewood platform (2016-).
• Architecture: adaptive ROM (on-board), surface firmware modules on platter (System Area), eight-head HSA, SM2258-based MCU, integrated media cache. Rosewood’s high areal density + aggressive power management makes it sensitive to voltage drops and head crashes.
Dominant “sudden death” failure modes
a. Firmware / translator corruption (≈ 45 % of lab cases)
– Signature: spins up normally, no clicks, but BIOS shows 0 GB or stays BUSY; SMART inaccessible.
– Root cause: module 03 or 0C corruption after an unclean power-loss; MCU enters panic (“LED:000000CC FAddr:0025BFCD”).
b. Head-stack or pre-amp failure (≈ 35 %)
– Signature: rhythmic clicking 3–10 times, spin-down; sometimes quiet beeps.
– Head can’t read SA, controller retries endlessly.
c. PCB power-train / TVS / SMOOTH chip failure (≈ 15 %)
– Signature: absolutely silent drive; or burnt smell / shorted +5 V TVS diode near J2.
d. Spindle seizure / stiction (≈ 5 %)
– Signature: faint buzz but no rotation; platter inertia absent. Often occurs after a drop.
Why ordinary software cannot help
• Logical tools (chkdsk, Recuva, ddrescue) need block access. When firmware or heads are down the drive never reaches “Ready”, so the OS cannot issue even a single ATA read.
• Rosewood service area is vendor-locked; only serial-terminal commands via PC-3000/MRT/DFL can bypass it.
Interaction between failures
• Each power-cycle with failing heads raises the chance of head/platter contact; magnetic coating is <10 nm— one scratch destroys thousands of LBAs.
• If the MCU detects repeated SA-read errors it can automatically disable heads and “park” ‑> 0 GB symptom, so logical “firmware” failures often start as mechanical ones.
• 2023–24 field data (Gilware, BlizzardDR, ZeroAlpha) confirm Rosewood translator corruption is the #1 inbound Seagate case.
• Seagate’s current firmware (EPMA4+) reduced cache-flush events, but ST1000LM035s already shipped are unaffected; Seagate does not offer user-flashable fixes.
• Industry trend is migration to SSDs; mobile SMR/SATA HDDs receive minimal firmware updates, so long-term reliability is stagnant.
Audible diagnosis matrix:
| Sound pattern | Likely fault | Safe user test | Professional remedy |
|---|---|---|---|
| No spin, no vibration | PCB or TVS | Measure 5 V rail, remove shorted diode (if confident) | ROM swap to donor PCB |
| Normal spin, forever busy | FW translator | None—do NOT hot-swap PCB; data cable OK | PC-3000, SA rebuild |
| 3–8 rhythmic clicks, spin-down | Heads | None (power off) | Clean-room head swap, micro-jog alignment |
| Buzzing/stuck | Spindle | None | Platter transplant to donor base/motor |
Electrical detail: the ST1000LM035 PCB (board-ID 100838453-REV A/B) has two TVS diodes: D4 (12 V, unused on laptop) and D5 (6.1 V). A dead-short D5 reads ≈ 0 Ω across +5 V-GND.
• Opening a drive outside a certified ISO-14644 clean room risks irreversible data loss; misrepresenting those capabilities to a client may breach consumer-protection laws.
• For corporate or personal data subject to GDPR/CCPA, chain-of-custody must be maintained; choose labs that issue signed NDAs and secure-erase remnants.
• No home freezer, platter-swap or “tap-fix” is safe for this model— success anecdotes are statistical outliers.
• Even professional recovery cannot overcome severe platter scoring; in that case recovered capacity may be partial.
• Warranties cover replacement hardware, not data; opening the cover voids the warranty immediately.
• Comparative reliability of PMR vs. SMR in mobile drives under power-loss stress.
• Development of open-source firmware diagnostic tools for Rosewood (currently proprietary).
• Evaluation of hybrid SSD-cache algorithms to reduce Rosewood write-flush corruption incidents.
The ST1000LM035’s “sudden death” is usually a low-level hardware failure—most commonly firmware translator corruption or damaged heads. Aside from verifying power rails and ruling out a shorted TVS diode, end-users have no safe, effective DIY repair path. Each spin-up attempt can escalate damage, so if the data is valuable, immediately hand the drive to a clean-room data-recovery service equipped with PC-3000/MRT tools. Long-term mitigation is straightforward: maintain 3-2-1 backups and migrate critical workloads to SSDs or enterprise-grade PMR drives.
