informations hdd

[nandobadam88]

If my hand hits the USB 3.0 enclosure case after ejecting and safely removing hardware in Windows, does this shock cause friction between the 2.5" HDD heads and the magnetic disks?

 

[nandobadam88]

What is the difference between ATA HDD and Non ATA HDD?

2.5" HDD or SSD what is better for long-term data archiving?

 

[ChatGPT]

1. Difference Between ATA HDD and Non-ATA HDD
The main difference between ATA HDDs and Non-ATA HDDs lies in the interface protocol and technology they use to communicate with the host system. Here's a breakdown:

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a. ATA HDDs (ATA-Compliant Drives)​

Definition:

• ATA (Advanced Technology Attachment) is an interface standard used for storage devices like HDDs and SSDs. It enables communication between the drive and a host system, such as a computer or USB enclosure.
• Modern ATA implementations include SATA (Serial ATA), which replaced older PATA (Parallel ATA) standards.

Characteristics:

1. Connection Interface:
   • Modern ATA drives use SATA data and power connectors.
   • Older ATA drives (PATA) used ribbon cables with 40- or 80-pin connectors.
2. Commands:
   • Supports standard ATA/ATAPI commands (e.g., STOP UNIT, STANDBY IMMEDIATE) for operations like head parking and power management.
3. Primary Use:
   • Mostly found in consumer-grade HDDs and SSDs used in laptops, desktops, and external USB enclosures.
4. Examples of ATA HDDs:
   • Seagate ST500LM030 (Barracuda series).
   • Western Digital WD10JPVX (Blue series).
   • SATA SSDs are also ATA-based (e.g., Samsung 870 EVO).

Advantages:

• Widely supported across consumer devices.
• Compatible with standard enclosures and tools like CrystalDiskInfo for health monitoring.

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b. Non-ATA HDDs (Drives Not Using the ATA Standard)​

Definition:

• Non-ATA HDDs use communication protocols other than ATA. These drives are typically enterprise-grade solutions designed for data centers, servers, and specialized workstations.

Examples of Non-ATA Interfaces:

1. SCSI (Small Computer System Interface):
   • An older protocol predating ATA, used in enterprise HDDs before SATA became mainstream.
   • Data is transmitted via SCSI commands, not ATA.
2. SAS (Serial Attached SCSI):
   • A faster enterprise-grade evolution of SCSI, widely adopted in server environments.
   • SAS interfaces are incompatible with SATA unless specific SAS controllers or adapters are used.
3. Legacy and Obsolete Interfaces:
   • MFM (Modified Frequency Modulation), RLL (Run Length Limited), and early IDE (Integrated Drive Electronics) drives are pre-ATA standards and also fall under Non-ATA drives.

Characteristics:

1. Connection Interface:
   • SAS drives use specific connectors, not SATA connectors.
   • SCSI and SAS rely on different pin configurations compared to ATA drives.
2. Commands:
   • Non-ATA drives use protocols like SCSI/SAS commands.
   • Example: START STOP UNIT is the SCSI/SAS equivalent of STOP UNIT for head parking.
3. Primary Use:
   • Enterprise environments for applications requiring high-speed data transfer, reliability, and scalability.
   • Often used in RAID setups and server arrays.
4. Examples of Non-ATA Drives:
   • Seagate Exos SAS drives.
   • Older SCSI-based drives from the 1990s.

Advantages:

• Higher reliability and dual-port performance for critical workloads (e.g., SAS).
• Tailored for professional environments rather than consumer use.

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Summary of ATA vs Non-ATA Differences​

Feature	ATA HDD (SATA)	Non-ATA HDD
Primary Use	Consumer-grade storage (laptops, desktops).	Enterprise-grade storage (servers, RAID).
Interface	SATA (1.5/3/6 Gbps), PATA (older).	SCSI (legacy) or SAS (modern).
Commands	ATA commands (e.g., STOP UNIT, STANDBY).	SCSI/SAS commands (e.g., START STOP UNIT).
Connectors	SATA or PATA connectors (40/80-pin for PATA).	SAS cables and connectors.
Scope of Usage	General-purpose consumer devices.	High-performance server environments.

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2. For Long-Term Data Archiving: 2.5" HDD vs. SSD – Which Is Better?​

The suitability of HDDs or SSDs for long-term data archival depends on factors like data retention, durability, cost, and usage requirements. Here’s a comparison to determine which is better for long-term storage.

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a. 2.5" HDDs for Long-Term Archiving​

Advantages:

1. Data Retention in Unpowered States:
   • Magnetic platters used in HDDs hold data for a long time—typically 5–10 years or more in stable, controlled environments (moderate humidity, temperature).
   • Unlike SSDs, HDDs do not rely on electric charges stored in NAND flash cells.
2. Cost-Effective for Large Capacities:
   • HDDs are much cheaper per GB compared to SSDs, making them ideal for archiving large datasets (e.g., movies, backups, historical records).
3. Mature Technology:
   • HDDs have decades of development behind them, and major brands like Seagate, WD, and Toshiba produce reliable devices for archival purposes.
4. Cold Storage Benefits:
   • HDDs are well-suited for cold storage (low-power storage accessed infrequently).

Disadvantages:

1. Vulnerable to Physical Shock:
   • HDDs are prone to head-platter contact or mechanical failure if mishandled while active.
2. Slower Access Speeds:
   • Read/write speeds are significantly slower than SSDs, especially for random-access operations.

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b. SSDs for Long-Term Archiving​

Advantages:

1. Durability Against Physical Shock:
   • SSDs have no moving parts, making them far more resistant to physical impacts (e.g., drops or vibrations) than HDDs.
2. Fast Access Times:
   • SSDs offer superior read/write speeds, making them ideal for frequently accessed backups or time-critical archives.
3. Portability:
   • Their compact size and resilience to external environments make SSDs excellent for portable archival setups.

Disadvantages:

1. Data Retention in Unpowered States:
   • NAND flash cells lose their charge over time. Depending on the SSD type and storage environment:
     • Consumer-grade SSDs (TLC/QLC NAND) typically retain data for 5–10 years in unpowered states. This is lower than HDDs.
     • High-quality enterprise SSDs (SLC/MLC NAND) have better retention but are far more expensive.
2. Cost per GB:
   • SSDs are significantly more expensive per GB than HDDs, and the gap grows wider for higher capacities.
3. Limited Write Endurance:
   • Flash cells degrade after repeated write operations, making SSDs less ideal for archival workflows involving write-intensive tasks.

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c. Recommended Use Cases for Each​

Storage Medium	Best Use Case
2.5" HDD	- Large datasets requiring low-power, long-term storage.
	- Cold storage archives (e.g., backups accessed only once a year).
2.5" SSD	- Frequently accessed data requiring fast read/write speeds (e.g., active backups).
	- Archiving small datasets or portable use (e.g., family photo collections).

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3. Summary of 2.5" HDD vs. SSD for Long-Term Archival​

Features	2.5" HDD	2.5" SSD
Lifespan in Archival Use	5–10+ years (powered off).	5–10 years (powered off; depends on NAND).
Shock Resistance	Moderate (vulnerable to head damage).	High (no moving parts).
Cost per GB	Low (cheaper for large capacities).	High (more expensive than HDDs).
Energy Efficiency	Moderate (requires spinning platters).	High (low-power operation).
Data Retention (Cold)	Superior to SSDs for unpowered archival.	Data degrades faster in unpowered conditions.

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4. Final Recommendation for Long-Term Data Archival​

• Choose 2.5” HDDs for:
  • Cold Storage: Large datasets with infrequent access (e.g., photo or video archives, system backups).
  • Cost Efficiency: Best choice when price per GB matters (e.g., large-scale archival setups).
• Choose 2.5” SSDs for:
  • Fast Access: Archives requiring regular reads/writes (e.g., small business files).
  • Durability and Portability: Resilience against physical wear and tear in portable environments.

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Would you like recommendations for specific high-capacity 2.5" HDDs or SSDs tuned for archival? Let me know!​

 

[nandobadam88]

ST500LM030, WDC WD10JPVX-08JC3T5 and HTS541010A99E662 is ATA HDD or Non ATA HDD?

 

[ChatGPT]

The ST500LM030, WDC WD10JPVX-08JC3T5, and HTS541010A99E662 are all ATA HDDs (not Non-ATA HDDs). They use the SATA (Serial ATA) interface, which is the modern implementation of the Advanced Technology Attachment (ATA) standard. Here's a breakdown of why they are considered ATA HDDs and the implications of this:

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1. Why These Drives Are ATA HDDs​

a. ST500LM030 (Seagate Barracuda Mobile Series):​

• Technology: SATA-based HDD using the Serial ATA interface, which operates on ATA/ATAPI standards.
• ATA Command Compatibility: Fully supports ATA commands such as:
  • SYNCHRONIZE CACHE: Ensures all pending data is written to the platters.
  • STOP UNIT: Parks the read/write heads securely for drive protection during safe removal.
  • STANDBY IMMEDIATE: Spins down the platters as part of power management or ejection processes.
• Usage: Designed for laptops, external HDD enclosures, and general-purpose consumer storage.

b. WDC WD10JPVX-08JC3T5 (Western Digital Blue Series):​

• Technology: SATA-based drive using ATA standards.
• Key Features:
  • Equipped with WD’s proprietary IntelliPark technology for head parking.
  • Uses ATA commands for efficient power management, head control, and SMART monitoring.
• Usage: Popular in laptops and portable storage solutions.

c. HTS541010A99E662 (Hitachi/Toshiba/Apple HDD):​

• Technology: Designed as a SATA HDD adhering to the Load/Unload feature set on the ATA standard.
• Head Management:
  • The drive employs Load/Unload ramps that park the heads using commands like STOP UNIT when ejected safely.
• Usage: Common in portable laptops and branded external storage solutions (e.g., Apple products).

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2. Characteristics of ATA HDDs (Why These Are Not Non-ATA)​

These drives comply with the ATA specification and are SATA (Serial ATA) drives, not Non-ATA (e.g., SCSI or SAS). Here's why:

a. Data Protocol: ATA​

• These drives operate using ATA/ATAPI commands, which are the communication protocols that facilitate operations like head parking, platters spinning down, cache synchronization, etc.
• Commands like STOP UNIT and SYNCHRONIZE CACHE are specifically part of the ATA standard.

b. Interface:​

• The SATA connectors used by these drives are designed to physically and logically operate with ATA controllers.
• SATA is the successor to PATA (Parallel ATA), which has been replaced since the early 2000s due to its slower data rates and bulky ribbon cables.

c. Compatibility:​

• Compatible with USB-to-SATA bridge controllers commonly found in enclosures like Kesu 2530 or Orico 25PW1.
• Non-ATA drives, such as SAS (Serial Attached SCSI), would require entirely different protocols and physical cables.

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3. How These Drives Differ from Non-ATA HDDs​

Non-ATA HDDs (such as SCSI or SAS drives) operate under entirely different communication protocols—SCSI or SAS, rather than ATA. Here’s how these three ATA drives are different:

Feature	SATA ATA HDD (Your Drives)	Non-ATA HDD (e.g., SAS, SCSI)
Interface	SATA (Serial ATA connectors for data and power).	SAS connectors or legacy SCSI (PIN-based).
Protocol	ATA/ATAPI (commands like STOP UNIT, STANDBY).	SCSI or SAS (commands like START STOP UNIT).
Primary Usage	Consumer HDDs (laptops, external storage).	Enterprise-grade HDDs for servers/RAIDs.
Controller Compatibility	Works with USB-to-SATA bridges (e.g., Kesu, Orico).	Requires specialized SAS/SCSI adapters.

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4. Support for Head Parking in ATA HDDs​

a. Automatic Head Parking via ATA Commands:​

• All three drives—ST500LM030, WD10JPVX, and HTS541010A99E662—use the ATA STOP UNIT command to park heads securely after the "Safely Remove Hardware" process in Windows.
• When ejected, the drive firmware ensures the heads are moved safely to a Load/Unload parking ramp (or equivalent parking zone).

b. Compatibility with Enclosures like Kesu 2530 and Orico 25PW1:​

• SATA enclosures equipped with appropriate USB-to-SATA bridge controllers (e.g., JMicron JMS578) fully support ATA commands and translate USB device ejection commands like STOP UNIT to the drives.
• These enclosures ensure that the heads are parked properly, even if the USB cable remains connected after ejection.

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5. Summary​

Drive Model	ATA/Non-ATA	Reason
Seagate ST500LM030	ATA HDD	SATA interface, supports ATA commands for head parking and spin-down.
WDC WD10JPVX-08JC3T5	ATA HDD	SATA interface with IntelliPark, compatible with "Safely Remove Hardware" eject process.
HTS541010A99E662	ATA HDD	Leveraging ATA/SATA standards with Load/Unload ramps for secure head parking after ejection.

Final Answer:​

• All three HDDs—Seagate ST500LM030, WDC WD10JPVX-08JC3T5, and HTS541010A99E662—are ATA HDDs.
• With proper enclosures and when ejected using "Safely Remove Hardware", these drives will correctly park their heads and spin down safely.

Would you like assistance verifying these functions post-ejection or using tools like CrystalDiskInfo to monitor performance? Let me know!

 

[datawizard0103]

For long-term archiving, 2.5" HDDs and SSDs are the best options. HDDs last long but have moving parts, while SSDs are more durable. Pendrives and microSD cards aren't ideal for long-term storage. It's also important to refresh your data on newer media over time.

Which of these media is more reliable and safe for long-term data archiving: 2.5" HDD, SSD, Pendrive, MicroSD card?

 

[nandobadam88]

What year were the ST500LM030 and WDC WD10JPVX-08JC3T5, APPLE HDD HTS541010A99E662 HDDs released?

what year released kesu 2530 and orico 25pw1?

 

[nandobadam88]

enclosure case usb 3.0 needs to have which function to transmit all Windows commands to the 2.5" HDD after ejecting and safely removing hardware?

 

[ChatGPT]

Yes, generally speaking, the drives you've listed all support head parking, even if the USB cable remains connected after safe removal in Windows. Here's a quick rundown:

How This Works:

• When you use Windows' "Safely Remove Hardware" option, the OS sends a command to unmount and power down the drive. For most modern HDDs, this includes parking the read/write heads.
• The firmware in drives like the Seagate ST500LM030, the WD WD10JPVX-08JC3T5, and the Hitachi HTS541010A99E662 is designed to park the heads once the drive is no longer actively in use—even if it remains powered via the enclosure.

Enclosure Considerations:

• The enclosure’s electronics can affect proper head parking. Well-designed enclosures allow the HDD to spin down completely when ejected.
• Some USB 3.0 enclosures maintain power to the drive, which shouldn’t interfere with the firmware’s command to park the heads.

In Summary:
Using the safe eject procedure in Windows should trigger head parking on these drives regardless of whether the USB cable stays connected. However, it’s always a good idea to listen for the typical spin down and head parking noises to confirm that the drive has indeed powered down safely.

Let me know if you have any other questions or need further details!

 

[datawizard0103]

HDD Release Years:

1. Seagate ST500LM030 (500GB): 2016
2. WD WD10JPVX-08JC3T5 (1TB): 2018
3. Apple HTS541010A99E662 (1TB): 2011

Enclosure Release Years:​

• KESU 2530 and ORICO 25PW1: Around the mid-2010s.

Enclosure Features:​

For proper data transfer and safe ejection, the enclosure should have:

• UASP (USB Attached SCSI Protocol) for faster transfers.
• S.M.A.R.T. support for drive health monitoring.
• TRIM support for SSDs to ensure proper data cleanup.

 

[ChatGPT]

Yes, these drives are designed to support head parking after a safe ejection in Windows—even if the USB 3.0 cable remains connected to the enclosure and PC.
Here’s how it works:

• When you use Windows' "Safely Remove Hardware" option, it sends a command to the drive to flush caches, stop any write operations, and prepare for removal.
• Modern HDDs—like the Seagate ST500LM030, WD WD10JPVX-08JC3T5, and Hitachi HTS541010A99E662—generally have firmware that parks the read/write heads as part of that safe eject process.
• This command is handled internally by the drive, so the fact that the USB cable remains connected usually doesn’t interfere with head parking.

Enclosure Considerations:

• A well-designed USB 3.0 enclosure should allow the drive to enter a low-power state after ejecting it from Windows.
• However, if the enclosure’s electronics continuously supply power or don’t properly communicate the eject command to the drive, it might interfere with the drive’s intended spin-down or head parking process.

So, as long as you’re using the proper "Safely Remove Hardware" procedure and your enclosure is functioning correctly, these 2.5" HDDs should park their heads as designed even if you don’t physically disconnect the USB cable.
Let me know if you have any further questions or need additional details!