SSD Reliability

Ray8

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Test your SSDs or risk massive data loss, researchers warn

New study finds 13 of 15 flash-based solid-state drives suffer data loss or worse when they lose power.

Companies adopting flash-based SSDs as a cornerstone to the data center storage systems are risking "massive data loss" due to power outages, according to a new study titled "Understanding the Robustness of SSDs Under Power Fault" by researchers from the University of Ohio and HP Labs. In exposing 15 SSDs from five different vendors to power loss, researchers found that 13 suffered such failures as bit corruption, metadata corruption, and total device failure. The paper did not specify which vendors' drives were used.

The researchers' conclusion: "SSDs offer the promise of vastly higher performance operation; our results show that they do not provide reliable durability under even the simplest of faults: loss of power."

Test your SSDs or risk massive data loss, researchers warn | Solid state drives - InfoWorld

It certainly pays to have a complete disk image at all times.
 

My Computer

System One

  • OS
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64
And always use a UPS on your systems.
 

My Computer

System One

  • OS
    Windows 7
    System Manufacturer/Model
    Self-Built in July 2009
    CPU
    Intel Q9550 2.83Ghz OC'd to 3.40Ghz
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    Gigabyte GA-EP45-UD3R rev. 1.1, F12 BIOS
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    8GB G.Skill PI DDR2-800, 4-4-4-12 timings
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    23" Acer x233H
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    Intel X25-M 80GB Gen 2 SSD
    Western Digital 1TB Caviar Black, 32MB cache. WD1001FALS
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    Corsair 620HX modular
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    Antec P182
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    stock
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    ABS M1 Mechanical
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    Logitech G9 Laser Mouse
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    15/2 cable modem
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    Windows and Linux enthusiast. Logitech G35 Headset.
I have an UPS as well, but you have to keep an eye on the battery at all times. Tablets and laptops are good in this respect, as they have an in-built battery backup anyway.
 

My Computer

System One

  • OS
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64
3000 power outages and they did not expect to see data loss, seriously.

Seems to me all they have done is shown that with thousands of power loss's you will most likely lose some data, geeze, I would never have thought that, lol.
 

My Computer

System One

  • OS
    W7
3000 power outages and they did not expect to see data loss, seriously.

Seems to me all they have done is shown that with thousands of power loss's you will most likely lose some data, geeze, I would never have thought that, lol.

When doing testing of this nature, you have to repeat the incidences many times to get valid statistical data. What hasn't been shown is when during the testing cycles the failures have occurred. Did they occur at the first power outage, somewhere in between or after thousands of outages? If 50% failed between the 1st and 10th power outage, that would be of serious concern, if 50% failed around the 3000th outage and the other 50% failed after 1000 outages, that may be of less concern. Also, we don't know which SSDs failed and when, so a lot of info is not available.

The study, however, is not invalid or without merit. It simply provides more information for enterprises, who will probably have access to the full set of data, to make proper decisions regarding data integrity and risk management.
 

My Computer

System One

  • OS
    Windows Phone 6, Windows CE 5, Windows Vista x32, Windows 7 x32/x64, Windows 8 x64

My Computer

System One

  • OS
    Windows-10-Pro-Build-11099.rs1-x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom-Build
    CPU
    Intel Core i7 3770k @4800MHz
    Motherboard
    Asus P8Z77-V
    Memory
    G.Skill 16G(4*4G) DDR3-2400 Quad Channel [TDX] F3-2400C10Q-16GTX
    Graphics Card(s)
    2x Gigabyte GTX980-Ti-OC-STRIX-6GB in 2-Way-SLI (1408MHz | Boost: 1544MHz | Memory-Clock: 8000MHz)
    Sound Card
    OnBoard Realtek® ALC892 8-Channel High Definition Audio
    Monitor(s) Displays
    Asus VE278Q 27" Wide Led Black Full HD 2ms | Dell S2409W 24" 5ms
    Screen Resolution
    1920x1080
    Hard Drives
    - Intel 520S 240GB/SATA3/R 550MBs,W 520MBs/25nm/3.5"Kit/5yr
    - Samsung 840 EVO SATA3 500GB
    - Seagate Barracuda SATA3 1TB 7200RPM 64mb Cache
    - Seagate Barracuda SATA3 1TB 7200RPM 64mb Cache
    - Seagate Constellation SATA3 3TB 7200RPM 64mb Cache
    -
    PSU
    Corsair AX1200i
    Case
    Thermaltake Level-10 GT LCS
    Cooling
    EK H3O HFX 240mm Liquid Cooling Kit + 2x EK-480-Rads + GPU-Blocks + Gelid Extreme
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    Roccat Isku | Logitech G13 | XBox 360 Controller wired | Logitech Dual Action GamePad
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    Roccat Pure Military Dessert Strike | Shogun Bros. Ballista MK-1 | Cyborg R.A.T. 7 Infection
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    ADSL2+ ~15MBit/s DL | ~1MBit/s UL
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    Google Chrome
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    Windows Defender
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    - Logitech Extreme 3D Pro Joystick
    - Plantronics GameCom Commander Headset
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    - Roccat Taito Mid-Size 5mm
    - PC-Master-Race MousePad (yellow)
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