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S.M.A.R.T. Errors and other S.M.A.R.T. Data

post #1 of 3
Thread Starter 
I don't really understand what all of the info in these reports mean, and I'm curious whether or not anything here is out of the ordinary or worth worrying about.
It says the Health status for all of them is "Good", but the amount of errors seems a bit high for what I expected. (I figured the error rates should all have been 0)

Here is an album on Imgur with the report for all of my drives.
imgur.com/a/f9Aa7#0

Drives 1 and 2 are in a RAID0 Array. The power on Hours are what I would consider accurate for how long I've owned and kept the drives running.
i7 Sandy
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i7 Sandy
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Skylake Pentium
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250GB Samsung 850 Evo WinXP Pro / Win7 Pro 1080p 60Hz Thermaltake Smart M850W 
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Pentium G4400 ASRock H110M-HDV GTX 550 Ti 8GB (2x4) 
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250GB SSD Windows 7 500W 300Mbps WLAN 
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post #2 of 3
    Yes, the confusion is due to the deceptive/non-user friendly way that the SMART info is reported to the user.

    The actual values are in the data column. The values in the "Current" and "Worst" columns are normalized numbers, where higher (usually normalized to 100 or 255) is better. As the numbers in the manufacturer specific "Data" column get worse, the value in "Current" will count down. When it reaches the value in "Threshold" an official SMART error will be triggered (and reported by CrystalDiskInfo).

    Thus, I would read your SMART info this way:

ST1000DM005 #1:
  • Read errors: 1
  • Write errors: 64 (hex 40)
  • All other "error" counters at 0
Health: OK, watch

ST1000DM005 #2:
  • G-Sense errors: 1 (the drive has been knocked/dropped once)
  • Write errors: 34 (hex 22)
  • All other "error" counters at 0
Health: OK, watch

ST3250823AS:
  • Read errors: 4,163,703
  • Seek errors: 477,685,708
  • HW ECC recovered: 4,163,703 (all so far)
  • UltraDMA CRC errors: 7 (poor cable connection)
  • All other "error" counters at 0
Health: Wearing out, backup and scan for bad sectors

SAMSUNG SSD 830:
  • POR recovery count: 53 (hex 35)
  • All other "error" counters at 0
Health: Good

SAMSUNG HD103J:
  • Read errors: 3
  • G-Sense errors: 250 (the drive has been jostled/vibrated many times)
  • Write errors: 26 (hex 1A)
  • All other "error" counters at 0
Health: OK, watch

    The thing that perturbs me the most is that all of your HDDs have something to report.  Normally (as you said), there would be no errors.  My HDDs here have no errors.  You should have a backup of your data regardless, though.
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post #3 of 3
His drives are aged, this is expected. Your drives are fine.
 
Gsvlip Dudyrm
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Gsvlip Dudyrm
(15 items)
 
Oda'maksv
(9 items)
 
CPUMotherboardGraphicsRAM
3770k @ 4.5 1.312 load z77 Sabertooth GTX 1070 Gaming 2126/2249 w/ Hybrid cooler Patriot Viper Xtreme D2 1600  
Hard DriveHard DriveHard DriveOptical Drive
Samsung 850 Pro 1TB 4TB RAID 0 4.5TB RAID 0 <.< DVD drive 
CoolingCoolingOSMonitor
H105 EVGA Hybrid GPU cooler Windows 10 Asus MG279Q - 24" 144Hz 1080p 
KeyboardPowerCaseMouse
Filco Majestic II w/ Cherry Reds Seasonic X 760W CM690 II Adv. Logitech G400 
Mouse PadAudioAudioAudio
Razer Goliath AKG A701 JDS Labs Objective 2 JDS Labs ODAC 
CPUMotherboardGraphicsRAM
Core i5 750 3.99 (190x21) 1.376v Load ASUS P7P55d-E Pro GTX 670 FTW <- Poor overclocker :( 8GB (4x2GB) G.Skill DDR3 1600 
Hard DriveHard DriveOptical DriveOS
Samsung 830 Evo 128GB 2x 2TB  Some DVD drive OSX 10.10.4 
MonitorPowerCaseMouse
Asus 1080P Crap TX 750 HAF 922 G400s 
Mouse PadOther
Apple Keyboard Xbox One controler 
CPURAMHard DriveHard Drive
C2D 2,26GHz under volted @ .978v 8GB  Crucial M4 64GB SSD 500GB Scorpio Black 
OSMonitorKeyboardMouse
OS X 10.0 1280x800 Built-in Trackpad 
Audio
Built-in 
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