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Thread: SSD Write Endurance 25nm Vs 34nm

  1. #5076
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    Anvil, that really is (matbe not very) surprising. It feels like the previous SFs died almost exactly when they were supposed to. It's strange that they seem to be dying so consistently. I think maybe some proprietary mojo from the Intel, Samsung, and Crucial/Marvells may be missing.

  2. #5077
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    While it's a bit disappointing I prefer being warned about the failure.

    In 30 minutes, available reserved space went from 9 to 7 so it might enter read-only mode sometime within the next few hours. (it's midnight here)

    Maybe this is the one that behaves as expected wrt read-only mode
    -
    Hardware:

  3. #5078
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    Who knows? Seeing a RO SSD is like seeing a unicorn -- there isn't much reason to believe they actually exist. I'm not saying its dissappointing, just that it isn't too different. SF is supposed to hit RO at MWI 1, which is why it stops at 10. I also know that the Intel and SF FW report reallocations much differently.

  4. #5079
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    We'll know in a few hours, it's already at 1. (available reserved space)
    -
    Hardware:

  5. #5080
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    There looks to be a bug with available reserved space.

    It's back to 100 so it looks to continue but like some of the other SF drives, speed is increasing as it wears out so the signs of a dying drive are still there.

    ASR did not correlate to the movements of any other SMART attribute so I suspected something was wrong, anyways, it carries on writing.

    --

    Intel 330 120GB

    760.52TB Host writes
    2.63TiB Host reads
    Reallocated sectors : 05 387 +82
    Available Reserved Space : E8 100 "-27"
    MWI 9
    [B5] Program fail count 186
    [B6] Erase fail count 201
    [F1] Total LBAs Written 24920807
    [F2] Total LBAs Read 86201
    [F9] Total NAND Writes 549015GB // ~536TiB
    POH 1824
    MD5 OK

    126.35MiB/s on avg (~9 hours)

    --

    Kingston SSDNow 40GB (X25-V)

    1184.51TB Host writes (38814090*32)
    Reallocated sectors : 05 73 +1
    Available Reserved Space : E8 98
    POH 10559
    MD5 OK

    33.57MiB/s on avg (~9 hours)
    Last edited by Anvil; 08-09-2012 at 01:57 AM.
    -
    Hardware:

  6. #5081
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    Sandisk Extreme G25 - 120gb - Day 65

    Drive hours: 1495
    ASU GiB written: 646,449.96 GiB (631.30 TiB)
    Avg MB/s: 125.68 MB/s (45.97 hours)
    MD5: OK

    Host GB written (F1): 651,060 GiB (635.80 TiB)
    NAND writes (E9): 486,014 GiB (474.62 TiB)

    Retired Block Count (05): 4 raw
    Failure count (AB, AC): 1 program, 1 erase
    Raw Error Rate (01): 110 normalized
    Media Wearout Indicator (E7): 10 normalized
    Wear Range Delta (B1): 3 raw
    Reported Uncorrectable Errors (BB): 0 raw

    So the Intel 330 said "haha, fooled ya :P". Intel seems to have botched the ASR counter in the sandforce firmware, although I haven't seen any sandforce drive go through bad block death yet to verify that the Retired Block count Normalized values work correctly either.
    Last edited by canthearu; 08-09-2012 at 02:56 AM.

  7. #5082
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    I bet the 330's counter cycles twice before it dies. I contend it's not about erase failures as much as read failures anyway, until you have no ARS left.

  8. #5083
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    I wish it was

    There is no change to ARS, it's still at 100.

    MWI is at 9, will take another week or so for it to either stop "working" (0) or possibly restart at 100.
    -
    Hardware:

  9. #5084
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    The M3P went through almost 3GB of flash, but it was the read failures that killed it -- along with every OCZ, and probably a couple other drives too.

  10. #5085
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    Samsung 830 256GB Day 140

    (GiB) 3,495,821
    (TiB) 3,413
    (PiB) 3.35


    (Avg) 297.61 MB/s

    (B1) Wear Leveling Count: 15,138

    (B6) Erase Fail Count: 9
    (05) Reallocated Sectors: 36864
    (POH) 3456


    -------------------
    Last edited by Christopher; 08-10-2012 at 09:39 AM.

  11. #5086
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    Samsung 830 256GB Day 141

    (GiB) 3,541,007
    (TiB) 3,458
    (PiB) 3.40


    (Avg) 297.53 MB/s

    (B1) Wear Leveling Count: 15,333

    (B6) Erase Fail Count: 9
    (05) Reallocated Sectors: 36864
    (POH) 3500


    -------------------

  12. #5087
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    Here are todays update:

    m4
    1382.3581 TiB
    5734 hours
    Avg speed 74.55 MiB/s.
    AD 94 to 77
    P/E 23748.
    C3 4457 to 4647
    CE 58
    MD5 OK.
    Reallocated sectors : 00


    Intel X25-M G1 80GB
    856.49 TiB
    25020 hours
    Reallocated sectors : 8 to 188
    Available Reserved space: 22 to 11
    MWI= 104 to 68
    MD5 =OK
    26.16 MiB/s on avg


    Intel X25-E 64GB
    702.41 TiB
    2201-30=2171 hours
    Reallocated sectors : 7 to 27
    Available Reserved space: 99
    MWI= 95
    MD5 =OK
    91.60 MiB/s on avg


    Mtron Pro 7025 32GB
    Paused until new firmware is updated.

    The G1 continues its path to death and the E had 20 more reallocated sectors. The m4 just steams on.
    1: AMD FX-8150-Sabertooth 990FX-8GB Corsair XMS3-C300 256GB-Gainward GTX 570-HX-750
    2: Phenom II X6 1100T-Asus M4A89TD Pro/usb3-8GB Corsair Dominator-Gainward GTX 460SE/-X25-V 40GB-(Crucial m4 64GB /Intel X25-M G1 80GB/X25-E 64GB/Mtron 7025/Vertex 1 donated to endurance testing)
    3: Asus U31JG - X25-M G2 160GB

  13. #5088
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    Wow this is great for you guys to tackle ssd endurance. Not many sites pay attention to this at all and it makes me very glad I chose a samsung 830 as well. Although mine is 128gig not 256gig model.

  14. #5089
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    ^love checking this thread
    Quote Originally Posted by Hondacity View Post
    gskillllin it!

  15. #5090
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    Sandisk Extreme G25 - 120gb - Day 68

    Drive hours: 1566
    ASU GiB written: 678,050.50 GiB (662.16 TiB)
    Avg MB/s: 125.69 MB/s (117.42 hours)
    MD5: OK

    Host GB written (F1): 682,819 GiB (666.82 TiB)
    NAND writes (E9): 509,731 GiB (497.78 TiB)

    Retired Block Count (05): 4 raw
    Failure count (AB, AC): 1 program, 1 erase
    Raw Error Rate (01): 115 normalized
    Media Wearout Indicator (E7): 10 normalized
    Wear Range Delta (B1): 3 raw
    Reported Uncorrectable Errors (BB): 0 raw

  16. #5091
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    Sandisk Extreme G25 - 120gb - Day 70

    Drive hours: 1616
    ASU GiB written: 699,914.35 GiB (683.51 TiB)
    Avg MB/s: 125.20 MB/s (167.61 hours)
    MD5: OK

    Host GB written (F1): 704,792 GiB (688.27 TiB)
    NAND writes (E9): 526,156 GiB (513.82 TiB)

    Retired Block Count (05): 4 raw
    Failure count (AB, AC): 1 program, 1 erase
    Raw Error Rate (01): 117 normalized
    Media Wearout Indicator (E7): 10 normalized
    Wear Range Delta (B1): 4 raw
    Reported Uncorrectable Errors (BB): 0 raw

  17. #5092
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    Samsung 830 256GB Day 144

    (GiB) 3,609,534
    (TiB) 3,524
    (PiB) 3.46


    (Avg) 296.75 MB/s

    (B1) Wear Leveling Count: 15,629

    (B6) Erase Fail Count: 9
    (05) Reallocated Sectors: 36864
    (POH) 3558

    -------------------

  18. #5093
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    Here are todays update:

    m4
    1399.5832 TiB
    5801 hours
    Avg speed 74.54 MiB/s.
    AD 77 to 67
    P/E 24041.
    C3 4647
    CE 58
    MD5 OK.
    Reallocated sectors : 00


    Intel X25-M G1 80GB
    861.79 TiB
    25087 hours
    Reallocated sectors : 188 to 255 to 20
    Available Reserved space: 11 to 6
    MWI= 68 to 44
    MD5 =OK
    25.61 MiB/s on avg


    Intel X25-E 64GB
    723.57 TiB
    2268-30=2238 hours
    Reallocated sectors : 27 to 37
    Available Reserved space: 99 to 98
    MWI= 95
    MD5 =OK
    91.53 MiB/s on avg


    Mtron Pro 7025 32GB
    Paused until new firmware is updated.

    The G1 is now very close to 1% spare area. Just hope I get home in time....
    1: AMD FX-8150-Sabertooth 990FX-8GB Corsair XMS3-C300 256GB-Gainward GTX 570-HX-750
    2: Phenom II X6 1100T-Asus M4A89TD Pro/usb3-8GB Corsair Dominator-Gainward GTX 460SE/-X25-V 40GB-(Crucial m4 64GB /Intel X25-M G1 80GB/X25-E 64GB/Mtron 7025/Vertex 1 donated to endurance testing)
    3: Asus U31JG - X25-M G2 160GB

  19. #5094
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    So, the samsung 830 seems to go on and on, it just won't give up! I am considering upgrading to a SSD and seeing the 830 withstand the torture like that... I think I know what I'll buy.

    Great thread!

  20. #5095
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    Samsung 830 256GB Day 146

    (GiB) 3,643,414
    (TiB) 3,558
    (PiB) 3.50


    (Avg) 296.16 MB/s

    (B1) Wear Leveling Count: 15,776

    (B6) Erase Fail Count: 9
    (05) Reallocated Sectors: 36864
    (POH) 3603

    -------------------

    We're 7/8ths of the way to 4PiB
    Last edited by Christopher; 08-15-2012 at 10:20 PM.

  21. #5096
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    Here are todays update:

    m4
    1408.0741 TiB
    5834 hours
    Avg speed 74.53 MiB/s.
    AD 67 to 62
    P/E 24186.
    C3 4647
    CE 58
    MD5 OK.
    Reallocated sectors : 00


    Intel X25-M G1 80GB
    864.35 TiB
    25120 hours
    Reallocated sectors : 20 to 74
    Available Reserved space: 6 to 2
    MWI= 44 to 38
    MD5 =OK
    25.34 MiB/s on avg


    Intel X25-E 64GB
    734.02 TiB
    2301-30=2271 hours
    Reallocated sectors : 37 to 42
    Available Reserved space: 98
    MWI= 95
    MD5 =OK
    91.49 MiB/s on avg


    Mtron Pro 7025 32GB
    Paused until new firmware is updated.

    Getting closer.....
    1: AMD FX-8150-Sabertooth 990FX-8GB Corsair XMS3-C300 256GB-Gainward GTX 570-HX-750
    2: Phenom II X6 1100T-Asus M4A89TD Pro/usb3-8GB Corsair Dominator-Gainward GTX 460SE/-X25-V 40GB-(Crucial m4 64GB /Intel X25-M G1 80GB/X25-E 64GB/Mtron 7025/Vertex 1 donated to endurance testing)
    3: Asus U31JG - X25-M G2 160GB

  22. #5097
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    Don't worry bat, the Intel drive will probably chug on for a while longer ... because running out of avaliable reserved space never stopped the old 40gig Intel 320.

  23. #5098
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    Sandisk Extreme G25 - 120gb - Day 72

    Drive hours: 1662
    ASU GiB written: 719,753.27 GiB (702.88 TiB)
    Avg MB/s: 125.12 MB/s
    MD5: OK

    Host GB written (F1): 724,730 GiB (707.74 TiB)
    NAND writes (E9): 541,054 GiB (528.37 TiB)

    Retired Block Count (05): 4 raw
    Failure count (AB, AC): 1 program, 1 erase
    Raw Error Rate (01): 118 normalized
    Media Wearout Indicator (E7): 10 normalized
    Wear Range Delta (B1): 4 raw
    Reported Uncorrectable Errors (BB): 0 raw

  24. #5099
    nster
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    Hey, I need an SSD for the server/WS that I am building. I only need 60GB at most, I do intend to manually over provision between 20-30%, perhaps 50% for the heck of it if the drive is 200GB+

    My budget is 300$, I want this SSD to last as long as possible. If it doesn't last 10 years It's garbage for me. At the same time, I don't want to be spending useless $$. If a simple intel 520 120GB SSD will do, that's nice. but if a 256GB 520 or samsung 830 or Crucial M4 would be significantly better, why not. What would you recommend?

  25. #5100
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    Quote Originally Posted by nster View Post
    Hey, I need an SSD for the server/WS that I am building. I only need 60GB at most, I do intend to manually over provision between 20-30%, perhaps 50% for the heck of it if the drive is 200GB+

    My budget is 300$, I want this SSD to last as long as possible. If it doesn't last 10 years It's garbage for me. At the same time, I don't want to be spending useless $$. If a simple intel 520 120GB SSD will do, that's nice. but if a 256GB 520 or samsung 830 or Crucial M4 would be significantly better, why not. What would you recommend?
    Scroll up this page to Post #5095.

    Samsung 830 256MB with 3.5PiB of writes... so far. That should do the trick.
    They are about $200US at Newegg. They have been on sale for under $200.
    Last edited by Hopalong X; 08-16-2012 at 11:50 AM.

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