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Thread: SSD Write Endurance 25nm Vs 34nm

  1. #1626
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    Would be good to know what the drive was.

  2. #1627
    Registered User Hopalong X's Avatar
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    Quote Originally Posted by Computurd View Post
    @also...this quasi-failure with the intel has just really impressed me. much more impressed with that drive now than i would have been had there not been a failure!
    Like an old Timex. "They take a licking and keep on ticking".

    I would have to admit the Timex salt water torture test might be a bit extreme for the Intel.
    Last edited by Hopalong X; 09-13-2011 at 02:56 AM.

  3. #1628
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    286.11 hours
    168.0275 TiB written
    40.94 MB/s
    MD5 ok

    05: 0
    B1: 83
    E7: 25%
    E9: 119616
    EA/F1: 172864
    F2: 256

  4. #1629
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    m4 update:
    518.3935 TiB
    1688 hours
    Avg speed 91.04 MiB/s.
    AD gone from 58 to 54.
    P/E 9085.
    MD5 OK.
    Still no reallocated sectors
    M4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110913-2115_3.pngM4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110913-2115_2.png

    Kingston V+100
    I'm still trying to figure out why it drops out, so the test is still halted.
    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

  5. #1630
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    Really impressive to see the Crucial M4 getting above 500 TB. Will see if it really beats the C300 etc. but I highly doubt it because the controllers are pretty much the same and the 34nm NAND is much better etc.

  6. #1631
    Moderator Anvil's Avatar
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    315.36TB Host writes
    Reallocated sectors : 6
    MD5 OK

    32.93MiB/s on avg (49+ hours)
    -
    Hardware:

  7. #1632
    Back from the Dead jcool's Avatar
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    Speaking of the X25-E... here's my 32GB one with the most host writes. MWI of 90 still at 580TB written:

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  8. #1633
    Xtreme Mentor Ao1's Avatar
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    Quote Originally Posted by jcool View Post
    Speaking of the X25-E... here's my 32GB one with the most host writes. MWI of 90 still at 580TB written:
    Nice. That unsafe shutdown count looks a bit severe though. Good job it’s not a 320

  9. #1634
    Xtreme Addict bluestang's Avatar
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    M225->Vertex Turbo 64GB Update:

    296.48 TiB (325.98 TB) total
    882.9 hours
    6475 Raw Wear
    118.84 MB/s avg for the last 111.42 hours (on W7 x64)
    MD5 OK
    C4-Erase Failure Block Count (Realloc Sectors) at 4
    (Bank 6/Block 2406; Bank 3/Block 3925; Bank 0/Block 1766; Bank 0/Block 829)

    CDI-M225-OCZ-VERTEX-TURBO-09.14.2011.PNG
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    Work PC -- Cruncher #2 ... Crucial M225 64GB SSD Donated to Endurance Testing (Died at 968 TB of writes...no that is not a typo!)
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  10. #1635
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    WOW it really is impressive to see how much better SLC is compared to MLC ! The Intel X25-E lacks TRIM but has a WA of 1.1 and 50nm SLC NAND. A M4 has TRIM and WA of 1.1 and 34nm MLC NAND. Sandforce often has actual 0.6 WA which is very nice and TRIM too etc. Capacity also plays a role here. For example a 64GB X25-E will last twice as long as a 32GB X25-E !

    Imagine the almost ideal scenario for SSD endurance ( which does not exist currently but the technology is there ) : 90nm SLC NAND, 256GB capacity ( tons of reserve space too ), WA of 0.6 with compression controller like Sandforce and TRIM too etc.

  11. #1636
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    Quote Originally Posted by jcool View Post
    Speaking of the X25-E... here's my 32GB one with the most host writes. MWI of 90 still at 580TB written:
    Just out of curiosity, can you detail a little (if allowed) what kind of load do you have on that SSD? I am asking because on normal desktop usage and light servers I saw no more than 5-10TB of data per year until now.

  12. #1637
    Back from the Dead jcool's Avatar
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    I can't.. bought it like this - just got in today... I wondered WTF the guy did with it as well.
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  13. #1638
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    That X25-E averaged ~31.7MiB/sec for ~7.5 months in real usage

  14. #1639
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    m4 update:
    526.6830 TiB
    1714 hours
    Avg speed 91.06 MiB/s.
    AD gone from 54 to 49.
    P/E 9227.
    MD5 OK.
    Still no reallocated sectors
    M4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110914-2335_2.pngM4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110914-2335_3.png

    Kingston V+100
    I'm still trying to figure out why it drops out, so the test is still halted.
    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

  15. #1640
    Uber Raid King Computurd's Avatar
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    wow looks like a server drive, bet it was used in a caching environment. Cache disks can take a beating, but damn that is alot of resets for a server scenario...interesting, a good mystery!
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  16. #1641
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    Speaking of the X25-E... here's my 32GB one with the most host writes. MWI of 90 still at 580TB written
    Just out of curiosity, can you detail a little (if allowed) what kind of load do you have on that SSD? I am asking because on normal desktop usage and light servers I saw no more than 5-10TB of data per year until now.
    I can't.. bought it like this - just got in today... I wondered WTF the guy did with it as well.
    That X25-E averaged ~31.7MiB/sec for ~7.5 months in real usage
    wow looks like a server drive, bet it was used in a caching environment. Cache disks can take a beating, but damn that is alot of resets for a server scenario...interesting, a good mystery!

    i'm following this thread with great interest, admiring the great job done by all participants and learning a lot.

    With risk of being obvious i'd like to remember that with respect to Intel Toolbox Smart Attributes, some of them seem not to be very reliable, since there are old complaints about them in Intel SSD's Forum, like this one:

    [QUOTENov 16, 2010 4:34 PM
    intel G1 ssd reports weird unsafe shutdown cont][/QUOTE]

    With me, one new G2, just after OS installation, toolbox was showing about 2 or 3 TB of host writes.

    Keep up the good job.

  17. #1642
    NooB MOD [XC] Oj101's Avatar
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    Quote Originally Posted by bulanula View Post
    For example a 64GB X25-E will last twice as long as a 32GB X25-E !
    If the 64GB is less than twice as fast as the 32GB it should last more than twice as long
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  18. #1643
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    Def. looks like your X25-E was used in an enterprise environment probably as a ZFS cache disk or for database work.

  19. #1644
    Xtreme Addict bluestang's Avatar
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    Quote Originally Posted by Christopher View Post
    The drive isn't even on the manufacturer's web site, isn't listed or is listed with a "usually ships in 2-4 weeks" at the few etailers that carry the series -- and I think the etailer that I placed the order with doesn't really have them. So I put in the order anyway, and I'll just have to wait and see. That's why I didn't want to mention it. I'm actually incredibly excited about this particular drive. I probably shouldn't have even mentioned it, but I couldn't help myself.

    I think I might be addicted.

    I will curl up into the fetal position and cry like a little baby if they don't have this drive sitting in their warehouse in West Nowhere, just waiting to get on the truck.
    Alright Christopher...Time for an update on the status of that SSD.
    Order confirmed?, got a tracking number yet?

    At least tease us with the Brand
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  20. #1645
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    Looks like he won't budge. Why so serious ?

  21. #1646
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    m4 update:
    532.2283 TiB
    1731 hours
    Avg speed 91.09 MiB/s.
    AD gone from 49 to 46.
    P/E 9326.
    MD5 OK.
    Still no reallocated sectors
    M4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110915-1720_3.pngM4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110915-1720_2.png

    Kingston V+100
    Still not startet the test again. I'll continue to find whats wrong.
    Next update will be 26 Sept. I'm going away on a job trip. If the drive fails when i'm away I'll get a timestamp from ASU when it happened.
    Never mind, I'm using teamviewer and will still update every day (after tip from Anvil )
    Last edited by B.A.T; 09-15-2011 at 07:56 AM.
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    3: Asus U31JG - X25-M G2 160GB

  22. #1647
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    Quote Originally Posted by [XC] Oj101 View Post
    If the 64GB is less than twice as fast as the 32GB it should last more than twice as long
    No. If it writes "less than twice as fast" while being double the capacity, it should last LESS than twice as long...assuming it writes faster than the lower capacity model. If both models write at the same speed, then double the capacity should be about double the longevity (although free space and overprovisioning can make a difference).
    Last edited by johnw; 09-15-2011 at 09:49 AM.

  23. #1648
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    C300 Update

    367.1TiB host writes, 1 MWI, 6190 raw wear indicator, 2048/1 reallocations, 63.05MiB/sec, MD5 OK

    367_1t.png


    SF-1200 nLTT Update

    225.75TiB host writes, 164.688TiB NAND writes, 20 MWI, 2635 raw wear (equiv), wear range delta 3, 56.2MiB/sec, MD5 OK

    S231168.png

  24. #1649
    Xtreme Member zads's Avatar
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    Quote Originally Posted by bulanula View Post
    WOW it really is impressive to see how much better SLC is compared to MLC !
    ...
    As a reference point, at zero P/E cycles:
    256GB 25nm consumer MLC drive has about ~20,000,000 NAND pages average with at least 1 (flipped) bit error on it...
    256GB 25nm enterprise SLC drive has less than ~20 NAND pages with at least 1 bit error on it...
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  25. #1650
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    I think the M4 will die soonish now.

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