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Thread: SSD Write Endurance 25nm Vs 34nm

  1. #1776
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    I think it is very possible that no LTT is present on the Corsair. The same thing happened with one of the retail SF drives here from Corsair too etc.

  2. #1777
    SSDabuser Christopher's Avatar
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    Has anyone here used an original OCZ RevoDrive? The 180GB model is on sale for 1$/GB and the Vertex 3 120 is almost as cheap.

    The RevoDrive looks kinda unimpressive next to the Mushkin ChronosDeluxe60

    I bet it doesn't have LTT.

    Too bad I'm boycotting OCZ's awful plastic chassis, because the Vertex3 is pretty impressive.
    Last edited by Christopher; 09-24-2011 at 11:43 AM.

  3. #1778
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    Quote Originally Posted by bulanula View Post
    I think it is very possible that no LTT is present on the Corsair. The same thing happened with one of the retail SF drives here from Corsair too etc.
    There is no lifetime throttling with the Corsairs or the Mushkin. E6 SMART attribute indicates this for SF-2200 drives and the Corsair SF-1200 has been going way too long (MWI is already down to 10) without any indication of LTT.

  4. #1779
    SSDabuser Christopher's Avatar
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    The Mushkin has finally hit 90 MWI.

    I don't think this drive is going to die anytime this year -- I really wanted a read-only drive for Christmas.

  5. #1780
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    I do doubt it will die this year, but MWI should get to 1 in 28-29 days of total runtime* and 3.5+ days of runtime have already been completed.


    * that's without any weird scaling when MWI gets to 10 and if it maintains ~122MiB/sec.

  6. #1781
    SSDabuser Christopher's Avatar
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    Quote Originally Posted by Vapor View Post
    I do doubt it will die this year, but MWI should get to 1 in 28-29 days of total runtime* and 3.5+ days of runtime have already been completed.


    * that's without any weird scaling when MWI gets to 10 and if it maintains ~122MiB/sec.
    I feel confident that it might be getting close by Easter.


    Actually, this drive just keeps growing on me... I'll be sad to see it go.

    I'm starting to think two of them would be incredible in R0, but by the time this Mushkin wears out there might not be any more 32nm flash hanging around, which in itself is a tragedy.

    I can't understand why Mushkin isn't out there screaming "Hey! We have the fastest 60GB in the Universe!" at the top of their lungs.
    Last edited by Christopher; 09-25-2011 at 01:12 AM.

  7. #1782
    SynbiosVyse
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    Sorry haven't been able to post much. The MWI is still at 10%, it seems to be stuck for a little while. I'm going to monitor this closely to try to get a good idea of when it will drop below 10%.ssdlife.png

    561.20 hours
    206.30.98 TiB written
    40.74 MB/s
    MD5 ok

    05: 0
    B1: 116
    E7: 10%
    E9: 166656
    EA/F1: 212288
    F2: 384

  8. #1783
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    A SSD is considered dead normally only when it has no more spare area. A possible explanation for MWI that is stuck to 10 is that from 100 to 10 is scaling with P/E cycles while from 10 to 0 would scale with available spare area.

  9. #1784
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    @Ao1
    It certainly looks like there is no LTT

    Kingston SSDNow 40GB (X25-V)

    342.93TB Host writes
    Reallocated sectors : 8 (this is the second bump in a week or so)
    MD5 OK

    34.17MiB/s on avg (~36 hours)

    --

    Corsair Force 3 120GB

    It disconnected again last night, currently running a tweaked clean-up section, will see if it makes a difference.


    01 90/50 (Raw read error rate)
    05 2 (Retired Block count)
    B1 32 (Wear range delta)
    E6 100 (Life curve status)
    E7 90 (SSD Life left)
    E9 50304 (Raw writes)
    F1 67050 (Host writes)

    107.29MiB/s on avg (~11 hours)
    Uptime 190 hours. (power on hours)

    SSDLife estimates lifetime to be 1 month 19 days.
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  10. #1785
    SSDabuser Christopher's Avatar
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    Quote Originally Posted by Anvil View Post
    @Ao1
    It certainly looks like there is no LTT

    Kingston SSDNow 40GB (X25-V)

    342.93TB Host writes
    Reallocated sectors : 8 (this is the second bump in a week or so)
    MD5 OK

    34.17MiB/s on avg (~36 hours)

    --

    Corsair Force 3 120GB

    It disconnected again last night, currently running a tweaked clean-up section, will see if it makes a difference.


    01 90/50 (Raw read error rate)
    05 2 (Retired Block count)
    B1 32 (Wear range delta)
    E6 100 (Life curve status)
    E7 90 (SSD Life left)
    E9 50304 (Raw writes)
    F1 67050 (Host writes)

    107.29MiB/s on avg (~11 hours)
    Uptime 190 hours. (power on hours)

    SSDLife estimates lifetime to be 1 month 19 days.

    I've not had anymore problems with the Mushkin for the past 36 hours. I've even bumped free space down several GB, in hopes that I can goad the drive into crashing under certain circumstances, and I'm considering dropping a few more incrementally in hopes that I can force a hang or disconnect/reboot . With 6GB Min Free, I'm generating about 10400 files per loop, pretty close to what the Force 3 was, so perhaps I'll have something happen during cleanup.

    Still no retired blocks, though I'd expect that to start happening in the next few days. I'm actually surprised I don't have any now, but I'm not sure that you can compare these to Indilinx drives that come with bad blocks straight out of the box.

  11. #1786
    SSDabuser Christopher's Avatar
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    Morning Update

    Mushkin Chronos Deluxe 60
    05Retired Block Count0
    B1Wear Range Delta16
    F1 Host Writes 37985GB
    E9 NAND Writes 29256GB
    E6 Life Curve 100
    E7 Life Left 87Percent

    Average 122.13MBs last ~37 hours.
    95 Hours Work Time

    I've settled on 6GiB Minimum Free Space with 10400+ files per loop.

    SSDlife expects 23 days to 0 MWI


    Muskin day 5.JPG
    Last edited by Christopher; 09-25-2011 at 06:26 AM.

  12. #1787
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    Quote Originally Posted by sergiu View Post
    A SSD is considered dead normally only when it has no more spare area. A possible explanation for MWI that is stuck to 10 is that from 100 to 10 is scaling with P/E cycles while from 10 to 0 would scale with available spare area.
    Seems reasonable. For the charts, I'm going to consider 10 MWI as exhausted for the Sandforces.

    @SynbiosVyse, you've run the 100% setting long enough that you've undone the skew from the 0% run....you can switch back to 46% compression setting (or even 67% if you want).

  13. #1788
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    Wonder what the next SSD victim will be etc. Maybe one of the Intels ?

  14. #1789
    SSDabuser Christopher's Avatar
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    Quote Originally Posted by Vapor View Post
    Seems reasonable. For the charts, I'm going to consider 10 MWI as exhausted for the Sandforces.

    @SynbiosVyse, you've run the 100% setting long enough that you've undone the skew from the 0% run....you can switch back to 46% compression setting (or even 67% if you want).
    You would think that keeping up with hundreds of TB worth of writes, ECC data, and everything else would really take a toll on SF spare area.

  15. #1790
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    Kingston SSDNow 40GB (X25-V)

    344.23TB Host writes
    Reallocated sectors : 8 (this is the second bump in a week or so)
    MD5 OK

    33.72MiB/s on avg (~48 hours)

    --

    Corsair Force 3 120GB

    01 90/50 (Raw read error rate)
    05 2 (Retired Block count)
    B1 34 (Wear range delta)
    E6 100 (Life curve status)
    E7 89 (SSD Life left)
    E9 53598 (Raw writes)
    F1 71439 (Host writes)

    107.35MiB/s on avg (~22 hours)
    Uptime 202 hours. (power on hours)

    SSDLife estimates lifetime to be 1 month 18 days.
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  16. #1791
    SSDabuser Christopher's Avatar
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    Tonight's Update

    Mushkin Chronos Deluxe 60
    05 0
    Retired Block Count

    B1 14
    Wear Range Delta

    F1 42724
    Host Writes

    E9 32912
    NAND Writes

    E6 100
    Life Curve

    E7 85
    Life Left

    Average 122.66MBs.
    106 Hours Work Time

    5GiB Minimum Free Space

    SSDlife expects 22 days to 0 MWI

    Muskin day 5 part 2.JPG

    Of course, as soon as I posted the update and walked away I had another crash. ASU's totals have been reset to much earlier numbers as well. It doesn't seem to have anything to do with, well, anything. It happens to be very close to the same amount of time after the last reboot. Maybe it's just going to happen every 40 hours.

    Mushkin day 5 update 3 after crash report.JPG
    Last edited by Christopher; 09-25-2011 at 05:45 PM.

  17. #1792
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    Quote Originally Posted by Vapor View Post
    Seems reasonable. For the charts, I'm going to consider 10 MWI as exhausted for the Sandforces.
    I think that is correct, since the threshold is clearly labeled as 10 in the SMART attributes. With SMART attributes, a failure is defined as the normalized value reaching the threshold value.

  18. #1793
    SynbiosVyse
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    This will be my last update at 100%. I will be switching to 46% after this post.

    585.77 hours
    209.7130 TiB written
    40.72 MB/s
    MD5 ok

    05: 0
    B1: 119
    E7: 10%
    E9: 170816
    EA/F1: 215808
    F2: 384

  19. #1794
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    Any news testing an SLC drive ?

  20. #1795
    Moderator Anvil's Avatar
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    I restarted the process on both SSD's an hour ago, no specific reason I just wanted to get ahead of the SF drive doing it's disappearance act. (It had been running for about 33 hours without any issues)

    Kingston SSDNow 40GB (X25-V)

    345.41TB Host writes
    Reallocated sectors : 8
    MD5 OK

    35.43MiB/s on avg (~1 hour)

    --

    Corsair Force 3 120GB

    01 94/50 (Raw read error rate)
    05 2 (Retired Block count)
    B1 35 (Wear range delta)
    E6 100 (Life curve status)
    E7 88 (SSD Life left)
    E9 56554 (Raw writes)
    F1 75376 (Host writes)

    107.62MiB/s on avg (~1 hours)
    Uptime 216 hours. (power on hours)

    SSDLife estimates lifetime to be 1 month 17 days. (November 13th)
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  21. #1796
    Xtreme Addict bluestang's Avatar
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    M225->Vertex Turbo 64GB Update:

    371.99 TiB (411.69 TB) total Another one past the 400 TB mark.
    1054.44 hours
    7922 Raw Wear
    118.41 MB/s avg for the last 64.09 hours (on W7 x64)
    MD5 OK
    C4-Erase Failure Block Count (Realloc Sectors) from 4 to 6.
    (Bank 6/Block 2406; Bank 3/Block 3925; Bank 0/Block 1766; Bank 0/Block 829; Bank 4/Block 3191; Bank 7/Block 937)

    CDI-M225-OCZ-VERTEX-TURBO-09.26.2011.PNG
    Last edited by bluestang; 09-26-2011 at 08:57 AM.
    Home PC -- Cruncher #1
    GA-P67A-UD4-B3 BIOS F8 modded, i7-2600k (L051B138) @ 4.5 GHz, 1.260v full load, HT Enabled, Corsair H70 exhausted @ 1600rpm
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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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  22. #1797
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    The SF drive was disconnected when I got home, so, it ran for about 1 hour after restarting the app.
    Looks like a proper disconnect is needed not just restarting the app.
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  23. #1798
    SSDabuser Christopher's Avatar
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    After the crash early last night, it looks like it crashed again probably somewhere around 4am or 5am. The really annoying thing is, the system crashes and reboots, but the BIOS can't find the OS, so it just sits at a black screen with the error message until I get there to to physically turn it off/on again. After a soft reboot it still can't find the OS, so I have to physically turn the system off.

    I was running it with 5 min GiB free space, so maybe it's hanging on the delete section. I was kinda trying to get that to happen, but only while I was sitting in front of the system.

    The last time I checked before the overnight crash it had crept up to a little over 124MBs. I'm still really liking this drive. OWC makes a 240GB version of this drive but it uses the 2282 SF controller, and is probably the fastest drive out there at the moment.
    Last edited by Christopher; 09-26-2011 at 09:08 AM.

  24. #1799
    SSDabuser Christopher's Avatar
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    I stopped testing for a while, and while the drive was idling just after a reboot, I noticed that Raw Read Error Rate is probably just a timer. It increases at the same pace while idling as it does under endurance loads. If you open CrystalDiskInfo and then just continually refresh the info with F5 you'll see it tick up every second.

  25. #1800
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    m4 update:
    Here is the last screenshot before the avg restarted the rig and I lost contact with it.
    538.0406 TiB
    1759 hours
    Avg speed 91.11 MiB/s.
    AD gone from 46 to 42.
    P/E 9430.
    MD5 OK.
    Still no reallocated sectors
    M4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110916-1148_3.pngM4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110916-1148_2.pngM4-CT064 M4SSD2 SATA Disk Device_64GB_1GB-20110916-1148.png
    I have restartet ASU and will bring next update tomorrow evening.

    Kingston:
    I'm gone try a SE and put the SSD on the esata controll to see if the problem goes away.
    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

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