[kwlug-disc] SSD Failure Symptoms and Recovering Data?

[L.D. Paniak]

The prices at Newegg for Samsung SSDs are quite amazing:
https://www.newegg.ca/Product/Product.aspx?item=N82E16820147669
2TB SSD for $500?

Similarly for NVMe flash:
https://www.newegg.ca/Product/Product.aspx?item=N82E16820147691

Maybe the home all-flash array is not that far off after all!

-Lori


On 11/8/18 09:43, CrankyOldBugger wrote:
> Ditto on the EVOs..  pretty solid drives.  I've had a few, with no issues.
>
>
>
> On Thu, 8 Nov 2018 at 09:41, Benjamin Tompkins <bjtompkins at gmail.com
> <mailto:bjtompkins at gmail.com>> wrote:
>
>     I agree with Ron on this one.  You pretty much can't go wrong with
>     any of the Samsung EVO/PRO SSDs.  I personally have a couple of
>     the 850 and 960s in use at home.
>
>     On Thu, Nov 8, 2018 at 9:35 AM Ron Singh <ronsingh149 at gmail.com
>     <mailto:ronsingh149 at gmail.com>> wrote:
>
>         Sorry to hear of your SSD woes Khalid, must be a ton of read
>         retries causing the slow copy?
>
>         We use a ton of Samsung 860 Pro and EVO in my world for
>         laptops/workstations and cache devices on NAS units. The 860
>         PRO with it's LMC tech is likely overkill for an end-user
>         situation and the prices are brutal.
>
>         The 860 EVO is the perfect blend of decent pricing and
>         unparalleled reliability compared to it's peers in the TLC realm.
>
>         We have used Intel, Sandisk, Crucial/Micron, and Samsung since
>         about 2009 and the Samsung are the ones holding up best, only
>         about 4-5 failures in 9 years within a population of at least
>         3000 units in play. The Intel units were the worse.
>
>         The prices online at at CC are remarkably low for Samsung and
>         a fair number of SSDs out there, hard to go wrong.
>
>         Thanks,
>
>         Ron Singh
>
>
>
>         On Wed, Nov 7, 2018 at 11:25 PM Khalid Baheyeldin
>         <kb at 2bits.com <mailto:kb at 2bits.com>> wrote:
>
>             So, the excepted happened and a laptop with an SSD failed.
>
>             The laptop itself is OK, despite its age, but the SSD
>             (added in the past few years), failed.
>             First, it was a SMART error like this:
>
>             Device: /dev/sda [SAT], 1 Offline uncorrectable sectors
>
>             Device info:
>             HP SSD S700 120GB, S/N:xxxx, FW:Q0330B1, 120 GB
>
>             Then it was 3 sectors, and yesterday it was 33 sectors.
>
>             I started copying the data off of the SSD to an external
>             USB disk. It is working, but it is very slow.
>             The shell command is slow when I press tab for command
>             completion. Most commands time out (systemd reports
>             several timeouts). The disk is mounted read only.
>
>             The copying is now a day and a half for a only a few tens
>             of GB. The target disk flickers once every minute or so.
>
>             Why is this copying too slow?
>
>             Another question is what replacement SSD should I get. Ron
>             Singh posted a while back about Samsung EVO 860, which are
>             still on sale at Canada Computers and BestBuy (ends
>             tomorrow), e.g.
>
>             https://www.canadacomputers.com/product_info.php?cPath=179_1229_1088&item_id=120021
>
>             Are these still a good value? Or are there alternatives?
>             -- 
>             Khalid M. Baheyeldin
>             2bits.com <http://2bits.com>, Inc.
>             Fast Reliable Drupal
>             Drupal optimization, development, customization and
>             consulting.
>             Simplicity is prerequisite for reliability. -- Edsger
>             W.Dijkstra
>             Simplicity is the ultimate sophistication. -- anonymous
>
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