Subject: Re: [CentOS] Errors on an SSD drive




is that because the drive is compressing the information?  is there a way to
turn this off?  i hate mandatory compression as losing one bit in a compressed
file tends to be a big deal compared to the same in an uncompressed file.
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10. Aug 2017 10:06 by [email protected]:


> On Thu, Aug 10, 2017, 6:48 AM Robert Moskowitz <> [email protected]> >
> wrote:
>
>> ----------------------------------------
>>
> SSD's, in particular SD Cards (which you're not using, which is noted as
> /dev/mmcblk0...) store you data as a probabilistic representation, and
> through a lot of magic, the probability of retrieving your data correctly
> from SSD is made very high. Almost deterministic.
>
> The magic is in the firmware, and so there's some possibility any given SSD
> problem is related to a firmware bug. So it's worth comparing the firmware
> reported by smartctl and what the manufacturer has, and then their
> changelog. Most have a way to update firmware without Windows, but don't
> have images that will boot an arm board, usually the "universal" updater is
> based on FreeDOS funny enough. You'd need to stick the SSD in an x86
> computer to do this. Hilariously perverse, I did this with a Samsung 830
> SSD a while back, sticking it into a Macbook Pro, and burned that firmware
> ISO onto a DVD-RW, and it booted that Mac (using the firmware's BIOS
> compatibility support module) and updated the SSD's firmware without a
> problem.
>
>
>
> Chris Murphy
>...

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