SSD drives

[Amos Shapira]

Whenever I see questions about SSD I am reminded of the following (a bit
dated but probably still relevant, unless someone can reference an update?):

http://www.codinghorror.com/blog/2011/05/the-hot-crazy-solid-state-drive-scale.html

-Amos
On Dec 31, 2012 5:28 AM, "Gilboa Davara" <gilboad at gmail.com> wrote:

> > It's a 180Gb Intel 520 Series SSD with firmware version 400i.
> ...
> > I have an ext4 filesystem on it.
>
> Semi-OT: A word of friendly warning:
> I recently bricked a 120GB Intel 520 w/ the latest firmware (not sure
> if it was 400i) w/ ext4 on Fedora 17/x86_64. (Second bricked SSD in 12
> months)
> A *very* short power shortage crept under my APC UPS and bricked the SSD.
> Amazingly enough, the power shortage didn't crash the machine - which
> continued working off the main HDD software RAID array.
> Luckily for me I rather distrust SSDs (see below) and use it as fast
> cache-of-sort, so I only lost a couple of hours of work.
>
> IMHO SSDs have one huge drawback: Unlike HDDs that can be partially
> recovered from more-or-less any type of damage by recovering data
> around bad sectors or replacing a fried controller board, SSDs complex
> write scheme and complex firmware usually means that any type of
> damage / firmware error / etc usually bricks it with more or less zero
> chance of getting the data back.
> On the top of that, we (as in all of us) have 40+ years worth of
> experience in predicting the life cycle (and death) of HDDs. There's
> far less information about the life cycle of SSDs.
>
> In short, backup. A lot.
>
> - Gilboa
>
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