can a wrong alignment cause a decrease in a hdd's life expectancy?

Alexander Best arundel at freebsd.org
Mon Dec 19 22:47:00 UTC 2011


On Mon Dec 19 11, Poul-Henning Kamp wrote:
> In message <20111219221617.GA70383 at freebsd.org>, Alexander Best writes:
> 
> >ps: the hdd only gets mounted read-only!
> 
> There is no known wear-effects in flash storage as long as you
> only read.
> 
> You may need to do refresh-writes every 5-10 years to avoid
> tunnel-leakage bit errors, but most flash controllers use semi-long
> ECC syndromes and will do so on first bit that gives an read error.

this is a regular hdd i believe -- no ssd. at least when i plug it into my
usb drive i hear the hdd spinning up and causing vibrations. i don't think
that would be the case with an ssd.

> 
> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe    
> Never attribute to malice what can adequately be explained by incompetence.


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