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

2011-12-19 Thread Poul-Henning Kamp
In message 20111219221617.ga70...@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

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

2011-12-19 Thread Matthew Jacob
Putting it better: http://en.wikipedia.org/wiki/Flash_memory#Read_disturb ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org

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

2011-12-19 Thread Alexander Best
On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219221617.ga70...@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

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

2011-12-19 Thread Poul-Henning Kamp
In message 20111219224700.ga75...@freebsd.org, Alexander Best writes: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219221617.ga70...@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

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

2011-12-19 Thread Alexander Best
On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219224700.ga75...@freebsd.org, Alexander Best writes: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219221617.ga70...@freebsd.org, Alexander Best writes: ps: the hdd only gets mounted read-only! There is no known

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

2011-12-19 Thread Poul-Henning Kamp
In message 20111219225633.ga77...@freebsd.org, Alexander Best writes: no problem. so will the improper alignment also not cause a life expectancy shortage in case of a hdd (non-flash-based)? Well, theoretically you will have more track-to-track seeks, as some blocks will span cylinders, but I

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

2011-12-19 Thread Matthew Jacob
On 12/19/2011 2:22 PM, Poul-Henning Kamp wrote: In message20111219221617.ga70...@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. No, sorry, that's not really true.

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

2011-12-19 Thread Poul-Henning Kamp
In message 4eefb9f3.80...@feral.com, Matthew Jacob writes: On 12/19/2011 2:22 PM, Poul-Henning Kamp wrote: In message20111219221617.ga70...@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.

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

2011-12-19 Thread Alexander Best
On Mon Dec 19 11, Jeremy Chadwick wrote: On Mon, Dec 19, 2011 at 10:56:33PM +, Alexander Best wrote: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219224700.ga75...@freebsd.org, Alexander Best writes: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message

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

2011-12-19 Thread Jeremy Chadwick
On Mon, Dec 19, 2011 at 03:20:10PM -0800, Jeremy Chadwick wrote: On Mon, Dec 19, 2011 at 10:56:33PM +, Alexander Best wrote: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219224700.ga75...@freebsd.org, Alexander Best writes: On Mon Dec 19 11, Poul-Henning Kamp wrote:

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

2011-12-19 Thread Jeremy Chadwick
On Mon, Dec 19, 2011 at 10:56:33PM +, Alexander Best wrote: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219224700.ga75...@freebsd.org, Alexander Best writes: On Mon Dec 19 11, Poul-Henning Kamp wrote: In message 20111219221617.ga70...@freebsd.org, Alexander Best writes:

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

2011-12-19 Thread Warren Block
On Mon, 19 Dec 2011, Alexander Best wrote: no problem. so will the improper alignment also not cause a life expectancy shortage in case of a hdd (non-flash-based)? and one other question: the hdd also supports usb 3. will the improper alignment have any effect (speed wise) when connected via