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From: CSM1 on 3 May 2010 20:01
JOhn <me(a)gmail.com> wrote in news:ZWHDn.343630$K81.89568(a)newsfe18.iad:

> Robert Neville wrote:
>> JOhn <me(a)gmail.com> wrote:
>>
>>> Bullshit.
>>>
>>> Writing (and reading) to a memory cell on a DRAM does not in any way
>>> damage the cell. What idiot told you that or did you make it up?
>>
>> Flash is not DRAM, and Flash reads aren't limited, but write/erases
>> are limited to around 100K. Some flash memory systems rotate memory
>> blocks to even out wear, but even without that, you aren't likely to
>> run into wearing out the memory unless you use a flash drive as a RAM
>> substitute.
>>
>> Apology accepted.
>
> Slight correction: The Flash drive will not fail in your lifetime.
>
> And just because water will become stale it will still freeze and thaw
> and freeze and thaw and....until the sun explodes. Which will be when
> your flash drive will stop working.

With a 100,000 write lifetime for Flash Drives.

If you wrote to the flash drive once per hour 24 hours per day, that is
4166 days. Since there are 365 days per year, that is 11.41 years.

That is well within a normal lifetime for even a Dog. For a human it is
a lot less tham my life (I am 67 years).

True, that is not normal use, but you sure can burn one out in a few
years of every day use.


--
CSM1
http://www.carlmcmillan.com
From: John Pollard on 3 May 2010 21:33
CSM1 wrote:

> With a 100,000 write lifetime for Flash Drives.
>
> If you wrote to the flash drive once per hour 24 hours per day, that
> is 4166 days. Since there are 365 days per year, that is 11.41 years.
>
> That is well within a normal lifetime for even a Dog. For a human it
> is a lot less tham my life (I am 67 years).
>
> True, that is not normal use, but you sure can burn one out in a few
> years of every day use.

How does 11.4 years of unrealistic use (once per hour, 24 hours a day - 24
backups a day to the flash drive, every day of the year? Puleese!) shrink
to a "few years" of realistic use (how many times a day do you backup?
And if you even approximate the "limit" ... why? ... when it's totally
unnecessary).

The change from ridiculously, nearly impossible, use to realistic use, is
in the opposite direction; not to a "few years" (*less* than 11.41 years)
of use, but to "many many" years (many more than 11.41 years) of use.

Which is about what one would expect for backup files.

Way past the end of your life ... and the life of most backup media.

I think you'll be better off worrying about what others will do with your
perfectly good backups 11.42+ years after you die.

Unless someone provides much better, amply supported, evidence; I suggest
this is a non-concern for any normal human.

--

John Pollard
news://<YOUR-NNTP-NEWSERVER-HERE>/alt.comp.software.financial.quicken
Your source of user-to-user Quicken help


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