On 10/15/15 12:43, Josh Grosse wrote:
> On 2015-10-15 12:19, Paolo Aglialoro wrote:
> 
> MyTL;DR - Don't bother.  I used to create "live media" read/only 
> systems,
> with MFS filesystems for read/write.
> 
> You'll find maintaining a read-only system much more difficult.

exactly.

There are a lot of reasons floating gate technology devices (that would
be "Flash", "EEPROM". "EPROM" and kin) fail, ONE of them is write
fatigue.  Obsessing over this ONE failure mode is silly...and in my
experience (like Stuart's) NOT the right thing.

Kinda like obsessing over the tires on your car failing due to the tread
wearing out...and ignoring the nails in the road, potholes, bomb craters
and other such things that will interrupt your travel faster and with
less warning.

Worried about write fatigue?  ok, replace your flash device every five
years or so.  And have a plan in place for all the other things that
/will/ take you down much more often.  Or don't worry about the write
fatigue and replace it or whatever else fails whenever needed.  Or when
it is comically obsolete.

Again, a case of optimizing the wrong thing.  By "improving" your system
as you propose, you will almost certainly create far more downtime and
work on your part.

Nick.

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