brian foster fmmutvinternetie timothy murphy date mon 8 oct 2007 191003 0100 mon 08 oct 2007 conor daly wrote frequently written files dont tend age flash card behind current flash technology well couldnt behind flash cards get tired ide flash disks different yes get tired may definitely always difference doesnt matter package flash card stick drive ide whatever sector flash much larger disc sectors finite number erasewrite cycles number _is_ varies map depending technology nand flash manufacturer tc afaicr manufacturers provide guarantees certain sectors eg 0 numbers ive recall seeing range 100000 cycles something around one million backofenvelope number ive used many years maximum 250000 reliable erasewrite cycles per sector ides drivers wear levelling distributes discblocks dynamic remapping different flashsectors afaicr wearlevelling proactive ides drivers also reactive bad spot management justwritten block sector doesnt read back correctly cheap check done ide drive firmware rewritten another sector ive experience sort flash bad spot management im hazy details hence flash packaged ide drive wont necessarily writelifetime problems say card even though use underlying limitedwrite storage technology cheers blf currently looking job brian foster experienced 25 yrs software engineer montpellier france unix linux embedded designfortest stop eo exxonmobile softwarehardware codesign debugging httpwwwstopessocom kernels drivers filesystems tc résumé cv contact details idl automated testing process tc httpwwwblfutvinternetie wed 06 aug 2008 035249 0200 ilug via epia server