Right, so do usb flash drives hav ethe same wear leveling algorithms that the newer SSD's use?
aslo, I would want to put some things like /tmp into a ramdisk. also, could I disable the paging file? just thinking about reducing unnecessary writes. Nathaniel C. Steele Assistant Chief Engineer/Technical Director WTRM-FM / TheCrossFM On 10/11/2012 6:23 PM, Cowboy wrote: > On Thursday 11 October 2012 05:37:26 pm Wayne Merricks wrote: >> USB pen drives also generally have quite low write wear rates before the >> flash dies, its not a problem I've ever noticed over the years but I suppose >> if there is constant writes to the drive you might eventually burn out part >> of it. >> >> Having said that its probably not much less reliable than normal drives. >> > Modern flash memory is typically good for 100K or so erase-write cycles. > Some of the newer flash are claiming 1M cycles, so yes, at some point they > will start reporting errors as the ROM wears out, but the real question > ( to which you allude ) is how many erase-write cycles will you be > subjecting > it to over its expected life ? ( erase is much harder on the ROM than write > ) > > In my experience as a data recovery guy, hard disks fail mostly due to > mechanical > reasons. Bearing failure in Western Digital, head crashes in Seagate, they > all > have their typical failure modes. These are functions of mechanical stress. > Flash doesn't suffer mechanical stresses, but the medium does "wear" > with number of cycles. The controller on solid state drives tends to use the > memory much like a conventional hard drive, where the data isn't erased. > The sectors are merely marked "available" and sit dormant until needed, so > even though a particular block ( and flash blocks are much larger. That's > how > they get speed over EEPROM ) has its wear limits, the controller by using > other > blocks can attempt to minimize wear on individual blocks, so a solid state > "hard drive" can easily last as long as spinning platters. > Longer, if the data on it is only a fraction of its capacity. > _______________________________________________ Rivendell-dev mailing list [email protected] http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev
