50% on pSLC On Mon, Dec 4, 2017 at 12:41, Kevin Chadwick <m8il1i...@gmail.com> wrote:
> On Mon, 04 Dec 2017 06:22:17 -0500 > > > > > We like booting from the SD, but > they have none. > > > > How do you manage flash wear? Set up mfs all over the > place? I much > > prefer and need SATA anyway. > > > This might have been an > issue 20 years ago. > It is not any more. > Please stop spreading FUD. I > assume SD means microSD or something other than SSD. If not I apologise. The > latest atom boards come with 16-64 GB emmc onboard. Apparently emmc may? > perform wear levelling, SD would not unless you pay a fortune for a special > SD card. There seems to be a lot of misinformation in this area which is > quite dangerous considering what some of these devices may be used for. > http://eu.mouser.com/new/Swissbit/swissbit-industrial-SD-memory/ There are > special embedded filesystems (often pay for) that do wear leveling for > standard SD, not sure if they reserve 20% of the space. I am fairly sure even > emmc does not reserve 20% like sandforce/SSD does and so a full filesytem > could fail quickly. Perhaps an unused partition could solve that??
