how you created your rootfs ext4 format? your files are in the same partition rootfs?
Em quarta-feira, 21 de maio de 2014 16h21min20s UTC-3, Willem Buitendyk escreveu: > > I have about 150 beaglebone's running wild over a large geographical area, > basically all over British Columbia. When I first deployed them last year > they all started failing within about a month. That amounted to a lot of > needless driving, hair pulling, forehead banging and just general over > anxiety - its a wonder I'm still alive. > > I eventually ended up using two uSD cards, one with a read only mounted > filesystem and the other used for writing data (ext4). My beaglebone's are > paired with a msp430 so I have managed to ensure they also receive a nice, > clean power down. So far its been about a year and I'd say well over 95% > are still working fine. However, I recently talked with a tech support > from an industrial SD card manufacturer and he informed me that SD cards > that are only ever read to can also fail eventually. He suggested that you > write a little bit once in a while to activate the wear levelling > mechanism. As things seem to be working (for now) I haven't drummed up the > courage to try writing again. > > Now we have the beaglebone black with 4G eMMC and I'm wondering just how > much more reliable eMMC is compared to the stock Kingston 4GB cards in read > only mode that came with the Beaglebone. I know eMMC is supposed to be > much improved having an integrated controller but wonder if in a read-only > scenario it makes any difference? Furthermore, I wonder if others on here > can offer any experiences or comparisons of eMMC to say SLC memory? > > Thanks > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
