In fact looking back at the SOS logs it even managed to detect it: USB-READONLY
On 9 March 2016 at 13:31, Marty Strong <[email protected]> wrote: > I've had 2 probes that died recently, around the same time, USB seems to > be dead. I saw a thread a while back about these SanDisk drives being known > faulty and going into read-only mode. Replacing the USB seems to have > sorted them anyway. > > On 9 March 2016 at 08:46, Hank Nussbacher <[email protected]> wrote: > >> On 07/03/2016 15:24, M. Piscaer wrote: >> >> Finally got it up. USB was fired. Threw it away. >> >> Thanks to all, >> Hank >> >> > Hi Hank, >> > >> > On https://www.youtube.com/watch?v=Y8oF0MaoUlQ I saw that you can use >> an >> > new clean USB disk. When the usb disk is FAT formated, the probe will >> > use that new usb stick. >> > >> > Kind regards, >> > >> > Michiel Piscaer >> > >> > On 07-03-16 14:09, Hank Nussbacher wrote: >> >> On 07/03/2016 10:49, Gert Doering wrote: >> >>> Hi, >> >>> >> >>> On Mon, Mar 07, 2016 at 10:39:47AM +0200, Hank Nussbacher wrote: >> >>>> What does that mean? I can try reseating the USB again, but if that >> >>>> doesn't work, it could be the USB is fried? >> >>> Try the USB stick in a "normal" PC and see whether it can be formatted >> >>> there. I recently had one of mine completely break - the stick could >> be >> >>> seen, but it was empty and all write access failed. >> >> I pulled the USB stick and tried formatting it. Even though it says >> 4GB >> >> Sandisk, I could only get it to 1GB. >> >> So I opened a new probe, extracted its USB stick and stuck it into the >> >> probe as well (unformatted). Still off-line. >> >> >> >> I went to our "lights out" facility 3x today - a 15 minute brisk walk >> >> across campus and don't have time to >> >> go there again. >> >> >> >> At home it is far easier to play with these things then it is when the >> >> probe is installed as close to your network core as possible (which is >> >> usually at a LO facility). I know exactly how you feel! >> >> >> >> -Hank >> >> >> >>> I'm not sure what the Atlas v3 does with its USB stick, but this is >> the >> >>> number one problem issue... maybe a new firmware version could be >> designed >> >>> that has more advanced flash handling (like, ubifs instead of "normal" >> >>> filesystems) and falls back to "not use flash if the flash is broken". >> >>> >> >>> What I see with my probes is that the aim of the flash buffer ("we can >> >>> store measurement results if we can't upload them to the control >> server >> >>> due to network outages etc." -> less probability of result loss) is >> >>> actually backfiring into "extended downtimes of probes due to USB >> breakage >> >>> of probes in locations where you can't just-so swap the USB flash"... >> >>> (two of my 3 v3 probes have had virtually no network outages since >> they >> >>> are operating, and the central servers also had few outages - but both >> >>> have been down for weeks because I just had no time to go out, buy a >> >>> new flash drive, and *drive over* to replace it - once again) >> >>> >> >>> Gert Doering >> >>> -- NetMaster >> >> >> >> >> >> >> >
