<div dir="ltr">In fact looking back at the SOS logs it even managed to detect it:<div><br></div><div><span style="color:rgb(51,51,51);font-family:'Open Sans',Helvetica,Arial,sans-serif;font-size:14.3px;line-height:20.4286px;background-color:rgb(245,245,245)">USB-READONLY</span><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 9 March 2016 at 13:31, Marty Strong <span dir="ltr"><<a href="mailto:marty@martystrong.co.uk" target="_blank">marty@martystrong.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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.</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On 9 March 2016 at 08:46, Hank Nussbacher <span dir="ltr"><<a href="mailto:hank@efes.iucc.ac.il" target="_blank">hank@efes.iucc.ac.il</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On 07/03/2016 15:24, M. Piscaer wrote:<br>
<br>
</span>Finally got it up. USB was fired. Threw it away.<br>
<br>
Thanks to all,<br>
Hank<br>
<div><div><br>
> Hi Hank,<br>
><br>
> On <a href="https://www.youtube.com/watch?v=Y8oF0MaoUlQ" rel="noreferrer" target="_blank">https://www.youtube.com/watch?v=Y8oF0MaoUlQ</a> I saw that you can use an<br>
> new clean USB disk. When the usb disk is FAT formated, the probe will<br>
> use that new usb stick.<br>
><br>
> Kind regards,<br>
><br>
> Michiel Piscaer<br>
><br>
> On 07-03-16 14:09, Hank Nussbacher wrote:<br>
>> On 07/03/2016 10:49, Gert Doering wrote:<br>
>>> Hi,<br>
>>><br>
>>> On Mon, Mar 07, 2016 at 10:39:47AM +0200, Hank Nussbacher wrote:<br>
>>>> What does that mean? I can try reseating the USB again, but if that<br>
>>>> doesn't work, it could be the USB is fried?<br>
>>> Try the USB stick in a "normal" PC and see whether it can be formatted<br>
>>> there. I recently had one of mine completely break - the stick could be<br>
>>> seen, but it was empty and all write access failed.<br>
>> I pulled the USB stick and tried formatting it. Even though it says 4GB<br>
>> Sandisk, I could only get it to 1GB.<br>
>> So I opened a new probe, extracted its USB stick and stuck it into the<br>
>> probe as well (unformatted). Still off-line.<br>
>><br>
>> I went to our "lights out" facility 3x today - a 15 minute brisk walk<br>
>> across campus and don't have time to<br>
>> go there again.<br>
>><br>
>> At home it is far easier to play with these things then it is when the<br>
>> probe is installed as close to your network core as possible (which is<br>
>> usually at a LO facility). I know exactly how you feel!<br>
>><br>
>> -Hank<br>
>><br>
>>> I'm not sure what the Atlas v3 does with its USB stick, but this is the<br>
>>> number one problem issue... maybe a new firmware version could be designed<br>
>>> that has more advanced flash handling (like, ubifs instead of "normal"<br>
>>> filesystems) and falls back to "not use flash if the flash is broken".<br>
>>><br>
>>> What I see with my probes is that the aim of the flash buffer ("we can<br>
>>> store measurement results if we can't upload them to the control server<br>
>>> due to network outages etc." -> less probability of result loss) is<br>
>>> actually backfiring into "extended downtimes of probes due to USB breakage<br>
>>> of probes in locations where you can't just-so swap the USB flash"...<br>
>>> (two of my 3 v3 probes have had virtually no network outages since they<br>
>>> are operating, and the central servers also had few outages - but both<br>
>>> have been down for weeks because I just had no time to go out, buy a<br>
>>> new flash drive, and *drive over* to replace it - once again)<br>
>>><br>
>>> Gert Doering<br>
>>> -- NetMaster<br>
>><br>
>><br>
<br>
<br>
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