How to reformat the USB stick that comes with the MINI+
 
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mediafp
(@mediafp)
Active Member
How to reformat the USB stick that comes with the MINI+

I have two MINIs and they both came with with USB sticks. One of those sticks is no longer readable by either one of the MINIs. The other stick can be read by both MINIs so I know the USB port on the printer is working fine.

I just need to know how to properly format the other USB stick so it can be used again and I can use both of my MINIs. I've tried formatting it on a PC using FAT32 setting and that is still not readable. I've tried formatting it using my Mac again with FAT32 -- still not readable. I've tried formatting a completely different 1GB stick using my PC with FAT32 -- doesn't even recognize there is a USB drive inserted at all.

So what is so special about the way Prusa formats these drives that cannot be replicated on any PC or Mac going forward?

Posted : 25/09/2023 6:04 pm
HainjeDAF
(@hainjedaf)
Eminent Member
RE: How to reformat the USB stick that comes with the MINI+

Sounds more that the stick itself died.

 

Try linux?

Posted : 25/09/2023 6:23 pm
Walter Layher
(@walter-layher)
Prominent Member
RE: How to reformat the USB stick that comes with the MINI+

Could be the power loss recovery feature. It writes the current status of the print job to the USB stick. This creates a lot of write operations and perhaps the maximum number of writes for the USB stick will be reached at some point? I don't know how often the status is written by this feature, but if it writes the status after every line of the gcode file that would be really a lot for every print job. Perhaps it would be better to enable this feature only for really big print jobs where it would be really useful to have it?

Posted : 25/09/2023 6:47 pm
_KaszpiR_
(@_kaszpir_)
Honorable Member
RE:

Your USB stick is dead, don't waste time for it. (We killed tens of USB sticks in datacenter on the server clusters because how debian was writing logs to the devices, even though it was ext4 filesystem)

Unfortunately the only way to extend life of the usb sticks with FAT32 is just add some extra files to the usb, so that next writes will be in another free sectors, which means it will be on different physical areas of the memory on the device.

See my GitHub and printables.com for some 3d stuff that you may like.

Posted : 25/09/2023 9:39 pm
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