In my case, I didn’t format as EXT4.

Btw, this issue sounds unique to a specific brand of Chinese made USB sticks. There was one 64GB stick I had in inventory that would malfunction in this manner whenever I tried to format in anything other than a standard MBR/NTFS/FAT32 arrangement. I gave up on it and strictly use it on the windows laptop.. btw,  I also discovered, much to my disappointment that some brands of SD card will not, under any circumstances, support a GPT based boot loader. Tried on windows last night with Diskpart and it barfed stating that the operation was not supported. Tried it on my OS X machine and it worked just fine. Haven’t tried it on the other linux laptop as yet.

-Eric
From the Central Offices of the Technomage Guild, Hardware Research and Development Dept.


On Jan 19, 2023, at 6:29 AM, Michael via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:

But it seems that when I formatted my devices to ext4 it made them read only. How did you format them? I think that because after I set partition type to msdos and format to ntfs the device acted as normal.

On Thu, Jan 19, 2023 at 7:21 AM Eric Oyen via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:
GPT is definitely preferred for anything over 32GB as that will allow for greater filesystem size. I routinely set that flag on any device I have that requires access above the 32GB 32 bit limitation. Since that covered virtually all devices in my inventory now, it’s just prudent to set it this way. I also format EXFaT so that I can use said devices across the broadest possible OS platforms.

-Eric
From the Central Offices of the Technomage Guild, HDD refurbishment Dept.


On Jan 17, 2023, at 6:31 AM, Michael via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:

I was kinda oopy last night (I didn't google a solution to how to fix it ) but I just did and found out how to set the partition table. But which should I choose? I've heard gpt mentioned but am unsure. Could I hear some opinions from the learnED here?

On Mon, Jan 16, 2023 at 9:29 PM Michael <bmike1@gmail.com> wrote:
in my other thread I looked at a gparted report. Well it had something related to this thread. In the report it is mentioned that file system type is ext4 but that the partition table  is msdos. Does that matter.How should it be fixed if it does?

========================================

Device:/dev/sdb
Model:SanDisk Ultra
Serial:
Sector size:512
Total sectors:240353280
 
Heads:255
Sectors/track:2
Cylinders:471280
 
Partition table:msdos
 
PartitionTypeStartEndFlagsPartition NameFile SystemLabelMount Point
/dev/sdb1Primary2048240353279ext4/media/michael/5d19820a-dfe9-4a0f-8593-9339e9b4ecd2

========================================



On Mon, Jan 16, 2023 at 8:41 PM Michael <bmike1@gmail.com> wrote:
Okay,  I spent the last thirty minutes copying all the files from the fat fomatted drive to a folder on the desktop. Then I formatted the drive to ext4. Now I can't drag the files back on to the USB drive. I suppose I could chmod -r 777 the drive but what is the right way to do it?
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