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Add information on how to check current cluster size under Linux #2391
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Do you think it's worth the double check? i.e. Our given mkdosfs command should have it formatted correctly. We don't double-check for Windows either, so if this were to be added, it should be applied to the other operating systems as well. |
Hi, sorry I forgot about this.
It might not be useful to immediately check the cluster size after formatting. However it might be useful to check it if you formatted with some other tool or have an old install and you are considering whether you should re-format the SD card or not (moving all files to a PC and back might be very slow, depending on size of card and speed).
I'm not very familiar with how to do this on Windows, but I would guess either the properties window or the Disk management tool could easily show this info. It's a bit unfortunate that GNOME Disks on Linux kinda hides it (although it might be exposed via udisks) |
Pages with issue(s)
https://3ds.hacks.guide/formatting-sd-(linux)
Description of the issue(s)
It is actually possible to determine what is the current cluster size of a FAT32 partition under Linux, it might be useful to add that information to guide.
The command is:
$ fsck.fat -n -v /dev/<SD card device>
-n
here means do a check without changing anything and-v
for verbose.The important part is this section:
So it's possible to see the SD card is formatted with 32 kb cluster size.
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