Information: Got a new laptop with 32GB eMMC, booted with Lubuntu. Got a 64GB MicroSD card.

Problem: The microSD card needs a FS that is as fast as possible as it is technically a "native drive".

Question: I need a filesystem that is optimised for MicroSD cards, native to Linux systems (or by FUSE compatibility).

Additional info: I am thinking between ext4, exFAT, but is there a better optimised FS that you would know for microSD cards?


f2fs seems designed for this case. See https://lwn.net/Articles/518988/ from where I'm quoting:

"f2fs [...] is the "flash-friendly file system", a new filesystem for Linux recently [2012] announced by engineers from Samsung. Unlike jffs2 and logfs, f2fs is not targeted at raw flash devices, but rather at the specific hardware that is commonly available to consumers — SSDs, eMMC, SD cards, and other flash storage with an FTL (flash translation layer) already built in."

  • Thanks! But for future references, on Lubuntu I had to install f2fs-tools and libf2fs0 to be able to format it in f2fs. – Timothy Wong Feb 8 '17 at 15:47

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