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I'm looking for the ideal filesystem to place in my SD card holding the root of the operating system.

The FS must support journaling in order to provide better data safeness; compression is also quite necessary considering that cheap SDs can't usually hold a whole small/medium-sized FS; also, wear leveling would be appreciated given the nature of the underlying memory device.

I had a look at some of the most common and "production-level" FS, such as JFFS2, LogFS, UBIFS, etc, but these either can't work with SD cards (they require RAW flash memory access) or don't provide the required features expressed above.

If you know something please let me know.

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closed as not constructive by Ƭᴇcʜιᴇ007, Tog, CharlieRB, Canadian Luke, Dave M Mar 22 '13 at 21:14

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It doesn't have compression, but I've had good luck with XFS on SSDs and Flash drives –  Earlz Mar 22 '13 at 17:32