Monday, October 21, 2019

linux - How do I test if my SSD uses compression?

I am thinking of running the filesystem with btrfs on my SSD. This might make the disk last longer or run faster, because if we compress the filesystem there is less to write. (I understand this is not the case with NTFS, as IIRC NTFS has to write the file uncompressed and compress it later). However, if the SSD itself uses compression, using a compressed filesystem is unlikely to help in this way.


I tried smartctl, which tells it is a LZT-128 with firmware version ZYA3, but I haven't been able to find information on whether this drive uses compression.


How can I test if my SSD uses compression?

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