eMMC suggestions/questions

MNT Pocket Reform
1

Currently using i.MX8 although I’ll likely upgrade the module. Everything below should also apply to any other module with an eMMC though.

  • It seems like a good idea to add noatime to fstab mount options. I always do this on eMMCs to prolong their lifetime and so far have had no problems. I’m sure atime is useful for certain special use cases but I have no use for it.
  • Does anyone know who makes the eMMC? Is the discard support OK? Many modern eMMCs support trim/discard and this may help with performance and longevity. It can’t be done blindly though since not all mfgs follow the typical SSD spec.
  • Has anyone tried encrypting the root eMMC partition? Any issues getting it working? Eventually I’d like to use the eMMC as a recovery system but I’d prefer to encrypt the data at rest.
2

Just a question about the topic, is this about MNT Pocket Reform and i.MX8M Plus module?

3

I am currently using the Pocket Reform with i.MX8M but this should be relevant to any system/module with an eMMC. (Besides, I may upgrade the module soon.) I’d welcome thoughts and feedback from anyone regardless of their specific setup, as others may have made similar changes.

If this should be in the Pocket Reform topic that’s fine, it just seemed to have broader implications.