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| lwc:hardware:wear_leveling [2025/11/14 06:58] – John Harrison | lwc:hardware:wear_leveling [2025/11/14 10:58] (current) – John Harrison |
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| </code> | </code> |
| === lighten ext4 journaling === | === lighten ext4 journaling === |
| //not sure ''data=writeback'' especially is a good idea and will survive ungraceful powerdown ongoingly without then mounting as RO on reboot at some point due to corrupted system// | //not sure ''data=writeback'' especially is a good idea and will survive ungraceful powerdown ongoingly without then mounting as RO on reboot at some point due to corrupted system. I'm thinking though even though data corruption is more likely, it will not flag a disk corruption. Instead some file data may be lost.// |
| * in ''/etc/fstab'': ''/dev/mmcblk1p1 / ext4 noatime,data=writeback,barrier=1,commit=60,errors=remount-ro 0 1'' | * in ''/etc/fstab'': ''/dev/mmcblk1p1 / ext4 noatime,data=writeback,barrier=1,commit=60,errors=remount-ro 0 1'' |
| * ''noatime'': don't update access time every time you read a file | * ''noatime'': don't update access time every time you read a file |