lvm only supports checksums for metadata. It does not checksum the data itself. For checksums with arbitrary filesystems one can have dm-integrity device rather than LVM. But the performance suffer due to separated journal writes by the device.

I said lvmraid[1][2].

[1] https://www.man7.org/linux/man-pages/man7/lvmraid.7.html#DAT...

[2] https://docs.redhat.com/en/documentation/red_hat_enterprise_...