Le 27/09/2017 à 14:42, Gene Heskett a écrit :
[ 2404.664052] sd 0:0:0:0: [sda] 1953525167 512-byte logical blocks: (1.00 TB/932 GiB) [ 2404.676277] sd 0:0:0:0: [sda] 2048-byte physical blocks But I've now spent several hours trying to put the 1st of 3 partitions on it with figures that satisfy parted's align-check, including calculation of values that result in mod(2048)=0. Nothing seems to satisfy parted.
Can you elaborate ? You description is vague, and we cannot see what's on your screen.
Don't bother with alignment. Modern partitioners' default alignement is suitable for all drives.