HDD 届いてbadblocks 走らせている
1週目(0xaa)完走してた
中古だけど問題なさそうかな :)

$ sudo time badblocks -wsv -o /root/badblocks.txt /dev/sda
Checking for bad blocks in read-write mode
From block 0 to 976762583
Testing with pattern 0xaa: done
Reading and comparing:   4.78% done, 3:10:36 elapsed. (0/0/0 errors)