1397*2^942618-1 (283760 digits)
1215*2^943241-1 (283947 digits)

8th drive:
6369*2^843816-1 (254018 digits)
3975*2^844421-1 (254200 digits)

9999*2^870749-1 (262126 digits)

4171*2^703653-1 (211825 digits)
4011*2^704366-1 (212039 digits)
4089*2^705520-1 (212387 digits)
4143*2^706010-1 (212534 digits)

9th drive:
22095*2^876019-1 (263713 digits)

Another 9th drive:
22365*2^878720-1 (264526 digits)

From the 10th drive:
20591*2^814466-1 (245184 digits)

Another one in the 10th drive:
27029*2^857520-1 (258144 digits)

1369*2^944999-1 (284477 digits)

4089*2^709783-1 (213670 digits)

1027*2^947585-1 (285255 digits)

10781*2^866318-1 (260792 digits) is not prime

19259*2^866316-1 (260792 digits) is prime