== sanity test 77n: Verify read from a hole inside contiguous blocks with T10PI ========================================================== 04:24:00 (1789547040)
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00841802 s, 487 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0015407 s, 2.7 MB/s

 SKIP: sanity test_77n f77n.sanity blocks not contiguous around hole