== sanity test 77n: Verify read from a hole inside contiguous blocks with T10PI ========================================================== 21:08:10 (1777424890)
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00673782 s, 608 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00189797 s, 2.2 MB/s

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