| QA output created by 034 | 
 |  | 
 | == creating backing file for COW tests == | 
 | Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 | 
 | wrote 1048576/1048576 bytes at offset 0 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=6442450944 backing_file='TEST_DIR/t.IMGFMT.base' | 
 |  | 
 | == zero write with backing file == | 
 | wrote 196608/196608 bytes at offset 65536 | 
 | 192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | wrote 13312/13312 bytes at offset 525312 | 
 | 13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | No errors were found on the image. | 
 |  | 
 | == verifying patterns (3) == | 
 | read 65536/65536 bytes at offset 0 | 
 | 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 196608/196608 bytes at offset 65536 | 
 | 192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 263168/263168 bytes at offset 262144 | 
 | 257 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 13312/13312 bytes at offset 525312 | 
 | 13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 509952/509952 bytes at offset 538624 | 
 | 498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == overwriting zero cluster == | 
 | wrote 8192/8192 bytes at offset 61440 | 
 | 8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | wrote 8192/8192 bytes at offset 65536 | 
 | 8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | wrote 4096/4096 bytes at offset 77824 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | wrote 8192/8192 bytes at offset 258048 | 
 | 8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | wrote 8192/8192 bytes at offset 253952 | 
 | 8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | No errors were found on the image. | 
 |  | 
 | == verifying patterns (4) == | 
 | read 61440/61440 bytes at offset 0 | 
 | 60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 4096/4096 bytes at offset 61440 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 8192/8192 bytes at offset 65536 | 
 | 8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 4096/4096 bytes at offset 73728 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 4096/4096 bytes at offset 77824 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 172032/172032 bytes at offset 81920 | 
 | 168 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 8192/8192 bytes at offset 253952 | 
 | 8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 4096/4096 bytes at offset 262144 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 65536/65536 bytes at offset 266240 | 
 | 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == re-zeroing overwritten area == | 
 | wrote 196608/196608 bytes at offset 65536 | 
 | 192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | No errors were found on the image. | 
 |  | 
 | == verifying patterns (5) == | 
 | read 61440/61440 bytes at offset 0 | 
 | 60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 4096/4096 bytes at offset 61440 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 196608/196608 bytes at offset 65536 | 
 | 192 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 4096/4096 bytes at offset 262144 | 
 | 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 259072/259072 bytes at offset 266240 | 
 | 253 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 13312/13312 bytes at offset 525312 | 
 | 13 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | read 509952/509952 bytes at offset 538624 | 
 | 498 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | *** done |