QA output created by 271 ### Standard write tests (backing file: yes) ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=1048576 Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=1048576 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw write -q -P PATTERN 0 1k L2 entry #0: 0x8000000000050000 0000000000000001 write -q -P PATTERN 3k 512 L2 entry #0: 0x8000000000050000 0000000000000003 write -q -P PATTERN 5k 1k L2 entry #0: 0x8000000000050000 0000000000000007 write -q -P PATTERN 6k 2k L2 entry #0: 0x8000000000050000 000000000000000f write -q -P PATTERN 8k 6k L2 entry #0: 0x8000000000050000 000000000000007f write -q -P PATTERN 15k 4k L2 entry #0: 0x8000000000050000 00000000000003ff write -q -P PATTERN 32k 1k L2 entry #0: 0x8000000000050000 00000000000103ff write -q -P PATTERN 63k 4k L2 entry #0: 0x8000000000050000 00000000800103ff L2 entry #1: 0x8000000000060000 0000000000000003 write -q -z 2k 2k L2 entry #0: 0x8000000000050000 00000002800103fd write -q -z 0 64k L2 entry #0: 0x8000000000050000 ffffffff00000000 write -q -P PATTERN 0 64k L2 entry #0: 0x8000000000050000 00000000ffffffff write -q -z -u 0 32k L2 entry #0: 0x8000000000050000 0000ffffffff0000 write -q -z -u 0 64k L2 entry #0: 0x0000000000000000 ffffffff00000000 write -q -P PATTERN 3k 512 L2 entry #0: 0x8000000000050000 fffffffd00000002 write -q -P PATTERN 0 64k L2 entry #0: 0x8000000000050000 00000000ffffffff discard -q 0 64k L2 entry #0: 0x0000000000000000 ffffffff00000000 write -q -c -P PATTERN 0 64k L2 entry #0: 0x4000000000050000 0000000000000000 write -q -P PATTERN 3k 512 L2 entry #0: 0x8000000000070000 00000000ffffffff ### Standard write tests (backing file: no) ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=1048576 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 write -q -P PATTERN 0 1k L2 entry #0: 0x8000000000050000 0000000000000001 write -q -P PATTERN 3k 512 L2 entry #0: 0x8000000000050000 0000000000000003 write -q -P PATTERN 5k 1k L2 entry #0: 0x8000000000050000 0000000000000007 write -q -P PATTERN 6k 2k L2 entry #0: 0x8000000000050000 000000000000000f write -q -P PATTERN 8k 6k L2 entry #0: 0x8000000000050000 000000000000007f write -q -P PATTERN 15k 4k L2 entry #0: 0x8000000000050000 00000000000003ff write -q -P PATTERN 32k 1k L2 entry #0: 0x8000000000050000 00000000000103ff write -q -P PATTERN 63k 4k L2 entry #0: 0x8000000000050000 00000000800103ff L2 entry #1: 0x8000000000060000 0000000000000003 write -q -z 2k 2k L2 entry #0: 0x8000000000050000 00000002800103fd write -q -z 0 64k L2 entry #0: 0x8000000000050000 ffffffff00000000 write -q -P PATTERN 0 64k L2 entry #0: 0x8000000000050000 00000000ffffffff write -q -z -u 0 32k L2 entry #0: 0x8000000000050000 0000ffffffff0000 write -q -z -u 0 64k L2 entry #0: 0x0000000000000000 ffffffff00000000 write -q -P PATTERN 3k 512 L2 entry #0: 0x8000000000050000 fffffffd00000002 write -q -P PATTERN 0 64k L2 entry #0: 0x8000000000050000 00000000ffffffff discard -q 0 64k L2 entry #0: 0x0000000000000000 ffffffff00000000 write -q -c -P PATTERN 0 64k L2 entry #0: 0x4000000000050000 0000000000000000 write -q -P PATTERN 3k 512 L2 entry #0: 0x8000000000070000 00000000ffffffff ### Overwriting several clusters without COW ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=1048576 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 write -q -P PATTERN 24k 40k L2 entry #0: 0x8000000000050000 00000000fffff000 write -q -P PATTERN 90k 2k L2 entry #1: 0x8000000000060000 0000000000002000 write -q -P PATTERN 156k 2k L2 entry #2: 0x8000000000070000 0000000000004000 write -q -z 156k 2k L2 entry #2: 0x8000000000070000 0000400000000000 write -q -P PATTERN 192k 34k L2 entry #3: 0x8000000000080000 000000000001ffff write -q -P PATTERN 24k 192k L2 entry #0: 0x8000000000050000 00000000fffff000 L2 entry #1: 0x8000000000060000 00000000ffffffff L2 entry #2: 0x8000000000070000 00000000ffffffff L2 entry #3: 0x8000000000080000 000000000001ffff ### Writing zeroes 1: unallocated clusters (backing file: yes) ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992 Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=2132992 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw write -q -z 0 192k L2 entry #0: 0x0000000000000000 ffffffff00000000 L2 entry #1: 0x0000000000000000 ffffffff00000000 L2 entry #2: 0x0000000000000000 ffffffff00000000 write -q -z 224k 128k L2 entry #3: 0x0000000000000000 ffff000000000000 L2 entry #4: 0x0000000000000000 ffffffff00000000 L2 entry #5: 0x0000000000000000 0000ffff00000000 write -q -z 415k 128k L2 entry #6: 0x8000000000050000 ffff000000008000 L2 entry #7: 0x0000000000000000 ffffffff00000000 L2 entry #8: 0x8000000000060000 00007fff00008000 ### Writing zeroes 2: allocated clusters (backing file: yes) ### write -q -P PATTERN 576k 576k L2 entry #9: 0x8000000000070000 00000000ffffffff L2 entry #10: 0x8000000000080000 00000000ffffffff L2 entry #11: 0x8000000000090000 00000000ffffffff L2 entry #12: 0x80000000000a0000 00000000ffffffff L2 entry #13: 0x80000000000b0000 00000000ffffffff L2 entry #14: 0x80000000000c0000 00000000ffffffff L2 entry #15: 0x80000000000d0000 00000000ffffffff L2 entry #16: 0x80000000000e0000 00000000ffffffff L2 entry #17: 0x80000000000f0000 00000000ffffffff write -q -z 576k 192k L2 entry #9: 0x8000000000070000 ffffffff00000000 L2 entry #10: 0x8000000000080000 ffffffff00000000 L2 entry #11: 0x8000000000090000 ffffffff00000000 write -q -z 800k 128k L2 entry #12: 0x80000000000a0000 ffff00000000ffff L2 entry #13: 0x80000000000b0000 ffffffff00000000 L2 entry #14: 0x80000000000c0000 0000ffffffff0000 write -q -z 991k 128k L2 entry #15: 0x80000000000d0000 ffff00000000ffff L2 entry #16: 0x80000000000e0000 ffffffff00000000 L2 entry #17: 0x80000000000f0000 00007fffffff8000 ### Writing zeroes 3: compressed clusters (backing file: yes) ### write -q -c -P PATTERN 1152k 64k L2 entry #18: 0x4000000000100000 0000000000000000 write -q -c -P PATTERN 1216k 64k L2 entry #19: 0x4000000000110000 0000000000000000 write -q -c -P PATTERN 1280k 64k L2 entry #20: 0x4000000000120000 0000000000000000 write -q -c -P PATTERN 1344k 64k L2 entry #21: 0x4000000000130000 0000000000000000 write -q -c -P PATTERN 1408k 64k L2 entry #22: 0x4000000000140000 0000000000000000 write -q -c -P PATTERN 1472k 64k L2 entry #23: 0x4000000000150000 0000000000000000 write -q -c -P PATTERN 1536k 64k L2 entry #24: 0x4000000000160000 0000000000000000 write -q -c -P PATTERN 1600k 64k L2 entry #25: 0x4000000000170000 0000000000000000 write -q -c -P PATTERN 1664k 64k L2 entry #26: 0x4000000000180000 0000000000000000 write -q -c -P PATTERN 1728k 64k L2 entry #27: 0x4000000000190000 0000000000000000 write -q -c -P PATTERN 1792k 64k L2 entry #28: 0x40000000001a0000 0000000000000000 write -q -z 1152k 192k L2 entry #18: 0x0000000000000000 ffffffff00000000 L2 entry #19: 0x0000000000000000 ffffffff00000000 L2 entry #20: 0x0000000000000000 ffffffff00000000 write -q -z 1376k 128k L2 entry #21: 0x8000000000100000 00000000ffffffff L2 entry #22: 0x8000000000110000 00000000ffffffff L2 entry #23: 0x8000000000120000 00000000ffffffff write -q -z 1567k 129k L2 entry #24: 0x8000000000130000 00000000ffffffff L2 entry #25: 0x8000000000140000 00000000ffffffff L2 entry #26: 0x8000000000150000 00000000ffffffff write -q -z 1759k 128k L2 entry #27: 0x8000000000160000 ffff00000000ffff L2 entry #28: 0x0000000000000000 ffffffff00000000 L2 entry #29: 0x8000000000170000 00007fff00008000 ### Writing zeroes 4: other tests (backing file: yes) ### write -q -z 1951k 8k L2 entry #30: 0x8000000000180000 0007000000088000 write -q -z 2048k 35k L2 entry #32: 0x0000000000000000 0003ffff00000000 ### Writing zeroes 1: unallocated clusters (backing file: no) ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992 write -q -z 0 192k L2 entry #0: 0x0000000000000000 ffffffff00000000 L2 entry #1: 0x0000000000000000 ffffffff00000000 L2 entry #2: 0x0000000000000000 ffffffff00000000 write -q -z 224k 128k L2 entry #3: 0x0000000000000000 ffff000000000000 L2 entry #4: 0x0000000000000000 ffffffff00000000 L2 entry #5: 0x0000000000000000 0000ffff00000000 write -q -z 415k 128k L2 entry #6: 0x0000000000000000 ffff800000000000 L2 entry #7: 0x0000000000000000 ffffffff00000000 L2 entry #8: 0x0000000000000000 0000ffff00000000 ### Writing zeroes 2: allocated clusters (backing file: no) ### write -q -P PATTERN 576k 576k L2 entry #9: 0x8000000000050000 00000000ffffffff L2 entry #10: 0x8000000000060000 00000000ffffffff L2 entry #11: 0x8000000000070000 00000000ffffffff L2 entry #12: 0x8000000000080000 00000000ffffffff L2 entry #13: 0x8000000000090000 00000000ffffffff L2 entry #14: 0x80000000000a0000 00000000ffffffff L2 entry #15: 0x80000000000b0000 00000000ffffffff L2 entry #16: 0x80000000000c0000 00000000ffffffff L2 entry #17: 0x80000000000d0000 00000000ffffffff write -q -z 576k 192k L2 entry #9: 0x8000000000050000 ffffffff00000000 L2 entry #10: 0x8000000000060000 ffffffff00000000 L2 entry #11: 0x8000000000070000 ffffffff00000000 write -q -z 800k 128k L2 entry #12: 0x8000000000080000 ffff00000000ffff L2 entry #13: 0x8000000000090000 ffffffff00000000 L2 entry #14: 0x80000000000a0000 0000ffffffff0000 write -q -z 991k 128k L2 entry #15: 0x80000000000b0000 ffff00000000ffff L2 entry #16: 0x80000000000c0000 ffffffff00000000 L2 entry #17: 0x80000000000d0000 00007fffffff8000 ### Writing zeroes 3: compressed clusters (backing file: no) ### write -q -c -P PATTERN 1152k 64k L2 entry #18: 0x40000000000e0000 0000000000000000 write -q -c -P PATTERN 1216k 64k L2 entry #19: 0x40000000000f0000 0000000000000000 write -q -c -P PATTERN 1280k 64k L2 entry #20: 0x4000000000100000 0000000000000000 write -q -c -P PATTERN 1344k 64k L2 entry #21: 0x4000000000110000 0000000000000000 write -q -c -P PATTERN 1408k 64k L2 entry #22: 0x4000000000120000 0000000000000000 write -q -c -P PATTERN 1472k 64k L2 entry #23: 0x4000000000130000 0000000000000000 write -q -c -P PATTERN 1536k 64k L2 entry #24: 0x4000000000140000 0000000000000000 write -q -c -P PATTERN 1600k 64k L2 entry #25: 0x4000000000150000 0000000000000000 write -q -c -P PATTERN 1664k 64k L2 entry #26: 0x4000000000160000 0000000000000000 write -q -c -P PATTERN 1728k 64k L2 entry #27: 0x4000000000170000 0000000000000000 write -q -c -P PATTERN 1792k 64k L2 entry #28: 0x4000000000180000 0000000000000000 write -q -z 1152k 192k L2 entry #18: 0x0000000000000000 ffffffff00000000 L2 entry #19: 0x0000000000000000 ffffffff00000000 L2 entry #20: 0x0000000000000000 ffffffff00000000 write -q -z 1376k 128k L2 entry #21: 0x80000000000e0000 00000000ffffffff L2 entry #22: 0x80000000000f0000 00000000ffffffff L2 entry #23: 0x8000000000100000 00000000ffffffff write -q -z 1567k 129k L2 entry #24: 0x8000000000110000 00000000ffffffff L2 entry #25: 0x8000000000120000 00000000ffffffff L2 entry #26: 0x8000000000130000 00000000ffffffff write -q -z 1759k 128k L2 entry #27: 0x8000000000140000 ffff00000000ffff L2 entry #28: 0x0000000000000000 ffffffff00000000 L2 entry #29: 0x0000000000000000 0000ffff00000000 ### Writing zeroes 4: other tests (backing file: no) ### write -q -z 1951k 8k L2 entry #30: 0x0000000000000000 000f800000000000 write -q -z 2048k 35k L2 entry #32: 0x0000000000000000 0003ffff00000000 ### Zero + unmap 1: allocated clusters (backing file: yes) ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992 Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=2132992 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw write -q -P PATTERN 576k 576k L2 entry #9: 0x8000000000050000 00000000ffffffff L2 entry #10: 0x8000000000060000 00000000ffffffff L2 entry #11: 0x8000000000070000 00000000ffffffff L2 entry #12: 0x8000000000080000 00000000ffffffff L2 entry #13: 0x8000000000090000 00000000ffffffff L2 entry #14: 0x80000000000a0000 00000000ffffffff L2 entry #15: 0x80000000000b0000 00000000ffffffff L2 entry #16: 0x80000000000c0000 00000000ffffffff L2 entry #17: 0x80000000000d0000 00000000ffffffff write -q -z -u 576k 192k L2 entry #9: 0x0000000000000000 ffffffff00000000 L2 entry #10: 0x0000000000000000 ffffffff00000000 L2 entry #11: 0x0000000000000000 ffffffff00000000 write -q -z -u 800k 128k L2 entry #12: 0x8000000000080000 ffff00000000ffff L2 entry #13: 0x0000000000000000 ffffffff00000000 L2 entry #14: 0x80000000000a0000 0000ffffffff0000 write -q -z -u 991k 128k L2 entry #15: 0x80000000000b0000 ffff00000000ffff L2 entry #16: 0x0000000000000000 ffffffff00000000 L2 entry #17: 0x80000000000d0000 00007fffffff8000 ### Zero + unmap 2: compressed clusters (backing file: yes) ### write -q -c -P PATTERN 1152k 64k L2 entry #18: 0x4000000000050000 0000000000000000 write -q -c -P PATTERN 1216k 64k L2 entry #19: 0x4000000000060000 0000000000000000 write -q -c -P PATTERN 1280k 64k L2 entry #20: 0x4000000000070000 0000000000000000 write -q -c -P PATTERN 1344k 64k L2 entry #21: 0x4000000000090000 0000000000000000 write -q -c -P PATTERN 1408k 64k L2 entry #22: 0x40000000000c0000 0000000000000000 write -q -c -P PATTERN 1472k 64k L2 entry #23: 0x40000000000e0000 0000000000000000 write -q -c -P PATTERN 1536k 64k L2 entry #24: 0x40000000000f0000 0000000000000000 write -q -c -P PATTERN 1600k 64k L2 entry #25: 0x4000000000100000 0000000000000000 write -q -c -P PATTERN 1664k 64k L2 entry #26: 0x4000000000110000 0000000000000000 write -q -c -P PATTERN 1728k 64k L2 entry #27: 0x4000000000120000 0000000000000000 write -q -c -P PATTERN 1792k 64k L2 entry #28: 0x4000000000130000 0000000000000000 write -q -z -u 1152k 192k L2 entry #18: 0x0000000000000000 ffffffff00000000 L2 entry #19: 0x0000000000000000 ffffffff00000000 L2 entry #20: 0x0000000000000000 ffffffff00000000 write -q -z -u 1376k 128k L2 entry #21: 0x8000000000050000 00000000ffffffff L2 entry #22: 0x8000000000060000 00000000ffffffff L2 entry #23: 0x8000000000070000 00000000ffffffff write -q -z -u 1567k 129k L2 entry #24: 0x8000000000090000 00000000ffffffff L2 entry #25: 0x80000000000e0000 00000000ffffffff L2 entry #26: 0x80000000000f0000 00000000ffffffff write -q -z -u 1759k 128k L2 entry #27: 0x80000000000c0000 ffff00000000ffff L2 entry #28: 0x0000000000000000 ffffffff00000000 L2 entry #29: 0x8000000000100000 00007fff00008000 ### Zero + unmap 1: allocated clusters (backing file: no) ### Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992 write -q -P PATTERN 576k 576k L2 entry #9: 0x8000000000050000 00000000ffffffff L2 entry #10: 0x8000000000060000 00000000ffffffff L2 entry #11: 0x8000000000070000 00000000ffffffff L2 entry #12: 0x8000000000080000 00000000ffffffff L2 entry #13: 0x8000000000090000 00000000ffffffff L2 entry #14: 0x80000000000a0000 00000000ffffffff L2 entry #15: 0x80000000000b0000 00000000ffffffff L2 entry #16: 0x80000000000c0000 00000000ffffffff L2 entry #17: 0x80000000000d0000 00000000ffffffff write -q -z -u 576k 192k L2 entry #9: 0x0000000000000000 ffffffff00000000 L2 entry #10: 0x0000000000000000 ffffffff00000000 L2 entry #11: 0x0000000000000000 ffffffff00000000 write -q -z -u 800k 128k L2 entry #12: 0x8000000000080000 ffff00000000ffff L2 entry #13: 0x0000000000000000 ffffffff00000000 L2 entry #14: 0x80000000000a0000 0000ffffffff0000 write -q -z -u 991k 128k L2 entry #15: 0x80000000000b0000 ffff00000000ffff L2 entry #16: 0x0000000000000000 ffffffff00000000 L2 entry #17: 0x80000000000d0000 00007fffffff8000 ### Zero + unmap 2: compressed clusters (backing file: no) ### write -q -c -P PATTERN 1152k 64k L2 entry #18: 0x4000000000050000 0000000000000000 write -q -c -P PATTERN 1216k 64k L2 entry #19: 0x4000000000060000 0000000000000000 write -q -c -P PATTERN 1280k 64k L2 entry #20: 0x4000000000070000 0000000000000000 write -q -c -P PATTERN 1344k 64k L2 entry #21: 0x4000000000090000 0000000000000000 write -q -c -P PATTERN 1408k 64k L2 entry #22: 0x40000000000c0000 0000000000000000 write -q -c -P PATTERN 1472k 64k L2 entry #23: 0x40000000000e0000 0000000000000000 write -q -c -P PATTERN 1536k 64k L2 entry #24: 0x40000000000f0000 0000000000000000 write -q -c -P PATTERN 1600k 64k L2 entry #25: 0x4000000000100000 0000000000000000 write -q -c -P PATTERN 1664k 64k L2 entry #26: 0x4000000000110000 0000000000000000 write -q -c -P PATTERN 1728k 64k L2 entry #27: 0x4000000000120000 0000000000000000 write -q -c -P PATTERN 1792k 64k L2 entry #28: 0x4000000000130000 0000000000000000 write -q -z -u 1152k 192k L2 entry #18: 0x0000000000000000 ffffffff00000000 L2 entry #19: 0x0000000000000000 ffffffff00000000 L2 entry #20: 0x0000000000000000 ffffffff00000000 write -q -z -u 1376k 128k L2 entry #21: 0x8000000000050000 00000000ffffffff L2 entry #22: 0x8000000000060000 00000000ffffffff L2 entry #23: 0x8000000000070000 00000000ffffffff write -q -z -u 1567k 129k L2 entry #24: 0x8000000000090000 00000000ffffffff L2 entry #25: 0x80000000000e0000 00000000ffffffff L2 entry #26: 0x80000000000f0000 00000000ffffffff write -q -z -u 1759k 128k L2 entry #27: 0x80000000000c0000 ffff00000000ffff L2 entry #28: 0x0000000000000000 ffffffff00000000 L2 entry #29: 0x0000000000000000 0000ffff00000000 ### Discarding clusters with non-zero bitmaps (backing file: yes) ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw L2 entry #0: 0x0000000000000000 ffffffff00000000 L2 entry #1: 0x0000000000000000 ffffffff00000000 Image resized. Image resized. L2 entry #0: 0x0000000000000000 ffffffff00000000 L2 entry #1: 0x0000000000000000 ffffffff00000000 ### Discarding clusters with non-zero bitmaps (backing file: no) ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x0000000000000000 ffffffff00000000 L2 entry #1: 0x0000000000000000 ffffffff00000000 Image resized. Image resized. L2 entry #0: 0x0000000000000000 0000ffff00000000 L2 entry #1: 0x0000000000000000 0000000000000000 ### Corrupted L2 entries - read test (allocated) ### # 'cluster is zero' bit set on the standard cluster descriptor Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x8000000000050001 0000000000000001 L2 entry #0: 0x8000000000050001 0000000000000001 # Both 'subcluster is zero' and 'subcluster is allocated' bits set Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #1: 0x8000000000060000 00000001ffffffff qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed read failed: Input/output error ### Corrupted L2 entries - read test (unallocated) ### # 'cluster is zero' bit set on the standard cluster descriptor Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x0000000000000001 0000000000000000 L2 entry #0: 0x0000000000000001 0000000000000000 # 'subcluster is allocated' bit set Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x0000000000000000 0000000000000001 qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed read failed: Input/output error # Both 'subcluster is zero' and 'subcluster is allocated' bits set Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #1: 0x0000000000000000 0000000100000001 qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed read failed: Input/output error ### Compressed cluster with subcluster bitmap != 0 - read test ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x4000000000050000 0000000180000000 read 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) L2 entry #0: 0x4000000000050000 0000000180000000 ### Corrupted L2 entries - write test (allocated) ### # 'cluster is zero' bit set on the standard cluster descriptor Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x8000000000050001 0000000000000001 L2 entry #0: 0x8000000000050001 0000000000000001 # Both 'subcluster is zero' and 'subcluster is allocated' bits set Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #1: 0x8000000000060000 00000001ffffffff qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed write failed: Input/output error ### Corrupted L2 entries - write test (unallocated) ### # 'cluster is zero' bit set on the standard cluster descriptor Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x0000000000000001 0000000000000000 L2 entry #0: 0x8000000000060000 0000000000000001 # 'subcluster is allocated' bit set Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x0000000000000000 0000000000000001 qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed write failed: Input/output error # Both 'subcluster is zero' and 'subcluster is allocated' bits set Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #1: 0x0000000000000000 0000000100000001 qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed write failed: Input/output error ### Compressed cluster with subcluster bitmap != 0 - write test ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x4000000000050000 0000000180000000 wrote 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) L2 entry #0: 0x8000000000060000 00000000ffffffff ### Detect and repair unaligned clusters ### Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=131072 # Corrupted L2 entry, allocated subcluster # Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw ERROR offset=50200: Data cluster is not properly aligned; L2 entry corrupted. ERROR cluster 6 refcount=0 reference=1 Rebuilding refcount structure ERROR offset=50200: Data cluster is not properly aligned; L2 entry corrupted. Repairing cluster 1 refcount=1 reference=0 Repairing cluster 2 refcount=1 reference=0 ERROR offset=50200: Data cluster is not properly aligned; L2 entry corrupted. The following inconsistencies were found and repaired: 0 leaked clusters 1 corruptions Double checking the fixed image now... 1 errors were found on the image. Data may be corrupted, or further writes to the image may corrupt it. qcow2: Marking image as corrupt: Cluster allocation offset 0x50200 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed read failed: Input/output error # Corrupted L2 entry, no allocated subclusters # Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw Repairing offset=50200: Preallocated cluster is not properly aligned; L2 entry corrupted. Leaked cluster 5 refcount=1 reference=0 Repairing cluster 5 refcount=1 reference=0 The following inconsistencies were found and repaired: 1 leaked clusters 1 corruptions Double checking the fixed image now... No errors were found on the image. ### Image creation options ### # cluster_size < 16k Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 qemu-img: TEST_DIR/t.IMGFMT: Extended L2 entries are only supported with cluster sizes of at least 16384 bytes # backing file and preallocation=metadata Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=1048576 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=524288 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw preallocation=metadata Image resized. read 524288/524288 bytes at offset 0 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 524288/524288 bytes at offset 524288 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Offset Length Mapped to File 0 0x80000 0 TEST_DIR/t.qcow2.base # backing file and preallocation=falloc Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=524288 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw preallocation=falloc Image resized. read 524288/524288 bytes at offset 0 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 524288/524288 bytes at offset 524288 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Offset Length Mapped to File 0 0x80000 0 TEST_DIR/t.qcow2.base # backing file and preallocation=full Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=524288 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw preallocation=full Image resized. read 524288/524288 bytes at offset 0 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 524288/524288 bytes at offset 524288 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Offset Length Mapped to File 0 0x80000 0 TEST_DIR/t.qcow2.base ### Image resizing with preallocation and backing files ### # resize --preallocation=metadata Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw Image resized. read 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 522240/522240 bytes at offset 515072 510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # resize --preallocation=falloc Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw Image resized. read 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 522240/522240 bytes at offset 515072 510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # resize --preallocation=full Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw Image resized. read 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 522240/522240 bytes at offset 515072 510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) ### Image resizing with preallocation without backing files ### # resize --preallocation=metadata Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 wrote 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Image resized. read 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 522240/522240 bytes at offset 515072 510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # resize --preallocation=falloc Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 wrote 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Image resized. read 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 522240/522240 bytes at offset 515072 510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # resize --preallocation=full Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 wrote 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Image resized. read 515072/515072 bytes at offset 0 503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 522240/522240 bytes at offset 515072 510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) ### qemu-img measure ### # 512MB, extended_l2=off required size: 327680 fully allocated size: 537198592 # 512MB, extended_l2=on required size: 393216 fully allocated size: 537264128 # 16K clusters, 64GB, extended_l2=off required size: 42008576 fully allocated size: 68761485312 # 16K clusters, 64GB, extended_l2=on required size: 75579392 fully allocated size: 68795056128 # 8k clusters qemu-img: Extended L2 entries are only supported with cluster sizes of at least 16384 bytes # 1024 TB required size: 309285027840 fully allocated size: 1126209191870464 # 1025 TB qemu-img: The image size is too large (try using a larger cluster size) ### qemu-img amend ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 qemu-img: Invalid parameter 'extended_l2' This option is only supported for image creation Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 qemu-img: Invalid parameter 'extended_l2' This option is only supported for image creation ### Test copy-on-write on an image with snapshots ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 L2 entry #0: 0x8000000000050000 0000008000042000 L2 entry #1: 0x8000000000060000 0000008000042000 L2 entry #2: 0x8000000000070000 0000008000042000 L2 entry #3: 0x8000000000080000 0000008000042000 L2 entry #4: 0x8000000000090000 0000008000042000 L2 entry #5: 0x80000000000a0000 0000008000042000 L2 entry #6: 0x80000000000b0000 0000008000042000 L2 entry #7: 0x80000000000c0000 0000008000042000 L2 entry #8: 0x80000000000d0000 0000008000042000 L2 entry #9: 0x80000000000e0000 0000008000042000 L2 entry #0: 0x8000000000120000 000000800007e000 L2 entry #1: 0x8000000000130000 000000800007fc00 L2 entry #2: 0x8000000000140000 00000080001fe000 L2 entry #3: 0x8000000000150000 000000800007e000 L2 entry #4: 0x8000000000160000 000000000007ff80 L2 entry #5: 0x8000000000170000 000000000007ffff L2 entry #6: 0x00000000000b0000 0001808000042000 L2 entry #7: 0x00000000000c0000 0000208000040000 L2 entry #8: 0x8000000000180000 000000800007e000 L2 entry #9: 0x00000000000e0000 000000c000042000 ### Test concurrent requests ### Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 blkdebug: Suspended request 'A' blkdebug: Resuming request 'A' wrote 2048/2048 bytes at offset 30720 2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 2048/2048 bytes at offset OFFSET 2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 2048/2048 bytes at offset OFFSET 2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) ### Rebase of qcow2 images with subclusters ### ### Preservation of unallocated holes after rebase ### # create backing chain Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=1048576 Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT Formatting 'TEST_DIR/t.IMGFMT.top', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.mid backing_fmt=IMGFMT # fill old backing with data (separate subclusters within cluster) wrote 32768/32768 bytes at offset 32768 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 32768/32768 bytes at offset 983040 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # rebase topmost image onto the new backing # verify that data is read the same before and after rebase read 32768/32768 bytes at offset 0 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 32768/32768 bytes at offset 32768 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 917504/917504 bytes at offset 65536 896 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 32768/32768 bytes at offset 983040 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 32768/32768 bytes at offset 1015808 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # verify that only selected subclusters remain allocated Offset Length Mapped to File 0x8000 0x8000 0x508000 TEST_DIR/t.qcow2.top 0xf0000 0x8000 0x5f0000 TEST_DIR/t.qcow2.top # verify image bitmap L2 entry #0: 0x8000000000500000 0000000040000002 ### Rebase with compression for images with subclusters ### # create backing chain Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=3145728 Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=3145728 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT Formatting 'TEST_DIR/t.IMGFMT.top', fmt=IMGFMT size=3145728 backing_file=TEST_DIR/t.IMGFMT.mid backing_fmt=IMGFMT # fill old and new backing with data wrote 1048576/1048576 bytes at offset 1048576 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 32768/32768 bytes at offset 1015808 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 32768/32768 bytes at offset 2097152 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # rebase topmost image onto the new backing, with compression # verify that the 1st and 3rd clusters've become compressed [{ "start": 0, "length": 1048576, "depth": 0, "present": true, "zero": false, "data": true, "compressed": true}, { "start": 1048576, "length": 1048576, "depth": 1, "present": true, "zero": false, "data": true, "compressed": false, "offset": 5242880}, { "start": 2097152, "length": 1048576, "depth": 0, "present": true, "zero": false, "data": true, "compressed": true}] # verify that data is read the same before and after rebase read 32768/32768 bytes at offset 1015808 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 1048576/1048576 bytes at offset 1048576 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 32768/32768 bytes at offset 2097152 32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) # verify image bitmap L2 entry #0: 0x4008000000500000 0000000000000000 L2 entry #1: 0x0000000000000000 0000000000000000 L2 entry #2: 0x400800000050040b 0000000000000000 *** done