 c35896c5e8
			
		
	
	
		c35896c5e8
		
	
	
	
	
		
			
			Test that preallocating metadata results in a somewhat larger qcow2 file, but preallocating data only affects the disk usage of the data file and the qcow2 file stays small. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
		
			
				
	
	
		
			59 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| QA output created by 243
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| 
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| === preallocation=off ===
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| 
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=off
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| File size: 196616
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| Disk usage: low
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| 
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| === preallocation=metadata ===
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=metadata
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| File size: 67436544
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| Disk usage: low
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| 
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| === preallocation=falloc ===
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| 
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=falloc
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| File size: 67436544
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| Disk usage: high
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| 
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| === preallocation=full ===
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| 
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 preallocation=full
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| File size: 67436544
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| Disk usage: high
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| 
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| === External data file: preallocation=off ===
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| 
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data preallocation=off
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| qcow2 file size: 196616
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| data file size:  67108864
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| qcow2 disk usage: low
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| data disk usage:  low
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| 
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| === External data file: preallocation=metadata ===
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| 
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data preallocation=metadata
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| qcow2 file size: 327680
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| data file size:  67108864
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| qcow2 disk usage: low
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| data disk usage:  low
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| 
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| === External data file: preallocation=falloc ===
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data preallocation=falloc
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| qcow2 file size: 327680
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| data file size:  67108864
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| qcow2 disk usage: low
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| data disk usage:  high
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| 
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| === External data file: preallocation=full ===
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| Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 data_file=TEST_DIR/t.IMGFMT.data preallocation=full
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| qcow2 file size: 327680
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| data file size:  67108864
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| qcow2 disk usage: low
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| data disk usage:  high
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| *** done
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