changes suggested in review
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@ -119,7 +119,7 @@ def verify_size_ok(level, sizes):
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print("exactly right!")
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r = True
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else:
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print("underestimated size by", real_size - calc_size)
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print("subiquity wasted space", real_size - calc_size)
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r = True
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finally:
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cleanup()
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@ -235,8 +235,10 @@ DEFAULT_CHUNK = 512
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# devices vary, which is not normal but also not something we prevent).
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#
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# All this is tested against reality in ./scripts/get-raid-sizes.py
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def calculate_data_offset(devsize):
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devsize >>= 9 # convert to sectors
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def calculate_data_offset_bytes(devsize):
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# Convert to sectors to make it easier to compare this code to mdadm's (we
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# convert back at the end)
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devsize >>= 9
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devsize = align_down(devsize, DEFAULT_CHUNK)
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@ -260,9 +262,8 @@ def calculate_data_offset(devsize):
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"get_raid_size: adjusting for %s sectors of overhead", data_offset)
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data_offset = align_up(data_offset, 2*1024)
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data_offset <<= 9 # convert back to bytes
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return data_offset
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# convert back to bytes
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return data_offset << 9
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def raid_device_sort(devices):
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@ -277,7 +278,7 @@ def get_raid_size(level, devices):
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if len(devices) == 0:
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return 0
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devices = raid_device_sort(devices)
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data_offset = calculate_data_offset(devices[0].size)
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data_offset = calculate_data_offset_bytes(devices[0].size)
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sizes = [align_down(dev.size - data_offset) for dev in devices]
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min_size = min(sizes)
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if min_size <= 0:
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