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Bring down track number

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Use 2 heads with 4 sectors per track to get the track number down for
reasonable images.

Newer mtools forbids large track numbers.
This commit is contained in:
Jarrod Johnson 2022-06-06 11:57:19 -04:00
parent 739890471d
commit 94955dd091
1 changed files with 5 additions and 5 deletions
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10
confluent_client/bin/dir2img
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@ -21,17 +21,17 @@ def create_image(directory, image, label=None):
currsz = (currsz // 512 +1) * 512
datasz += currsz
datasz += ents * 32768
datasz = datasz // 512 + 1
datasz = datasz // 4096 + 1
with open(image, 'wb') as imgfile:
imgfile.seek(datasz * 512 - 1)
imgfile.seek(datasz * 4096 - 1)
imgfile.write(b'\x00')
if label:
subprocess.check_call(['mformat', '-i', image, '-v', label,
'-r', '16', '-d', '1', '-t', str(datasz),
'-s', '1','-h', '1', '::'])
'-s', '4','-h', '2', '::'])
else:
subprocess.check_call(['mformat', '-i', image, '-r', '16', '-d', '1', '-t',
str(datasz), '-s', '1','-h', '1', '::'])
str(datasz), '-s', '4','-h', '2', '::'])
# Some clustered filesystems will have the lock from mformat
# linger after close (mformat doesn't unlock)
# do a blocking wait for shared lock and then explicitly
@ -58,4 +58,4 @@ if __name__ == '__main__':
label = None
if len(sys.argv) > 3:
label = sys.argv[3]
create_image(sys.argv[1], sys.argv[2], label)
create_image(sys.argv[1], sys.argv[2], label)