Some RAID levels do not support bitmap

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Hi,


RAID levels 0 and 4 do not seem to like the -b internal. Is this 
intentional? Runs 2.6.20.2 on i586.
(BTW, do you already have a PAGE_SIZE=8K fix?)

14:47 ichi:/dev # mdadm -C /dev/md0 -l 4 -e 1.0 -b internal -n 2 /dev/ram[01]
mdadm: RUN_ARRAY failed: Input/output error
mdadm: stopped /dev/md0
14:47 ichi:/dev # mdadm -C /dev/md0 -l 0 -e 1.0 -b internal -n 2 /dev/ram[01]
mdadm: RUN_ARRAY failed: Cannot allocate memory
mdadm: stopped /dev/md0

Right... md: bitmaps not supported for this level.



Thanks,
	Jan
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