Problem with a dgaded array (not related to my last question)

[Hans Kraus]

Hi,

At first: thanks Neil for your answer about tbe bitmap question.

I have another problem: I tried to rebuild an array, raid 6,
with two drives missing of five. Adding a fourth drive worked
well. But not adding a fith drive. I got following messages:
----------------------------------------------------------------
***@nashorn:/home/kraush/work/mdadm# ./mdadm --stop /dev/md126
mdadm: stopped /dev/md126
***@nashorn:/home/kraush/work/mdadm# ./mdadm --assemble --update=bbl
/dev/md126
mdadm: /dev/md126 has been started with 4 drives (out of 5).
***@nashorn:/home/kraush/work/mdadm# mdadm --add /dev/md126 /dev/sdj1
mdadm: add new device failed for /dev/sdj1 as 7: Invalid argument
***@nashorn:/home/kraush/work/mdadm# ./mdadm --stop /dev/md126
mdadm: stopped /dev/md126
***@nashorn:/home/kraush/work/mdadm# ./mdadm --assemble --update=bbl
/dev/md126
mdadm: superblock on /dev/sdj1 doesn't match others - assembly aborted
***@nashorn:/home/kraush/work/mdadm# ./mdadm --assemble --update=bbl
/dev/md126
mdadm: superblock on /dev/sdj1 doesn't match others - assembly aborted
***@nashorn:/home/kraush/work/mdadm# ./mdadm --assemble /dev/md126
mdadm: superblock on /dev/sdj1 doesn't match others - assembly aborted
***@nashorn:/home/kraush/work/mdadm# ./mdadm --detail /dev/sdh4
mdadm: /dev/sdh4 does not appear to be an md device
***@nashorn:/home/kraush/work/mdadm# mdadm --assemble /dev/md126
mdadm: superblock on /dev/sdj1 doesn't match others - assembly aborted
----------------------------------------------------------------
How do I get my array back up and the fith drive added? The size of the
drive partition sdj1 should be sufficient for the array.

Thanks in advance, Hans

PS: I do know the names of the other partitions in the array but not
their position.
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