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Software Raid Reusing Disks

Created by dave. Last edited by dave, 9 years and 125 days ago. Viewed 2,155 times. #1
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I've put a disk into my mdadm system that used to live in a differnet system.


Assuming you did the echo "scsi remove-single-device 3 0 0 0" > /proc/scsi/scsi and echo "scsi add-single-device 3 0 0 0" > /proc/scsi/scsi dance, odds are that when you inserted the new disk the md partitions on it were automatically recognized, probably as md127 etc.

What I had to do:

# mdadm --stop /dev/md126

Once I did that, the /dev/md126 file disappeared, and I could then move on to partitioning (which was a different problem) and adding the partitions into my broken mirror.

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