Remake SW RAID1 from a new HDD and an old HDD with bad blocks
Question: If you have a SW RAID1 and I just replaced, say, /dev/sda with a new HDD as the old one failed. Now, upon trying to recreate the RAID array you discover that the “good” HDD (/dev/sdb) has bad blocks which prevents mdadm from resyncing the array. While you could make backups, replace /dev/sdb as…
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