Possible to migrate RAID 10 system from 2TB Seagate to 2TB WD?

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http://serverfault.com – A couple of our servers have ST32000641AS (2TB Seagate desktop drives) in RAID 10 using an Adaptec 2405 controller. I've been told by Adaptec that this is a bad idea and we have, in fact, already seen one raid system go down using these drives. Since this is a 24/7 system, my question is whether it would be possible to switch over to WD RE4 2TB raid edition drives (model WD2003FYYS) by hot swapping them, one by one until we've migrated over. We would wait between each drive to make sure the raid has rebuilt itself. In theory, this should work... however, one thing I can't figure out is w (HowTos)