Adaptec 1210 weird behaviour

Scott Long scottl at
Tue Apr 12 09:24:41 PDT 2005

Edwin Groothuis wrote:
> The Adaptec 1210 is a serial ATA RAID0/1 controller.
> When the two disks are configured as RAID1, FreeBSD still sees two
> harddisks instead of one.
> This is with 5.3. Scary :-)
> Will try this weekend with 5.4

The 1210 is not a real RAID controller, it's a SATA controller with an
Adaptec BIOS that does RAID 0 and 1 during boot.  It's up to the OS to
do the RAID operations after that.  The new ATA driver in 6-current
might actually be able to handle this, so it's worth trying.  5.4
definitely will not.


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