Hard drive detection
Mark Blackman
mark at exonetric.com
Thu May 12 20:57:35 UTC 2011
On 12 May 2011, at 20:34, Dillin Smith wrote:
> Hi all,
>
> I'm having an issue getting my installation of FreeBSD to detect all
> the drives in the system. It has 48 total, 46 2TB, and 2 250GB. The
> system consists of six controllers, with eight drives on each. The two
> 250GB hard drives are the first drives on controllers 0 and 1.
>
> There are two of these machines with the exact same configurations,
> having the same problem. A very odd thing is that every time the
> systems are rebooted, the drives that go undetected vary. Also, when
> the systems were full of 250GB drives, all were detected. All drives
> are detected in the BIOS of the controllers, just not by FreeBSD.
> Any and all help is greatly appreciated.
> (output of dmesg attached)
Power problems (i.e. under-rated PSU)? Staggered spin-up means they're
not all coming up quickly enough?
With a rig as complex as that, I'd boot up another OS, like Linux or Windows
and see if they can see all the drives.
- Mark
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