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From: David King <dking@ketralnis.com>
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Cc: Patrick Collins <normalbloke@gmail.com>
Subject: Re: Maximum Number of USB Mass Storage Devices
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> I have a requirement to connect a large number of USB bus powered =
external
> hard disks to a FreeBSD 8.0 system. I am talking about hundreds of =
them.

The USB spec itself limits to 127 devices per bus, including hubs (and =
including the internal hub-like device on many busses). =
<http://en.wikipedia.org/wiki/Universal_Serial_Bus#Overview>

> I am aware of the power and bus limitations and intend to use power =
hubs and
> multiple server USB ports to overcome this issue. My question is this:
>=20
> Does FreeBSD 8.0-RELEASE have an operating system limitation on the =
number
> of USB storage devices I can connect and mount.
>=20
> Thanks.
>=20
> Patrick Collins