[rescue] FreeBSD and ZFS, was Re: 3ware raid

[Zachary Giles]

JBOD = Just a Buch of Disks. So, just like you said.

What OS is your twe0 in? Looks like FreeBSD from the message. Right?
What version?
How's it working for you?

On Wed, Jul 27, 2011 at 4:03 PM, Mouse <mouse at rodents-montreal.org> wrote:
>>> The 3ware controllers have JBOD mode that turns all the "hardware"
>>> raid off.
>> Except that 3Ware JBOD mode is not *PRECISELY* JBOD.  It's closer to
>> "a bunch of whole-single-disk logical volumes".
>
> What, exactly, is JBOD here?
>
> I don't know the hardware that's been under discussion.  But I do work
> with a machine containing
>
> twe0 at pci2 dev 2 function 0: 3ware Escalade
> twe0: interrupting at ioapic1 pin 4 (irq 10)
> twe0: 12 ports, Firmware FE7S 1.05.00.065, BIOS BE7X 1.08.00.048
> twe0: Monitor ME7X 1.01.00.038, PCB Rev5    , Achip 3.20    , Pchip 1.30-66
>
> and its JBOD appears to be pretty much exactly what I would think:
> direct access to the whole drive.  That machine has some pdcsata cards
> as well, and I've moved disks between pdcsata and twe without needing
> to touch the data on them and it's all Just Worked.
>
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--
Zach Giles
zgiles at gmail.com