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Date:      Mon, 1 Apr 2013 17:24:25 -0400
From:      Eric Shelton <eshelton@pobox.com>
To:        freebsd-xen@freebsd.org
Subject:   configuration for FreeBSD as domU "storage domain"?
Message-ID:  <CAPQw5rn1RgWzv%2B%2BZxQb2=trp4-U-404--PTWjTkPYgnhe7rxrw@mail.gmail.com>

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Dear List,

Although I understand it is possible, I have not found any clear
examples of xl configs and how to configure FreeBSD to serve up a
block device from a FreeBSD domU via blkfront.

For example, given the following set of domains:
1: Linux dom0
2: FreeBSD HVM domU (serving up a zvol via blkfront, PCI passthrough
of underlying storage devices)
3: Windows 7 HVM domU (using the zvol as its root fs)

What needs to be done within FreeBSD to expose the zvol via blkfront?

What does the "disks" portion of the xl config file look like for
starting up the FreeBSD domain?  (What is the format like when a domU
is serving up a block device?)

What does the "disks" portion of the xl config file look like for
starting up the Windows 7 domain?  (What is the format like when you
wish to attach to block device served up by a domU, not dom0?).

Thank you for your help,
Eric



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