Messages in this thread | | | Date | Tue, 2 Oct 2012 14:17:34 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 4/7] aoe: make dynamic block minor numbers the default |
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On Mon, 1 Oct 2012 19:05:15 -0700 Ed Cashin <ecashin@coraid.com> wrote:
> Because udev use is so widespread, making the old static mapping > the default is too conservative, given the severe limitations it > places on usable AoE addresses. Storage virtualization and > larger shelves have made the old limitations too confining. > > These changes make the dynamic block device minor numbers the > default, removing the limitations on usable AoE addresses. > > The static arrangement is still available with aoe_dyndevs=0, and > the aoe-stat tool from the userland aoetools package, the user > space counterpart to the aoe driver, recognizes the case where > there is a mismatch between the minor number in sysfs and the > minor number in a special device file.
Oh. There we are.
Again, what are the back-(in)compatibility issues which users might encounter with this?
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