Re: [PATCH 4/7] aoe: make dynamic block minor numbers the default

2012-10-02 Thread Ed Cashin
On Oct 2, 2012, at 5:17 PM, Andrew Morton wrote: ... >> 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

Re: [PATCH 4/7] aoe: make dynamic block minor numbers the default

2012-10-02 Thread Andrew Morton
On Mon, 1 Oct 2012 19:05:15 -0700 Ed Cashin 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

Re: [PATCH 4/7] aoe: make dynamic block minor numbers the default

2012-10-02 Thread Andrew Morton
On Mon, 1 Oct 2012 19:05:15 -0700 Ed Cashin ecas...@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

Re: [PATCH 4/7] aoe: make dynamic block minor numbers the default

2012-10-02 Thread Ed Cashin
On Oct 2, 2012, at 5:17 PM, Andrew Morton wrote: ... 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

[PATCH 4/7] aoe: make dynamic block minor numbers the default

2012-10-01 Thread Ed Cashin
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

[PATCH 4/7] aoe: make dynamic block minor numbers the default

2012-10-01 Thread Ed Cashin
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