1234567891011121314151617181920212223242526272829303132333435363738 |
- Driver Compatibility
- Users of udev have device nodes like /dev/etherd/e0.0 created for them
- automatically, as needed. These are dynamic device nodes. The aoe
- driver version 50 and above use dynamic device node minor numbers in
- order to support a greater number of AoE devices.
- Some systems use static device nodes, which are present in /dev
- regardless of what AoE devices are really available to the system. The
- aoetools contain the aoe-mkdevs and aoe-mkshelf commands, which create
- these static device nodes.
- If the static device nodes do not match the static device minor
- numbers in the kernel, you could accidentally perform reads and writes
- to the wrong AoE device. (It really is easier to let udev take care
- of the device nodes.)
- If you use an aoe driver from the Coraid website
- (http://www.coraid.com/support/linux/) then just use the aoetools that
- come bundled with that deiver. If you don't have udev, make sure you
- always load the aoe module with the aoe_dyndevs=0 option for any
- driver version above 49.
- If you didn't get your aoe driver from the Coraid website, and you
- can't use udev, then here's what to do:
- * Of course, read the README file in the aoetools sources.
- * To use aoetools-8 and later with older 2.6 kernels (2.6.13 and
- earlier), build the aoetools with an extra parameter for "make",
- like this:
- make NPERSHELF=10
- * Using aoetools-7 and earlier with newer 2.6 kernels (2.6.14 and
- later) is not recommended.
- Other combinations should work with the default settings.
|