Matthew Wilcox wrote: > On Thu, Sep 27, 2007 at 09:16:13AM -0500, Patrick_Boyd@xxxxxxxx wrote: >> > Unfortunately, it looks like IEEE doesn't have any OID's registered for >> > Linux or other reserved areas >> > (http://standards.ieee.org/regauth/oui/oui.txt). However, it does look >> > like they go in order... so maybe if you used an OID of 0xFFFFFF you >> > could at least guarantee that you didn't conflict with any company's SAS >> > WWNs. > > It's something that happens frequently enough that we should come up > with a proper way of handling this. I heard a story of someone at HP > taking an old computer, reading the MAC address from the motherboard, > then snapping the board in half. I suppose if you're going to use a MAC > address from a 10Mbit ethernet card for a SAS WWN, there's no chance of > conflict, but still ... 3com might choose to do the same thing, and then > we're in trouble. Record the WWN of your SAS / FC port so that if/when it goes missing you can put it back? Have spares on site? > > I don't have a good solution for WWN assignment. Even if we get a > 24-bit OID assignment for 'software use' or something, how do we control > the use withi the SAN to be sure we get no overlapping WWNs? Your point here is that overriding a WWN assignment is asking for trouble. Mike - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
