Hi Here you have the approach. I'll commit today if it's okay.
http://gitweb.dragonflybsd.org/~tuxillo/dragonfly.git/shortlog/refs/heads/dev2serno Cheers, Antonio Huete 2010/8/12 Aggelos Economopoulos <ao...@cc.ece.ntua.gr>: > On 08/12/2010 10:30 AM, Dylan Reinhold wrote: >> On 08/06/2010 01:27 PM, Matthew Dillon wrote: >>> :Hi people, >>> : >>> :is there a way to easily list all disks and their associated serno's ? >>> :Something like 'blkid' utility of Linux, if you happen to know it. >>> :I could happily hack something like that, if we lack it. >>> : >>> : >>> :Cheers, >>> :Stathis >>> >>> There isn't, and that would be cool. It is fairly easy to match >>> up device numbers from devfs. >>> >>> You can use sysctl kern.disks output to get a list of disk devices, >>> then you can scan /dev and pick those base names out and stat them, >>> and you can scan /dev/serno and stat those babies and match up >>> the st_rdev's with the ones from /dev to getting related serial >>> numbers. >>> >>> If we wanted to get more involved we could add an ioctl() to retrieve >>> the serial number (if available), but it can definitely be scripted >>> right now without that. >>> >>> -Matt >>> Matthew Dillon >>> <dil...@backplane.com> >> >> I started a utility a while back going down a different path, I have now >> changed it to use the sysctl call like Matt pointed out. > > That is a suboptimal approach. It should be trivial to export serno via > udev as Alex suggested and just as trivial to parse that (and more) info > from a userspace utility using libdevattr. It is generic and extendable. > Just try it :) > > Aggelos > -- Cheers, Antonio Huete
