On 29/04/2011, at 3:33 AM, Nick Holland wrote: > On 04/28/2011 10:58 AM, Bryan wrote: >> On Wed, Apr 27, 2011 at 19:55, David Gwynne<l...@animata.net> wrote: >>> amen. >>> >>> anything that helps us get away from the kernels arbitrary numbering of >>> devices to identify disks is a good thing. >>> >>> dlg >>> >> >> Would there be a reason why you wouldn't use DUIDs? Do some older >> drives not support it, or some archs not support this? > > There's no issue of "drive age" or platform.
as nick says, this isnt a disk dependant thing. the duid is stored in the disklabel, so it works on any block device where the kernel can read a disklabel. obviously you can have duplicate duids (eg, by dding one disk to another) which can be a bit confusing, but we can only go so far in protecting people from themselves. there's lots of worse things you can do with disks and dd... anyway, one of the nice things about openbsd is that it tries to be as consistent as possible between architectures. mounting partitions by duid Just Works(tm) everywhere now. dlg
