On Sun Jul 10 22:58:01 EDT 2011, aku...@mail.nanosouffle.net wrote: > For AoE reasons, I need to combine > a mirror (of a partition of a disk and > a whole disk) with another partition > of a disk, in a way that the combination > looks like a disk in itself. > > Has anyone tried such a thing with fs(3)? > I have a mirror: > > mirror m0 /dev/sdD1/data /dev/sdC0/worm > > at /dev/fs/m0, and what I would like is > a new pseudo device in fs(3) that joins > /dev/fs/m0 and /dev/sdC0/kcache. But > not simply as a `cat' of these two files, > rather so that the resulting data file > has the two as partitions. > > This way I don't need a ton of NICs and > `vblade' instances for each drive/partition > that I want to serve to my ken fs server.
there are several simple options - write a little sd driver. see sdloop(3) for a prototype. - modify vblade to serve multiple luns. - erik