> I'm going to vote for "drive". We also include NFS info, which really 
> isn't "block" based. :-)

it isn't "drive" based either.

i vote for "iostat" and use it for network i/o as well, eventually.

otoh, i think just leaving it as diskstat and use it for tapes as well
can be a reasonable compromise for now. :-)

YAMAMOTO Takashi