[OpenAFS] replication issues 1.3.85

[Esther Filderman]

RO clones are copies of RW volumes at the state they were at when the
'release' is done.

RO clones back each other up.  If you're talking to a RO volume and
one clone becomes unavailable, other copies will be used to access the
data.

Since RW data is static, RO data is not used to "cover" for unavailable RW =
data.

e.