Cmun02281e source rank operation failure, Source, Operation – IBM TOTAL STORAGE DS8000 User Manual
Page 232: Failure, Name, Unique, Unknown, Storage, Unit, Unable

Action
Create
a
logical
subsystem,
and
then
resubmit
the
task.
If
the
problem
persists,
contact
IBM
technical
support
for
assistance.
CMUN02278E
SOURCE
Operation
failure:
name
is
not
unique
Explanation
The
specification
contains
a
name
that
is
already
being
used.
Action
Specify
a
unique
name,
and
then
resubmit
the
task.
If
the
problem
persists,
contact
IBM
technical
support
for
assistance.
CMUN02279E
SOURCE
Operation
failure:
unknown
storage
unit
Explanation
The
specification
contains
a
reference
to
an
unknown
storage
unit.
Action
Specify
a
valid
storage
unit,
and
then
resubmit
the
task.
If
the
problem
persists,
contact
IBM
technical
support
for
assistance.
CMUN02280E
SOURCE
Unable
to
assign
rank
to
extent
pool:
The
extent
pool
does
not
exist.
Explanation
The
specification
contains
a
reference
to
an
invalid
extent
pool.
Action
Specify
a
valid
extent
pool,
and
then
resubmit
the
task.
If
the
problem
persists,
contact
IBM
technical
support
for
assistance.
CMUN02281E
SOURCE
Rank
operation
failure
Explanation
The
storage
management
console
server
reports
a
storage
unit
microcode-level
error.
Action
Contact
IBM
technical
support
for
assistance.
212
IBM
TotalStorage
DS8000:
Messages
Reference