Source, Unable, Create – IBM TOTAL STORAGE DS8000 User Manual
Page 180: Logical, Subsystem, Device, Type, Must, Operation, Failure

Action
Delete
the
ranks
on
the
array
or
wait
until
the
format
completes,
and
then
resubmit
the
task.
CMUN02041E
SOURCE
Unable
to
create
logical
subsystem:
device
type
must
be
CKD
Explanation
The
specified
device
type
must
be
count-key-data.
Action
Specify
a
CKD
device
type,
and
then
resubmit
the
task.
If
the
problem
persists,
contact
IBM
technical
support
for
assistance.
CMUN02042E
SOURCE
Operation
failure:
configuration
already
exists
Explanation
You
are
attempting
to
create
a
configuration
that
already
exists.
Action
Specify
a
unique
configuration,
and
then
resubmit
the
task.
CMUN02043E
SOURCE
Operation
failure:
internal
database
not
open
Explanation
The
storage
management
console
server
reports
a
storage
unit
microcode-level
error.
Action
Contact
IBM
technical
support
for
assistance.
CMUN02044E
SOURCE
Operation
failure:
unable
to
allocate
memory
Explanation
The
storage
management
console
server
reports
a
storage
unit
microcode-level
error.
Action
Contact
IBM
technical
support
for
assistance.
CMUN02045E
SOURCE
Operation
failure:
unable
to
allocate
memory
Explanation
The
storage
management
console
server
reports
a
storage
unit
microcode-level
error.
160
IBM
TotalStorage
DS8000:
Messages
Reference