–
The
3494
Tape
Library
or
attached
tape
drives
detected
a
failure
or
exception
condition
that
is
preventing
one
or
more
operations
from
completing.
The
3494
Tape
Library
reports
the
condition
to
the
host
for
operator
or
service
representative
handling.
See
for
the
conditions
and
required
actions.
v
Console
messages
concerning
the
3494
Tape
Library
are
being
generated.
The
following
are
possible
conditions:
–
A
failure
or
exception
condition
occurs
while
the
3494
Tape
Library
is
performing
one
or
more
requested
operations.
The
3494
Tape
Library
reports
the
condition
to
the
host,
which
generates
a
host
console
message
to
inform
you
of
the
condition.
See
for
the
conditions
and
required
actions.
–
The
Library
Manager
console
provides
information
about
many
of
the
failure
and
exception
conditions
reported
to
the
host.
Although
the
host
console
messages
are
the
primary
source
for
problem
determination,
the
information
at
the
Library
Manager
is
useful
during
operator
and
service
representative
problem
resolution.
See
for
the
information
and
required
actions.
v
A
service
representative
has
requested
time
on
the
3494
Tape
Library
to
correct
a
problem.
In
addition
to
possible
host
console
messages,
3494
Tape
Library
or
associated
tape
drive
failures
that
cause
exception
conditions
are
logged
in
the
error
recording
data
set
on
the
host.
MVS,
OS/390,
and
z/OS
hosts,
for
example,
log
errors
in
file
SYS1.LOGREC.
A
service
representative
reviews
the
data
sets
as
part
of
normal
diagnosis.
Also,
when
errors
that
the
3494
Tape
Library
recovers
internally
exceed
a
threshold,
the
condition
is
also
logged
for
action
by
the
service
representative.
The
primary
indication
that
a
problem
has
occurred
is
a
host
console
message.
The
following
topic
describes
what
actions
to
take
based
on
specific
console
messages.
Failure
and
Exception
Condition
Reporting
The
library
reports
failures
or
exception
conditions
that
it
detects
to
the
attached
hosts
for
operator
action.
Most
failures
or
exception
conditions
are
also
logged
at
the
host
for
later
use
by
a
service
representative.
Failures
or
exception
conditions
fall
into
one
of
the
following
categories:
v
A
failure
or
exception
condition
is
detected
in
a
request
from
a
host
to
perform
a
library
function.
The
requested
function
is
rejected,
and
the
reason
is
reported
back
to
the
host
immediately.
v
Some
library
function
requests,
such
as
mounting
a
cartridge,
are
queued
within
the
Library
Manager
for
subsequent
execution.
A
failure
or
exception
condition
can
be
detected
during
the
execution
of
a
queued
library
function
request.
The
host
that
requested
the
3494
Tape
Library
function
is
notified
that
a
failure
or
exception
condition
was
detected
during
the
execution
of
the
request.
The
notification
also
includes
the
reason
for
the
failure
or
exception
condition.
v
A
failure
or
exception
condition
is
detected
that
is
independent
of
any
specific
requested
3494
Tape
Library
function.
All
hosts
attached
to
the
3494
Tape
Library
are
notified
of
the
failure
or
exception
condition.
434
3494
Tape
Library
Operator
Guide
Содержание TotalStorage 3494 Tape Library
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Страница 604: ...Part Number 95P6750 EC H79941 GA32 0449 14 1P P N 95P6750...
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