Control Data Corporation CYBER 170 Series Operator's Manual page 264

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MESSAGE
SYSTEM CHECKPOINT ABORT.
SYSTEM FILE DESTROYED.
SYSTEM FILE FORMAT ERROR.
SYSTEM FILE PARITY ERROR.
SYSTEM FILE RESERVED.
SYSTEM LIBRARY CHANGE ILLEGAL.
SYSTEM TABLE FILE DESTROYED. RECOVERY OF
DEVICE IMPOSSIBLE.
SYSTEM TAPE PARITY ERROR.
SIGNIFICANCE
A subsystem has aborted due to a CHECK
POINT SYSTEM request initiated by the
operator.
Dayfile message indicating that the system
sector of the system file is bad.
Operator message indicating that text
defined by deadstart parameters (or in
CMRDECK) does not exist on the deadstart
tape.~ This message may be issued during the
initialization phase of deadstart.
The system cannot be recovered from disk
because of a disk parity error.
Dayfile message indicating that the system
file is currently in use, possibly by
another copy of SYSEDIT.
Informative dayfile message indicating that
the caller does not have permission to
modify the system.
Error was encountered during a recovery
deadstart. The system file being recovered
from disk was destroyed; recovery is
impossible.
Parity error occurred while reading the
deadstart tape.
ACTION
Retry the checkpoint.
Inform site analyst;
redeadstart is necessary.
Inform site analyst;
deadstart information
must be redefined in
CMRDECK.
Attempt another
deadstart without
recovery (level 0).
Wait until SYSEDIT
activity has completed
and retry.
None.
Attempt another deadstart
without recovery (level
0).
Perform one of the
follOwing.
To continue, type
GO (information
transferred may
not be valid).
Redeadstart and
specify a different
tape density, or
use another tape
unit or a different
deadstart tape.
Ensure that the
deadstart tape is
an unlabeled I-mode
tape, and that the
tape unit on which
it is mounted is
the correct type (7
or 9-track).
ROUTINE
lCK
SLL
SYSEDIT
REC
SLL
SLL
REC
DIO.