Control Data Corporation CYBER 170 Series Operator's Manual page 57

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Recovery Function
Read TRT into central
memory.
Edit TRT to remove
nonpermanent file
information.
Verify all mass
storage devices in
system to ensure
'permanent file
integrity.
Level of
Deadstart
0
1,2
0
0
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TABLE 2-5. MASS STORAGE DEVICE RECOVERY (Contd)
Description of Error Type of Device System Response to Error
TR T could not be read All. The following message appears on
successfully. the right console display and
deadstart processing halts.
LENGTH OF DEVICES TRT BAD -
RECOVERY OF DEVICE
IMPOSSIBLE.
TRT could not be read Removable (no active Error code TL and status U set in
successfully. direct access files). MST; device is left unavailable.
Nonremovable or The following message appears on
removable with active the right console display and dead-
direct access files. start processing halts.
LENGTH OF DEVICES TRT BAD.
Edit was not successful.
All. The following message appears on
This could be caused by the right console display and dead-
specifying a new R TK entry
" (flawed track) in CMRDECK.
start processing halts.
PERM. FILE LINKAGE ERROR
RECOVERY OF DEVICE
IMPOSSIBLE.
Two devices in same family System device (non-
The following message appears on
have the same device "number removable with system the right console display and dead-
or the same bits set in the residence). start processing halts.
device mask, or two auxil-
iary devices have the same EQxx EQyy
packname.
(DNoj
CONFLICTING UM.
PN.
xx and yy are the EST ordinals
of the conflicting devices.
N onsystem device. Error code DN, UM, or PN and status
U set in MST; both of the devices
are left unavailable.
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Opera tor Action
Type GO. to proceed. If
this is done, the device
is initialized using
parameters in existing
label; permanent files
will be lost.
Examine the MST display
after deadstart is com-
plete to determine cor-
rective action .
.
Perform level 0 deadstart
and initialize the device.
Type GO. to proceed. If
this is done, the device
is initialized using
parameters in existing
I
label; permanent files
will be lost. If RTK
I
entry was specified, re-
deadstart and omit RTK
entry.
Perform one of the
following:
•
Remove one of the speci-
fied devices and
redeadstart.
•
Redeadstart and logi-
cally turn off one of
the specified devices
(via CMRDECK entry).
Examine the E,M display
after deadstart is com-
plete to determine the
type of error. Either re-
move, or logically turn
off one of the devices;
the remaining device is
recovered automatically.