NonStop Operating System Event Management Programming Manual
Storage Subsystem Event Messages (ZSTO)
HP NonStop Operating System Event Management Programming Manual—520372-020
23-2
1005: ZSTO-EVT-PRIMARY The storage subsystem manager has 
swapped the primary and backup 
processors for a device or process.
1006: ZSTO-EVT-REBUILDDFS
The storage subsystem manager has 
rebuilt the free space table on a magnetic 
disk.
1007: ZSTO-EVT-REFRESH
The storage subsystem manager has 
refreshed a magnetic disk.
1008: ZSTO-EVT-RENAME
A user command has caused the storage 
subsystem manager to rename a 
magnetic disk.
1009: ZSTO-EVT-REPLACEBOOT
The storage subsystem manager has 
replaced the disk system-load bootstrap 
program.
1010: ZSTO-EVT-RESET
The storage subsystem manager has put 
an object into a state from which it can be 
started.
1011: ZSTO-EVT-SPARE
The storage subsystem manager has 
assigned an alternate sector for use in 
place of a defective sector on a disk.
1012: ZSTO-EVT-START
The storage subsystem manager has 
successfully placed an object into the 
STARTED state.
1013: ZSTO-EVT-START-SPECIAL
The storage subsystem manager has 
successfully placed an object into the 
SERVICING state, substate SPECIAL.
1014: ZSTO-EVT-STOP
The storage subsystem manager has 
successfully placed a device into the 
STOPPED state, substate DOWN.
1015: ZSTO-EVT-STOPOPENS
The storage subsystem manager has 
blocked any future attempts to open files 
on a magnetic disk.
1016: ZSTO-EVT-SWITCH
The storage subsystem manager has 
changed the active path to a device.
1017: ZSTO-EVT-CHECKIN-LAUNCH
The storage subsystem manager failed 
to launch a processor checkin task. 
1018: ZSTO-EVT-DISK-CHECKNAME-LAUNCH
The storage subsystem manager failed 
to launch a disk rename notification task.
1020: ZSTO-EVT-CONFIG-GETINFO-ERR
The storage subsystem manager 
received an unexpected error when 
querying a process for configuration 
information.
Table 23-1. Storage Subsystem Event Messages (page2of7)
Event Number and Symbolic Name  Description










