isql localhost:shuttest -u test -p test -r rdb$admin
SQL> show database;
Database: localhost:shuttest
        Owner: TEST
PAGE_SIZE 8192
Number of DB pages allocated = 180
Number of DB pages used = 176
Number of DB pages free = 4
Sweep interval = 20000
Forced Writes are ON
Transaction - oldest = 7
Transaction - oldest active = 8
Transaction - oldest snapshot = 8
Transaction - Next = 12
ODS = 12.1
Default Character set: NONE
SQL> show version;
ISQL Version: WI-V3.0.3.32797 Avalerion 3.0
Server version:
Firebird/Windows/Intel/i386 (access method), version "WI-V3.0.5.33099 Avalerion 3.0"
Firebird/Windows/Intel/i386 (remote server), version "WI-V3.0.5.33099 Avalerion 3.0/tcp (SD-HP)/P15:C"
Firebird/Windows/Intel/i386 (remote interface), version "WI-V3.0.5.33099 Avalerion 3.0/tcp (SD-HP)/P15:C"
on disk structure version 12.1
SQL> select mon$shutdown_mode from mon$database;

MON$SHUTDOWN_MODE
=================
                0

gfix localhost:shuttest -sh multi -att 0 -user test -pa test -role rdb$admin
database shutdown unsuccessful