我已经在AWS账户上安装了Teradata映像（https://aws.amazon.com/marketplace/pp/B06Y4Z54R5）。我可以登录并连接到数据库。为了节省成本，我已停止实例并重新启动它，然后尝试再次连接到数据库。我收到以下错误。
SMP001-01:~ # bteq
Teradata BTEQ 16.20.00.07 (32-bit) for LINUX. PID: 12571
Copyright 1984-2018 Teradata. All rights reserved.
Enter your logon or BTEQ command:
.logon DBC
.logon DBC
Password:
*** Warning: RDBMS CRASHED OR SESSIONS RESET. RECOVERY IN PROGRESS.
^C^C^C *** Warning: Exiting because of three BREAKs!
*** Exiting BTEQ.
我尝试使用以下命令重新启动数据库，但是它不起作用。
/etc/init.d/tpa start
SMP001-01:~ # pdestate -a
PDE state is RUN/READY.
DBS state is 0/-1: DBS is not running
SMP001-01:~ # psh pdestate -a
<--------------------- localhost -------------------------------->
PDE state is RUN/READY.
DBS state is 0/-1: DBS is not running