故障现象：
尝试启动数据库失败：
db2inst1@linux-db2v9:~/sqllib> db2start
03/26/2012 22:57:37 0 0 SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing.
03/26/2012 22:58:07 1 0 SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing.
03/26/2012 22:58:37 2 0 SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing.
03/26/2012 22:59:07 3 0 SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing.
SQL1032N No start database manager command was issued. SQLSTATE=57019
相关配置：
db2inst1@linux-db2v9:~/sqllib> more db2nodes.cfg
0 linux-db2v9 0
1 linux-db2v9 1
2 linux-db2v9 2
3 linux-db2v9 3
db2inst1@linux-db2v9:~> more .rhosts
linux-db2v9 db2inst1
db2inst1@linux-db2v9:~> more /etc/services | grep -i db2
ibm-db2 523/tcp # IBM-DB2
ibm-db2 523/udp # IBM-DB2
questdb2-lnchr 5677/tcp # Quest Central DB2 Launchr
questdb2-lnchr 5677/udp # Quest Central DB2 Launchr
db2c_db2inst1 50001/tcp
DB2_db2inst1 60000/tcp
DB2_db2inst1_1 60001/tcp
DB2_db2inst1_2 60002/tcp
DB2_db2inst1_END 60003/tcp
db2inst1@linux-db2v9:~>
db2inst1@linux-db2v9:~> db2 get dbm cfg | grep -i svc
TCP/IP Service name (SVCENAME) = db2c_db2inst1
相关测试：
db2inst1@linux-db2v9:~> ping linux-db2v9
PING linux-db2v9.site (172.20.21.102) 56(84) bytes of data.
64 bytes from linux-db2v9.site (172.20.21.102): icmp_seq=1 ttl=64 time=0.053 ms
64 bytes from linux-db2v9.site (172.20.21.102): icmp_seq=2 ttl=64 time=0.029 ms
--- linux-db2v9.site ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 0.029/0.041/0.053/0.012 ms
db2inst1@linux-db2v9:~> rsh linux-db2v9
linux-db2v9.site: Connection refused
db2inst1@linux-db2v9:~> db2_all date
linux-db2v9.site: Connection refused
linux-db2v9.site: Connection refused
linux-db2v9.site: Connection refused
linux-db2v9.site: Connection refuse
老觉得rsh这一块配置有问题，但不知道出在哪里。
哪位朋友帮忙看看是怎么回事？
谢谢！
收起