错误信息为：ERROR: The home directory "/db2home/db2inst1" does not exist for the user name
"db2inst1". Create the specified home directory, and re-run the command.
系统用户信息存在：
db2inst1:x:1004:999::/db2home/db2inst1:/bin/bash
db2iadm1:!:999:
drwxr-xr-x 2 root root 4096 db2inst1
重建好几次了都，，，
真的搞不明白了，，，
