db2 for linux 安装出错求助

log中出错信息如下,这是怎么引起的阿

Command to be executed:

/usr/IBMdb2/V7.1/instance/db2icrt -a SERVER -u db2fenc1 db2inst1

Output log of the above command:
/usr/IBMdb2/V7.1/instance/db2icknm: relocation error:
/usr/IBMdb2/V7.1/lib/libdb2.so.1: symbol _res, version GLIBC_2.0 not defined
in file libc.so.6 with link time reference
DBI1069E Unexpected error. Function = get_instance, Return code =127.