AIX6.1系统，执行oslevel -s报错，请大神帮忙解答下？

说明一下，该分区是通过powervc部署的，我发现是powervc制作模板的时候安装cloud-init的时候安装了一些RPM依赖包，是这些依赖包引起的，我把这些依赖包全部卸载了，不报这个错误了，但是现在报其他错误了：
//可以正常执行oslevel -s的分区，该分区不是powervc部署的，手动创建的
root@ZZV170000DGXD-DB:/>rpm -qa
cdrecord-1.9-9
mkisofs-1.13-9
AIX-rpm-6.1.8.15-1
tcl-8.4.7-3
tk-8.4.7-3
expect-5.42.1-3
//执行oslevel -s报错的分区，多余很多rpm包，该分区是powervc自动部署的。
root@lsxdxt-db:/>rpm -qa
cdrecord-1.9-9.ppc
mkisofs-1.13-9.ppc
tk-8.4.7-3.ppc
ca-certificates-2016.10.7-2.ppc
glib2-2.14.6-2.ppc
sqlite-3.15.2-1.ppc
bzip2-1.0.6-2.ppc
expat-2.1.0-1.ppc
libffi-3.0.11-1.ppc
zlib-1.2.5-6.ppc
libiconv-1.14-1.ppc
info-5.0-2.ppc
ncurses-5.9-3.ppc
python-2.7.6-1.ppc
python-xml-0.8.4-1.ppc
python-argparse-1.2.1-1.noarch
python-configobj-5.0.5-1.noarch
python-jsonpatch-1.8-1.noarch
python-prettytable-0.7.2-1.noarch
libyaml-0.1.4-1.ppc
python-six-1.3.0-1.noarch
python-oauth-1.0.1-1.noarch
expect-5.42.1-3.ppc
tcl-8.4.7-3.ppc
AIX-rpm-6.1.8.15-2.ppc
gettext-0.19.7-1.ppc
yum-metadata-parser-1.1.4-2.ppc
db-4.8.24-4.ppc
gmp-5.1.3-1.ppc
openssl-1.0.1g-1.ppc
gdbm-1.10-1.ppc
bash-4.2-9.ppc
readline-6.2-3.ppc
fdupes-1.51-1.ppc
python-devel-2.7.6-1.ppc
python-boto-2.34.0-1.noarch
python-cheetah-2.4.4-2.ppc
python-jsonpointer-1.0.c1ec3df-1.noarch
python-pyserial-2.7-1.ppc
python-requests-2.4.3-1.noarch
python-PyYAML-3.11-2.ppc
python-setuptools-0.9.8-2.noarch
cloud-init-0.7.5-4.3.ppc

2、我rpm -e卸载了多余的rpm包，不报untag那个错误了，但是现在报其他错误了，ssh服务也启动不了了：

root@lsxdxt-db:/>ifconfig -a
en0: flags=1e080863,480<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD(ACTIVE),CHAIN>

    inet 10.194.20.30 netmask 0xffffff00 broadcast 10.194.20.255
     tcp_sendspace 262144 tcp_recvspace 262144 rfc1323 1

lo0: flags=e08084b,c0<UP,BROADCAST,LOOPBACK,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,LARGESEND,CHAIN>

    inet 127.0.0.1 netmask 0xff000000 broadcast 127.255.255.255
    inet6 ::1%1/0
     tcp_sendspace 131072 tcp_recvspace 131072 rfc1323 1

root@lsxdxt-db:/>lssrc -s sshd
Subsystem Group PID Status
sshd ssh inoperative
root@lsxdxt-db:/>startsrc -s sshd
exec(): 0509-036 Cannot load program /usr/sbin/sshd because of the following errors:

    0509-150   Dependent module libz.a(libz.so.1) could not be loaded.
    0509-022 Cannot load module libz.a(libz.so.1).
    0509-026 System error: A file or directory in the path name does not exist.

0513-059 The sshd Subsystem has been started. Subsystem PID is 4718768.
exec(): 0509-036 Cannot load program /usr/sbin/sshd because of the following errors:

    0509-150   Dependent module libz.a(libz.so.1) could not be loaded.
    0509-022 Cannot load module libz.a(libz.so.1).
    0509-026 System error: A file or directory in the path name does not exist.

root@lsxdxt-db:/>exec(): 0509-036 Cannot load program /usr/sbin/sshd because of the following errors:

    0509-150   Dependent module libz.a(libz.so.1) could not be loaded.
    0509-022 Cannot load module libz.a(libz.so.1).
    0509-026 System error: A file or directory in the path name does not exist.

root@lsxdxt-db:/>oslevel -s
Could not load program /usr/opt/freeware/bin/rpm:
Could not load module /opt/freeware/lib/librpmio.so.

    Dependent module libz.a(libz.so.1) could not be loaded.

Could not load module libz.a(libz.so.1).
System error: No such file or directory
Could not load module rpm.

    Dependent module /opt/freeware/lib/librpmio.so could not be loaded.

Could not load module .
6100-08-02-1316
root@lsxdxt-db:/>lssrc -s sshd
Subsystem Group PID Status
sshd ssh inoperative