Ubuntu 12.04 虚拟机 FATAL: Module iscsi_trgt not found.

今天希望可以在虚拟机里测试Openstack，不过发现安装过程出现报错

FATAL: Module iscsi_trgt not found.

这个脚本在我的物理服务器上是没问题的，那么这个问题，应该会和虚拟机有关。

http://toomeek.waw.pl/blog/?p=2370

看来需要先降级一下内核才行。

#  dpkg-reconfigure iscsitarget-dkms

-------- Uninstall Beginning --------
Module:  iscsitarget
Version: 1.4.20.2
Kernel:  3.2.0-36-virtual (x86_64)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

iscsi_trgt.ko:
 - Uninstallation
   - Deleting from: /lib/modules/3.2.0-36-virtual/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.

depmod....

DKMS: uninstall completed.

------------------------------
Deleting module version: 1.4.20.2
completely from the DKMS tree.
------------------------------
Done.

Creating symlink /var/lib/dkms/iscsitarget/1.4.20.2/source ->
                 /usr/src/iscsitarget-1.4.20.2

DKMS: add completed.
Error! Your kernel headers for kernel 3.2.0-32-virtual cannot be found.
Please install the linux-headers-3.2.0-32-virtual package,
or use the --kernelsourcedir option to tell DKMS where it's located
 

root@test1:~/openstack_folsom_deploy# apt-get install linux-headers-3.2.0-32-virtual
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  linux-headers-3.2.0-32
The following NEW packages will be installed:
  linux-headers-3.2.0-32 linux-headers-3.2.0-32-virtual
0 upgraded, 2 newly installed, 0 to remove and 55 not upgraded.
Need to get 12.7 MB of archives.
After this operation, 67.5 MB of additional disk space will be used.
Do you want to continue [Y/n]? 
Get:1 http://10.1.199.5/ubuntu/ precise-updates/main linux-headers-3.2.0-32 all 3.2.0-32.51 [11.7 MB]
Get:2 http://10.1.199.5/ubuntu/ precise-updates/main linux-headers-3.2.0-32-virtual amd64 3.2.0-32.51 [990 kB]
Fetched 12.7 MB in 0s (26.9 MB/s)                   
Selecting previously unselected package linux-headers-3.2.0-32.
(Reading database ... 67539 files and directories currently installed.)
Unpacking linux-headers-3.2.0-32 (from .../linux-headers-3.2.0-32_3.2.0-32.51_all.deb) ...
Selecting previously unselected package linux-headers-3.2.0-32-virtual.
Unpacking linux-headers-3.2.0-32-virtual (from .../linux-headers-3.2.0-32-virtual_3.2.0-32.51_amd64.deb) ...
Setting up linux-headers-3.2.0-32 (3.2.0-32.51) ...
Setting up linux-headers-3.2.0-32-virtual (3.2.0-32.51) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 3.2.0-32-virtual /boot/vmlinuz-3.2.0-32-virtual
root@test1:~/openstack_folsom_deploy# /etc/init.d/iscsitarget restart
 * Removing iSCSI enterprise target devices:                                                                                                          [ OK ] 
 * Starting iSCSI enterprise target service                                                                                                           [ OK ] 
                                                                                                                                                      [ OK ]
root@test1:~/openstack_folsom_deploy#