在我們生產環境的物理服務器中,絕大部分都采用了DELL與SuperMicro,都選購了 “DRAC 遠程控制卡” 來支持IPMI,並分配了特定的網絡段IP給每臺服務器。這樣,平時我們遠程修改BIOS啟動項,重啟服務器,連接本地終端等操作就都可以通過IPMI來實現了。
以下,是我們生產環境中的實際應用場景:
環境介紹:
機器類型:DELL/SuperMicro
IPMI支持:已安裝 “DRAC 遠程控制卡” 並已通過BIOS配置好IP地址
機器列表:
管理機 idc1-admin1
服務器 idc1-server1, DRAC遠程地址 idc1-server1-remote
OS: CentOS 6.6 x86_64 Minimal
具體配置:
1. 配置管理主機idc1-admin1
[root@idc1-admin1 ~]# yum install OpenIPMI ipmitool
[root@idc1-admin1 ~]# /etc/init.d/ipmi start
[root@idc1-admin1 ~]# lsmod | grep ipmi_devintf || insmod /lib/modules/`uname -r`/kernel/drivers/char/ipmi/ipmi_devintf.ko
[root@idc1-admin1 ~]# /etc/init.d/ipmi restart
2. IPMI功能 之 遠程修改BIOS啟動項為網絡啟動
[root@idc1-admin1 ~]# ipmitool -I lanplus -H idc1-server1-remote -U ADMIN -P ADMIN chassis bootdev pxe
Set Boot Device to pxe
3. IPMI功能 之 遠程重啟服務器
[root@idc1-admin1 ~]# ipmitool -I lanplus -H idc1-server1-remote -U ADMIN -P ADMIN power reset
Chassis Power Control: Reset
[root@idc1-admin1 ~]# ipmitool -I lanplus -H idc1-server1-remote -U ADMIN -P ADMIN power status
Chassis Power is on
4. 通過Cobbler網絡自動好安裝服務器idc1-server1
5. 登陸剛剛安裝完成的服務器idc1-server1,啟用IPMI Console支持
5.1. 安裝所需軟件
[root@aikaiyuan ~]# yum install OpenIPMI ipmitool
[root@aikaiyuan ~]# /etc/init.d/ipmi start
[root@aikaiyuan ~]# lsmod | grep ipmi_devintf || insmod /lib/modules/`uname -r`/kernel/drivers/char/ipmi/ipmi_devintf.ko
[root@aikaiyuan ~]# /etc/init.d/ipmi restart
5.2 配置grub啟動參數
[root@idc1-server1 ~]# vi /boot/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/mapper/mylvm-root
# initrd /initrd-[generic-]version.img
#boot=/dev/sda
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
serial --unit=1 --speed=115200
terminal --timeout=2 console
title CentOS (2.6.32-504.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-504.el6.x86_64 ro root=/dev/mapper/mylvm-root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 rd_LVM_LV=mylvm/root KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet rd_NO_DM rd_LVM_LV=mylvm/swap rhgb quiet console=tty1 console=ttyS1,115200
initrd /initramfs-2.6.32-504.el6.x86_64.img