After some heartbeat switches, i've got now a drbd which is "Primary/Unknown" on one side and "Secondary/Unknown" on the other.
Heartbeat2+iSASI+DRBD
StandardStep 1: 安装Heartbeat+DRBD Step 2: 安装iSCSI Enterprise Target ...
Module iscsi_trgt not found
Standardmkdir /lib/modules/`uname -r`/kernel/iscsi
find / -name “iscsi_trgt.ko”
cp iscsi_trgt.ko /lib/modules/`uname -r`/kernel/iscsi
depmod -aq
Heartbeat2+DRBD
Standardharesources2cib.py --stout -c /etc/ha.d/ha.cf /etc/ha.d/haresources
VI VIM键盘图解
Standard
常用：
按「h」左移光标一个字符
按「l」右移光标一个字符
按「k」光标上移一行
按「j」光标下移一行
CentOS iSCSI登陆FreeNAS iSCSI Server
StandardFreeNAS: 192.168.0.2 FreeNAS具体配置iSCSI的步骤 Disks->Management 添加新的磁盘 Disks->Format 格式化磁盘 Disks->Mount Point 建立磁盘分区 Services->iSCSI Target->Extent 增加扩展区 Services->iSCSI Target-> Target中增加登录点
LVS NAT & DR
StandardNAT... DR...
CentOS HeartBeat 配置
Standardyum -y install heartbeat ...
Cray桌面超级计算机
Standard今年9月，超级计算机名厂Cray公司宣布了其和微软、Intel结盟后的首款产品CX1，专门针对那些首次购买超级计算机，而又有高性能运算需求的普通用户。
linux ipvsadm安装
Standardcd /usr/src/ wget http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.24-6.src.rpm yum redhat-rpm-config rpm-build kernel-utils wget http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.24.tar.gz make && makeinstall