硬件
dell1950
5405(四核)*2 (EM64T)
4G*2
SAS 15K 146*2 (raid1)
软件
rhel5(64bit)
nginx 0.6.32
mysql5.1.26rc
php5.2.6
fcgi
xcache1.2.2
nginx 状态
Active connections: 5325
server accepts handled requests
2897229 2897229 12880032
Reading: 15 Writing: 26 Waiting: 5284
系统top
top – 11:36:32 up 15:02, 1 user, load average: 0.09, 0.14, 0.16
Tasks: 188 total, 2 running, 186 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.9%us, 0.7%sy, 0.0%ni, 97.0%id, 0.2%wa, 0.0%hi, 0.1%si,
Mem: 8174384k total, 5894848k used, 2279536k free, 305804k buffe
Swap: 8191992k total, 0k used, 8191992k free, 4748588k cache
应用
大量静态页（php 404 动态生成）
在做迁移时原系统出现坏道导致tar打包失败，load飚到五百多，
让机房重启后ssh也不能上，只能硬上新服务器。
手忙脚乱了3小时将备份的数据移到了新机器。
做迁移一定要多做准备！
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