摘要: OpenStack Nova 创建出来的 instance 不是所有的类型都有存储的,比如 m1.tiny: Memory: 512MB, VCPUS: 1, Storage: 0GB, FlavorID: 1, Swap: 0MB, RXTX Quota: 0GB, RXTX Cap: 0MB 的存储就是 0,也就是说关闭 m1.tiny 类型的 instance 后所有数据都会丢失。OpenStack Nova 使用 nova-volume 服务来管理存储,可以把这种服务看成云计算时代的 USB,可以随时 attach 到 instance 上做额外存储,其实现和 Amazon 的 Ela 阅读全文
posted @ 2012-06-05 21:35 Jonson Li 阅读(557) 评论(0) 推荐(0)
摘要: Chapter7.Running Virtual Machine InstancesContentsSecurity groups: Enabling SSH and ICMP (ping)Adding a keypairConfirm all services runningStarting an instanceBringing down an instanceSecurity groups: Enabling SSH and ICMP (ping)The Compute service uses the concept of security groups to control what 阅读全文
posted @ 2012-06-05 21:27 Jonson Li 阅读(523) 评论(0) 推荐(0)
摘要: You can create, delete, run, stop, and manage your virtual machines graphically. The tool virt-manager allows you to use a graphical interface to interact with KVM.InstallationInstall virt-manager on your desktop:From a Command Linesudo apt-get install virt-managerOr from the Ubuntu Software Center: 阅读全文
posted @ 2012-06-05 10:30 Jonson Li 阅读(806) 评论(0) 推荐(0)