OpenStack计算几点出现硬件故障之热迁移指定节点上的所有VM

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公司OpenStack中的一台compute计算节点出现内存故障，于是我们采取热迁移故障计算节点上的所有VM
在热迁移之前还是需要做物业挂维护的。然后开始做准备工作

查询故障节点上所有的VM节点

[lookback@LookdeMacBook-Pro ~/OpenStack]$ openstack hypervisor list --long --sort-column 'Hypervisor Hostname'
+----+----------------------------+-----------------+-------------+-------+------------+-------+----------------+-----------+
| ID | Hypervisor Hostname        | Hypervisor Type | Host IP     | State | vCPUs Used | vCPUs | Memory MB Used | Memory MB |
+----+----------------------------+-----------------+-------------+-------+------------+-------+----------------+-----------+
|  7 | 1063713-compute1.dtops.cc  | QEMU            | 10.240.0.55 | up    |        186 |    80 |         313344 |    772297 |
| 22 | 1063741-compute2.dtops.cc  | QEMU            | 10.240.0.56 | up    |        198 |    80 |         327680 |    772297 |
| 28 | 1063742-compute3.dtops.cc  | QEMU            | 10.240.0.57 | up    |        194 |    80 |         354304 |    772297 |
| 13 | 1063743-compute4.dtops.cc  | QEMU            | 10.240.0.58 | up    |        175 |    80 |         269312 |    772297 |
| 25 | 1063744-compute5.dtops.cc  | QEMU            | 10.240.0.59 | up    |        211 |    80 |         361472 |    772297 |
| 31 | 1063745-compute6.dtops.cc  | QEMU            | 10.240.0.60 | up    |         75 |    80 |         144384 |    772297 |
| 34 | 1063746-compute7.dtops.cc  | QEMU            | 10.240.0.61 | up    |        242 |    80 |         419840 |    772297 |
| 10 | 1063747-compute8.dtops.cc  | QEMU            | 10.240.0.62 | up    |        221 |    80 |         369664 |    772297 |
| 16 | 1063748-compute9.dtops.cc  | QEMU            | 10.240.0.63 | up    |        203 |    80 |         357376 |    772297 |
|  4 | 1063749-compute10.dtops.cc | QEMU            | 10.240.0.64 | up    |        175 |    80 |         287744 |    772297 |
| 40 | 1109288-compute11.dtops.cc | QEMU            | 10.240.0.73 | up    |         21 |    80 |          37376 |    772463 |
+----+----------------------------+-----------------+-------------+-------+------------+-------+----------------+-----------+
[lookback@LookdeMacBook-Pro ~/OpenStack]$