xen 服务器断电后虚机消失恢复

# 扫描磁盘卷宗[root@xenserver-c ~]# pvscan  PV /dev/sda3   VG VG_XenStorage-249bcf83-06cd-0287-56ac-53eadd0dc713   lvm2 [1.81 TB / 50.45 GB free]  Total: 1 [1.81 TB] / in use: 1 [1.81 TB] / in no VG: 0 [0   ][root@xenserver-c ~]# 得出uuid 249bcf83-06cd-0287-56ac-53eadd0dc713# 创建本地存储xe sr-introduce uuid=249bcf83-06cd-0287-56ac-53eadd0dc713 type=lvm name-label=”Local storage” content-type=user# 找到SR的数据存储设备或分区的SCSI ID[root@xenserver-c ~]# ls -l /dev/disk/by-id/total 0lrwxrwxrwx 1 root root  9 Jun 11 13:15 scsi-3600605b007cfe1d020809f020c7c5bc4 -> ../../sdalrwxrwxrwx 1 root root 10 Jun 11 13:15 scsi-3600605b007cfe1d020809f020c7c5bc4-part1 -> ../../sda1lrwxrwxrwx 1 root root 10 Jun 11 13:15 scsi-3600605b007cfe1d020809f020c7c5bc4-part2 -> ../../sda2lrwxrwxrwx 1 root root 10 Jun 11 13:15 scsi-3600605b007cfe1d020809f020c7c5bc4-part3 -> ../../sda3[root@xenserver-c ~]# # 列出服务器UUIDxe host-listroot@xenserver-c ~]# xe host-listuuid ( RO)                : 9d86a029-fdb1-4e67-b1dd-45a7902ad1ec          name-label ( RW): xenserver-c    name-description ( RW): Default install of XenServer# 通过设置的scsi ID，host ID，sr uuid检测出pdb uuidxe pbd-create sr-uuid=249bcf83-06cd-0287-56ac-53eadd0dc713 device-config:device=/dev/disk/by-id/scsi-3600605b007cfe1d020809f020c7c5bc4-part3 host-uuid=9d86a029-fdb1-4e67-b1dd-45a7902ad1ec# 把这个存储还原xe pbd-plug uuid=上面得出