Error (801)
VMM cannot find ISO object .
Recommended Action
Ensure the library object is valid, and then try the operation again.
移除任务的进度一直停留在99% 而主机就是保持在 Pending 状态,结果就是旧的删不掉,新的加不了。后来试过用 PowerShell 来删:Get-VMHost -Computername Hostname | Remove-VMHost -Force
一样的提示。
一番研究和搜索之后,终于发现直接操作 SCVMM 的数据库可以搞定此问题。
1. 停止 VMMService 服务;
2. 用 SQL Management Studio 连接到 SCVMM 的数据库 (默认应该是 SQL Express 的实例: MICROSOFT$VMM$,数据库名称是 VirtualManagerDB),保险起见,先备份;
3. 查询 tbl_ADHC_Host, 可以看到原来这台旧的 Hyper-V 主机的记录,记下其对应的 HostID, 比如 '68899616-fdc8-4f85-a702-979a4251f766';
4. 打开查询窗口,执行以下 SQL 语句:
DELETE FROM tbl_ADHC_HostNetworkAdapter WHERE (HostID='68899616-fdc8-4f85-a702-979a4251f766')
DELETE FROM tbl_ADHC_VirtualNetwork WHERE (HostID = '68899616-fdc8-4f85-a702-979a4251f766')
DELETE FROM tbl_ADHC_HostVolume WHERE (HostID = '68899616-fdc8-4f85-a702-979a4251f766')
DELETE FROM tbl_ADHC_HostDisk WHERE (HostID = '68899616-fdc8-4f85-a702-979a4251f766')
DELETE FROM tbl_WLC_PhysicalObject WHERE (HostId = '68899616-fdc8-4f85-a702-979a4251f766')
DELETE FROM tbl_WLC_VObject WHERE (HostId = '68899616-fdc8-4f85-a702-979a4251f766')
DELETE FROM tbl_ADHC_Host WHERE (HostID = '68899616-fdc8-4f85-a702-979a4251f766')
5. 再查看表 tbl_ADHC_AgentServerRelation 和 tbl_ADHC_AgentServer,如果有对应的主机记录也相应删除
6. 如果是 Hyper-V 群集的话,每个节点都要跑一次上面的删除语句,还得删除 Cluster 的记录
DELETE FROM tbl_ADHC_ClusterDisk WHERE (ClusterID = '1149953c-cde3-45d2-82ee-b79a259d6a79')
DELETE FROM tbl_ADHC_HostCluster WHERE (ClusterID = '1149953c-cde3-45d2-82ee-b79a259d6a79')
PS. 用下面这条命令可以重置 Failed Job 状态
UPDATE tbl_TR_TaskTrail SET IsVisible = 0 WHERE TaskState = 'Failed'

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