OPERATIONAL DEFECT DATABASE
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You see this task every 1~20 seconds in the vCenter Server recent tasks window: Recompute virtual disk digest The issue occurs when Storage Accelerator has been enabled in View Admin GUI and also on vCenter ServerIn the Composer logs, you see these entries appears frequently every 1~20 seconds: <YYYY-MM-DD>T<time>,167 | 3 | FATAL | Sim.ServiceCore.SimServiceApiImpl - Error: fail to execute web service call: RemoveDeploymentGroup</time> VMware.Sim.ServiceCore.Exception.SimDaoException: DeploymentGroupDo: 5aff5fc7-0c8f-4094-9fa8-80d6b850b330 still has sim clones: 4d57ebfe-a69e-4d85-ae a4-70bbdbaf8d25. at VMware.Sim.ServiceCore.Persistence.Database.DeploymentGroupDoDbMgr.Remove(String id, SimDbTransaction tran) at VMware.Sim.ServiceCore.SimServiceApiImpl.RemoveDeploymentGroup(String dgId), Machine Name: ISVS37, Timestamp: 11/7/2014 7:18:37 PM, App Domain Name: SviWebService.exe, Thread Identity: , Windows Identity: NT AUTHORITY\SYSTEM, OS Version: Microsoft Windows NT 6.1.7601 Service Pack 1, reason: DataConstraintViolation
Important: We recommend you migrate from Horizon 7 to Horizon 8 as soon as possible. Horizon 8 offers numerous improvements in performance, scale, and experience for both Administrators and end users. Please see Ensuring a successful migration from Horizon 7 to Horizon 8 (89840) for additional advice.Horizon 7.13 is our last minor release on the Horizon 7.x line. There are 3 maintenance updates for 7.13: 7.13.1, 7.13.2, and 7.13.3. Horizon 7.13.x has reached its End of General Support (Apr 30, 2023) and has entered into its Technical Guidance Support phase (ends Apr 30, 2025). This issue occurs due to one of these reasons: When there is a missing virtual machines folder or a missing digest VMDK file from one of the desktops VM folder.When the storage accelerator is enabled on a pool, all desktops in that pool will have an extra digest VMDK file that acts as metadata for dirty storage blocks in which the machine's data is stored in.
Disable Digest on the Pool.Investigate the reason for the delay in the digest process on the storage level.
Performing an end-to-end backup and restore for VMware View ManagerLocation of VMware View log filesConnecting to the View ADAM Database重新计算 vCenter Server 中的虚拟磁盘摘要任务风暴
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