Avamar：代理升級失敗，刪除代理發生錯誤

代理部署管理 （PDM） 工具無法將 Avamar 代理從舊版本 （7.2） 升級至新版本 （7.3），並在主控台回報下列錯誤：

Error deleting proxy

部署管理記錄 （/usr/local/avamar/var/log/vcs/deploymentmanager.log) 報告此錯誤，並指出跨多個資料儲存的代理磁碟導致了問題：

2017-02-03T05:57:24.229+0530 TRACE [pool-3-thread-6][ impl.ConnectionManagerService#   releaseSession]: Releasing connection manager session: id=...1dc854f2ba11
2017-02-03T05:57:24.229+0530 TRACE [pool-3-thread-6][ impl.ConnectionManagerService# waitForVcSession]: Requesting connection manager vsphere session
2017-02-03T05:57:24.299+0530 TRACE [pool-3-thread-6][ impl.ConnectionManagerService# waitForVcSession]: Acquired vsphere session: ...03d7372986e8
2017-02-03T05:57:24.329+0530 ERROR [pool-3-thread-6][                 domain.Update#  getUpdateParams]: Unsupported configuration (proxy disks over multiple datastores)
2017-02-03T05:57:26.351+0530 TRACE [pool-3-thread-6][             util.VcConnection#            close]: Logging out of VC session
2017-02-03T05:57:26.351+0530 TRACE [pool-3-thread-6][ impl.ConnectionManagerService#   releaseSession]: Releasing connection manager session: id=...03d7372986e8
2017-02-03T05:57:26.352+0530 ERROR [pool-3-thread-6][           worker.UpdateWorker#              run]: Error updating proxy
java.lang.NullPointerException
        at com.emc.avamar.vmware.deploymanager.domain.Update.update(Update.java:68)
        at com.emc.avamar.vmware.deploymanager.worker.UpdateWorker.run(UpdateWorker.java:139)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
2017-02-03T05:57:26.352+0530 DEBUG [pool-3-thread-6][             worker.TaskWorker#teTaskDescription]: Updating task description:
2017-02-03T05:57:26.358+0530 INFO  [pool-3-thread-6][             worker.TaskWorker#    sendTaskError]: Sending fault com.emc.avamar.vmware.vcs.deploymanager.delete_proxy_fault

位於不同資料存放區的 Avamar 代理磁碟範例：

Attached Disk  : [VMFS-Production-Tier2-12] proxydisk.vmdk
Attached Disk  : [VMFS-Production-Tier2-70] proxydisk_3.vmdk

讓 vCenter 系統管理員對該代理虛擬機器 （VM_ 的完全不同的資料存放區執行 Storage vMotion。