PPDM - 應用程式感知虛擬機器修復失敗，並顯示「VSS 靜止作業後無法將磁碟重設為讀取/寫入模式，將其設為唯讀」

Unable to reset disks to read-write mode after VSS quiesce operation set them to read-only

vmdm.log: 2024-06-19T01:51:39.916Z ERROR [] [request-dispatch-update-91] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:b78abd00d05a58d4;JOB_ID:af29df7e344de2ee][] [c.e.b.v.r.a.BaseRestoreOp.doFailureStatus(561)] -  Recover VM failed.
vmdm.log: 2024-06-19T01:51:39.917Z ERROR [] [request-dispatch-update-91] [00000000-0000-4000-a000-000000000000][][][TRACE_ID:b78abd00d05a58d4;JOB_ID:af29df7e344de2ee][] [c.e.b.v.r.a.BaseRestoreOp.getSessionError(740)] -  VM Proxy restore job session failed. Session '8fbda571-ab2d-4597-8fe7-4791993b836d' is unsuccessful: Unable to reset disks to read-write mode after VSS quiesce operation set them to read-only.

    2024-06-19 09:36:57+0800    164     WARNING ppdm.local      58736   processmanager.go(336)  main.(*ProcessManager).isThresholdMemoryConsumptionReached      Available system memory (364 MB) is less than minimum required system resources (800 MB)
    2024-06-19 09:36:57+0800    165     WARNING ppdm.local      58736   processmanager.go(251)  main.(*ProcessManager).waitForCurrentSearchClientProcessesToComplete    Max number of vm-file-extractor processes are running.  Cancelling run of vm-file-extractor for vm EC020DB01 after 10 minutes
    2024-06-19 09:36:57+0800    166     WARNING ppdm.local      58736   main.go(323)    main.main       Max number of vm-file-extractor processes are running. Cancelling the process after 10 minutes as not enough system resources are available. The metadata extraction and indexing of this VM will be handled later by the offline-indexing process.
    2024-06-19 09:36:57.001+0800        167     ERROR   ppdm.local      58736   main.go(838)    main.exitWithError      abort extraction with Max number of vm-file-extractor processes are running. Cancelling the process after 10 minutes as not enough system resources are available. The metadata extraction and indexing of this VM will be handled later by the offline-indexing process.
    2024-06-19 09:36:57.001+0800        169     ERROR   ppdm.local      58736   main.go(848)    main.exitWithError      {"State":"Skipped","Error":"Max number of vm-file-extractor processes are running. Cancelling the process after 10 minutes as not enough system resources are available. The metadata extraction and indexing of this VM will be handled later by the offline-indexing process.","LogFile":"","DetailedStatus":"{\"State\":\"Skipped\",\"Error\":\"\",\"DiskStatus\":[]}"}
    2024-06-19 09:36:57.001+0800        170     ERROR   ppdm.local      58736   main.go(855)    main.exitWithError      abort extraction of VM metadata for asset EC020DB01 (vm-53132)
RecoverVmSessions-b1d958e1-f05b-46a8-af3c-d7d1e5840631.log:   2024-06-19T01:36:57.092Z WARN:   [aaa7a1018b9ad483;86443860fffb28d7] VM File Extractor plugin was unsuccessful.  Max number of vm-file-extractor processes are running. Cancelling the process after 10 minutes as not enough system resources are available. The metadata extraction and indexing of this VM will be handled later by the offline-indexing process.
RecoverVmSessions-b1d958e1-f05b-46a8-af3c-d7d1e5840631.log:   2024-06-19T01:36:57.092Z ERROR:  [aaa7a1018b9ad483;86443860fffb28d7] Unable to repair disk properties which were modified by the VSS Quiesce operation.  VM File Extractor plugin was unsuccessful.  Max number of vm-file-extractor processes are running. Cancelling the process after 10 minutes as not enough system resources are available. The metadata extraction and indexing of this VM will be handled later by the offline-indexing process.
RecoverVmSessions-b1d958e1-f05b-46a8-af3c-d7d1e5840631.log:   2024-06-19T01:36:57.092Z ERROR:  [aaa7a1018b9ad483;86443860fffb28d7] Unable to reset disks to read-write mode after VSS quiesce operation set them to read-only.

由於 PowerProtect Data Manager 搜尋節點缺少記憶體，程序「vm-file-extractor」無法執行。可用記憶體的最低要求為 800 MB。執行 vm-file-extractor 失敗時，導致唯讀位元未正確設定。因此，會導致錯誤「VSS 靜止作業後無法將磁碟重設為讀取/寫入模式，將其設為唯讀」。

1.使用 SSH 登入 PowerProtect Data Manager 應用裝置、切換至根使用者，然後執行以下命令，以取得 PowerProtect Data Manager 搜尋節點的密碼。

source /opt/emc/vmdirect/unit/vmdirect.env && /opt/emc/vmdirect/bin/infranodemgmt get -secret -node_type SearchNode

2.使用步驟 1 取得的登入資料登入每個搜尋節點。
3.執行以下命令以檢查搜尋節點的記憶體用量。

free -m

4.如果可用記憶體確實小於 800 MB，請新增更多記憶體至搜尋節點，或在 PowerProtect Data Manager 閒置時重新啟動搜尋節點，以釋放分配的記憶體。
5.重新執行 VM 還原。