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SnapCenter Oracle 备份发现失败,并显示 PL-SCO-20038

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适用于

  • SnapCenter Server 6.2
  • SnapCenter Plug-in for Oracle (SCO)
  • 使用 ASM 磁盘组的 Oracle 数据库
  • FSx for NetApp ONTAP
  • ONTAP 9.17.1P6 (Cluster-Mode)

问题

Oracle 数据库的 SnapCenter 备份作业在发现阶段失败,并显示以下错误消息:

作业日志输出:

2026-06-23T23:47:16.6590000+10:00 ERROR DisRes-MDMPERF c.n.s.s.p.b.o.OnlineDataBackup-SCO-WRN-2000: The exception message displayed during the execution of the method doDiscover is PL-SCO-20038: Backup operation cannot proceed because discovered database files do not exist.com.netapp.sco.smcore.plugin.exception.PluginExecutionFailedException: PL-SCO-20038: Backup operation cannot proceed because discovered database files do not exist.

其他发现:

  • 在发现期间,在 ASM 别名树(v$asm_alias)中未找到 DATADG_PERF 中的所有数据文件。
  • ASM 磁盘组 DATADG_PERF 已挂载且数据库正常工作,但 v$asm_alias 返回 0 个文件。
  • ASM 警报日志显示磁盘上的间歇性 I/O 写入错误,但磁盘组保持在线。

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