适用于Oracle克隆的SnapCenter 插件无法发现LUN的设备

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适用场景

适用于Oracle的SnapCenter插件

问题描述

在执行适用于Oracle的SnapCenter插件克隆操作时、此操作会失败、并显示以下错误：

Unable to discover the device for LUN '<SVM>:/vol/<VOL_NAME>_<MMddYYhhmmssNNNNN>/<LUN_NAME>'

其中 <VOL_NAME>_<MMddYYhhmmssNNNNN> 是FlexClone卷。

此外、您可能还会看到pvdisplay警告、指出某些设备未用于LVM、而另一些设备则可能已交换、如本例所示：

WARNING: Not using device /dev/mapper/3600a0980383038616e3f4a53716b3467 for PV <ALPHA-NUMERIC-UUID-A>. WARNING: Not using device /dev/mapper/3600a0980383038616e3f4a53716b3468 for PV <ALPHA-NUMERIC-UUID-B>. WARNING: Not using device /dev/mapper/3600a0980383038616e3f4a5371696a48 for PV <ALPHA-NUMERIC-UUID-C>. WARNING: Not using device /dev/mapper/3600a0980383038616e3f4a53716b3469 for PV <ALPHA-NUMERIC-UUID-D>. WARNING: PV <ALPHA-NUMERIC-UUID-A> prefers device /dev/mapper/3600a0980383038616e3f4a537169694c because device is used by LV. WARNING: PV <ALPHA-NUMERIC-UUID-B> prefers device /dev/mapper/3600a0980383038616e3f4a537169694d because device is used by LV. WARNING: PV <ALPHA-NUMERIC-UUID-C> prefers device /dev/mapper/3600a0980383038616e3f4a53716b346a because device is used by LV. WARNING: PV <ALPHA-NUMERIC-UUID-D> prefers device /dev/mapper/3600a0980383038616e3f4a537169694e because device is used by LV.