smengcl commented on a change in pull request #2857:
URL: https://github.com/apache/ozone/pull/2857#discussion_r755523411
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File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/volume/OMVolumeDeleteRequest.java
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@@ -100,6 +100,14 @@ public OMClientResponse
validateAndUpdateCache(OzoneManager ozoneManager,
OmVolumeArgs omVolumeArgs = getVolumeInfo(omMetadataManager, volume);
+ // Check reference count
+ if (omVolumeArgs.getRefCount() != 0L) {
+ LOG.debug("volume: {} has non-zero ref count. won't delete", volume);
+ throw new OMException("Volume is being used. Use " +
+ "`ozone tenant delete` CLI to delete the volume instead.",
+ OMException.ResultCodes.VOLUME_IN_USE);
Review comment:
Maybe rename `VOLUME_IN_USE`.
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