FlexGroup 卷的 SnapMirror 操作失败、并显示“关系信息已更新并且正在传播”

• SnapMirror
• FlexGroup
• ONTAP 9.x

• FlexGroup 卷的 SnapMirror 操作失败并出现错误：

Error: command failed: Relationship information has been updated and is being propagated. Wait a few minutes and try the command again.

• 在某些情况下（并非所有情况下）， SnapMirror 目标 Sktrace 日志包含：

SM_HIGH_4: [sm_rpl_admin_cg_mgmt.c:4077]: Cache: resume CG[<vol_name>] : failed - CG not present in cache. = 0