CIFS 共有に接続できず、「 Nblade.cifsMemExceeded 」というエラーが表示される ONTAP の場合

環境

• ONTAP 9

問題

• ユーザがCIFS共有に接続できない
• で発生したエラー ems.log：
  • [Nblade.cifsMemExceeded:error]: The CIFS subsystem on this node has exceeded its allotment of xxxx bytes of node memory with currently xx memory allocation failures
  • Nblade.cifs.budgetAllocFailure: Memory Allocation failed for SMB2 Command. The CIFS subsystem on this node has exceeded its allotment of 1422246543 bytes of node memory. CIFS subsystems that have consumed the most memory are Disk File '1387896960 bytes', File Path '25624752 bytes' and Session '4948080 bytes'.
• ノードの統計：

Cluster::*> statistics show -node node-01 -object nblade_cifs -instance node-01 -counter memory_budget_consumed_by_type |memory_budget_consumed|memory_budget_size -raw
 
Object: nblade_cifs
Instance: node-01
Scope: node-01
 
    Counter                                                     Value
    -------------------------------- --------------------------------
    memory_budget_consumed                                1361886288
    memory_budget_consumed_by_type                                  -
                           Disk File                      1356074112
                     Named Pipe File                                0
                           File Path                            11152
                      ...
    memory_budget_size                                    1422246543
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