バックアップアプリケーションによって NDMP ネットワークダンプ処理が中止されました

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Category:: ontap-9

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環境

ONTAP 9
NDMP（Network Data Management Protocol）
DMA （データ管理アプリケーション）
Commvault （ CV ）

問題

データ管理アプリケーションとのデータ接続が確立されると、 DMA によってネットワークデータ管理プロトコルの処理が中止されます。
以下の NDMP デバッグログでは、 DMA はデータ接続の確立を試みます。

Mon Sep 27 2021 17:54:36 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 17:54:36 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent1]:8602 due to Connection timed out) Mon Sep 27 2021 17:55:51 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 17:55:51 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent2]:8602 due to Connection timed out) Mon Sep 27 2021 17:57:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 17:57:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent3]:8602 due to Connection timed out) Mon Sep 27 2021 17:58:21 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 17:58:21 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent1]:8602 due to Connection timed out) Mon Sep 27 2021 17:59:36 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 17:59:36 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent2]:8602 due to Connection timed out) Mon Sep 27 2021 18:00:51 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 18:00:51 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent3]:8602 due to Connection timed out) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: S<BKUP (ndmp_server) BR2NDMPD_DEBUG_LOG Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: LOG sev (3) msg (NDMP Connect: Unable to Connect to [MediaAgent1]:8602 due to Connection timed out)

データ接続の確立に 5 分以上かかりました。

Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: NDMP Connect: Successfully connected to [MediaAgent2].8602, using local address [cluster_mgmt_IP].21613

その後、 DMA によって接続が中断されます。

Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: DMA>>S V4 sequence=27 (0x1b) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: Time_stamp=0x6151eafe (Sep 27 18:02:06 2021) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: message type=0 (NDMP4_MESSAGE_REQUEST) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: message_code=0x902 (NDMP4_CONNECT_CLOSE) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: reply_sequence=0 (0x0) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: error_code=0 (NDMP4_NO_ERR) Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: service_terminate called Mon Sep 27 2021 18:02:06 +02:00 [kern_ndmpd:info:6040] [27026] DEBUG: received CLOSE command from [MediaAgent2].63379