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备份应用程序已中止 NDMP 网络转储操作

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ontap-9
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dp
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适用场景

  • ONTAP 9
  • 网络数据管理协议( NDMP )
  • 数据管理应用程序( DMA )
  • Commvault ( CV )

问题描述

  • 在与数据管理应用程序建立数据连接之后, DMA 就会中止网络数据管理协议操作。
  • 在以下 NDMP 调试日志中, DMA 会尝试建立数据连接:

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)

  • 建立数据连接需要 5 分钟以上的时间。

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

  • 然后, DMA 会中止此连接。

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

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