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Data outage during switched to switchless conversion due to improper operations

  1. Last updated
    Dec 16, 2024
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Category:
fabric-interconnect-and-management-switches
Specialty:
hw
Last Updated:
12/16/2024, 2:41:48 PM

Applies to

  • ONTAP 9
  • Switched cluster to 2 node switchless cluster conversion

Issue

  • Data outage is experienced during the procedure after cabling cluster ports directly to each node.
  • All data LIFs in down state.
  • clus.net.switchlessInv can be observed from ems log.

[?] Tue Jan 10 13:36:56 +0800 [Cluster1: mgwd: clus.net.switchlessInv:notice]: One or more cluster ports are directly wired to a cluster port on another node, but the "switchless-cluster" option is not enabled.

  • VifMgr is offline and OOQ according to vifmgr log. 

Tue Jan 10 2023 13:39:29 +08:00 [kern_vifmgr:info:6271] A [src/rdb/TM.cc 1760 (0x80c241800)]: _triggerOnlineStatusCallback: FAILOVER rdb: Local unit VifMgr offline
Tue Jan 10 2023 13:39:29 +08:00 [kern_vifmgr:info:6271] Notice: online_status_callback: RDB unit is offline
Tue Jan 10 2023 13:40:34 +08:00 [kern_vifmgr:info:6271] [0x80c244500] [EventMgr::unitOffline] Setting VifMgr operational status as OOQ
Tue Jan 10 2023 13:40:34 +08:00 [kern_vifmgr:info:6271] [0x80c244500] [FailoverMgr::localNodeDown] VifMgr on node f68pfs452n2 is now out of quorum.

 

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