HP磁带库一直与控制器SAS适配器断开连接

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适用场景

ONTAP 9.14.1Px
HP LTO9
AFF-A250
SAS适配器

问题描述

短连接后、磁带库和驱动器一直与AFF -250上的SAS端口断开连接

已成功在EMS中记录端口1a的连接

port 1a is now connected to tape library N/A's target port: WWNN: 5001438031b604c8, WWPN: 5001438031b604ca. There are 2 LUNs visible on this target port.

[?] Fri Sep 13 14:10:03 +0200 [Node-02: tape_admin: tape.diagMsg:info]: Tape driver diagnostic messages enabled.

EMS中记录的端口1a的连接丢弃

[?] Fri Sep 13 14:10:48 +0200 [Node2-02: asd_asyncd_1a: sas.port.down:debug]: SAS port "1a" went down. [?] Fri Sep 13 14:10:59 +0200 [Node2-02: asd_asyncd_1a: mlm.tapemc.lun.removed:notice]: The tape LUN '1a.1L0' (S/N: CZ235200K5) is no longer visible to this node. [?] Fri Sep 13 14:10:59 +0200 [Node-02: asd_asyncd_1a: mlm.tapemc.lun.removed:notice]: The medium changer LUN '1a.1L1' (S/N: DEC350118J) is no longer visible to this node.