Skip to main content
NetApp Knowledge Base

The HP tape library keeps on disconnecting from the Controller SAS Adapter

  1. Last updated
  2. Save as PDF
Views:
12
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
dp
Last Updated:

Applies to

  • ONTAP 9.14.1Px
  • HP LTO9
  • AFF-A250
  • SAS Adapter

Issue

The tape library and drives keep on disconnecting from the SAS port on AFF-250 after a short connection

Connection successful recorded in EMS for port 1a

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.

Connection drop recorded in EMS for port 1a

[?]  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.

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.