Skip to main content
NetApp Knowledge Base

SAS cabling issue: Both SAS connections from one controller go to the same shelf

Views:
2,585
Visibility:
Public
Votes:
1
Category:
data-ontap-7
Specialty:
HW
Last Updated:

Applies to

  • Data ONTAP 7-Mode and clustered Data ONTAP
  • Clustered Data ONTAP 8.1
  • Clustered Data ONTAP 8.2
  • Clustered Data ONTAP 8.3
  • Data ONTAP 8.1 7-Mode
  • Data ONTAP 8.2 7-Mode
  • ONTAP 9

Issue

Check Active IQ if this impacts your systems

The Universal SAS and ACP cabling guide lays out several cabling rules for reliability, universality, and commonality. One of these rules is that - of the two paths to a single disk storage stack from a single node, one should connect to the top and one to the bottom of the storage stack.

If you are informed either by MyAutoSupport or another source that this particular rule is being violated, this article shows how to diagnose and possibly remediate the issue with no downtime.

Note: The procedures documented here have only been tested and proven stable in Data ONTAP 8.2.1, 8.3 and later. Attempting this on earlier releases of Data ONTAP might result in unplanned system downtime. For more information, see the guidance in BUG 691240.

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.