Skip to main content

This Site will be down for up to 3 hours on December 2, 2023 from 8 PM - 11 PM PST, to deploy an infrastructure update.

NetApp Knowledge Base

E-Series temporary loss of drive redundancy during SANtricity OS upgrade

Last Updated:

Applies to

  • NetApp E-Series
  • NetApp SANtricity OS 11.40
  • NetApp SANtricity OS 11.50


  • SANtricity System Manager reports Degraded drawer during SANtricity OS upgrade
  • Major event log reports drawer becoming degraded shortly during IOM firmware upgrades:

A:1/23/21, 2:05:02 AM (02:05:02) 38259 2860 The drawer's status is optimal - Shelf 2, Drawer 2

A:1/23/21, 2:04:43 AM (02:04:43) 38258 285f A drawer in the shelf has become degraded - Shelf 2, Drawer 2 <--CRITICAL

A:1/23/21, 2:04:08 AM (02:04:08) 38252 301e IOM (ESM) firmware download completed - Shelf 2, Bay B

A:1/23/21, 2:02:11 AM (02:02:11) 38229 301c IOM (ESM) firmware download started - Shelf 2, Bay B

A:1/23/21, 2:02:11 AM (02:02:11) 38228 301e IOM (ESM) firmware download completed - Shelf 2, Bay A

A:1/23/21, 2:00:15 AM (02:00:15) 38212 301c IOM (ESM) firmware download started - Shelf 2, Bay A


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.
Scan to view the article on your device