Skip to main content
NetApp Knowledge Base

Drives missing from AFF-A800 controller following an insert or removal of the partner PCM

Last Updated:

Applies to

  • AFF-A800
  • ONTAP 9


  • Following a insertion or removal of a motherboard from the chassis, the partner node may experience a loss of visibility to one or more drives on the internal chassis.
    • The node may experience a multi-disk panic due to the loss of multiple drives in the same RAID group.
  • This issue does not impact disks on external shelves.
  • This issue may create WAFL inconsistencies messages like:

[node_name: wafl_exempt17:]: WAFL inconsistent: inconsistent user data block at VBN 0123456789 (...) in volume volume_name@vserver:...

  • The following messages may be observed in EMS:

[Node_name: config_thread: raid.config.filesystem.disk.missing:info]: File system Disk 0n.39 Shelf 0 Bay 39 [NETAPP   X4014S173315TNTE NA53] S/N [S60SNEXXXXXXX] UID [00000001:...:00000000] is missing.


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.