System reporting Mixed-Path HA with switch attached NS224 shelf
Applies to
- ONTAP 9
- NS224
- Switch-attached
Issue
- After hot-add of an additional switch-attached NS224 shelf nodes reporting Mixed-Path HA and DISK REDUNDANCY FAILED
- No disks missing from
sysconfig
output - No storage faults or health alerts related to missing disks
- AutoSupport
disk-path
output reports disk only seen through one NSM module storage disk show -p
also reports only seen through one NSM
Following output can be observed in the STORAGE-SHELF section of the ASUP after the problem occurred:
================================== Shelf name: 0x.shelf17 Shelf id: 17 Channel: 0x Module: B ★ Shelf UID: 00:a0:98:00:00:57:c9:b9 Shelf S/N: 95240000000000 Term switch: N/A Shelf state: ONLINE Module state: OK Device Port Negotiated Medium Device Port Negotiated Received Disk Port Max Link Max Link Link Max Link Max Lane Max Lane Lane Error Bad TLP Bad DLLP Uncorrectable Correctable Id State Speed Speed Speed Speed Width width width Count Count Count Errors Errors (GT/s) (GT/s) (GT/s) (GT/s) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ [ 0] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 1] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 2] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 3] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 4] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 5] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 6] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 7] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 8] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 9] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 10] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 11] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 12] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 13] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 14] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 15] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 16] OK 8.0 8.0 8.0 8.0 2 2 2 0 0 0 0 0 [ 17] DIS/DLL NA 8.0 2.5 8.0 0 2 0 0 0 0 0 8192 ★ ==================================