(DISK REDUNDANCY FAILED) ERROR and scsi.path.excessiveErrors triggered in fabric MCC
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- Public
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- Category:
- metrocluster
- Specialty:
- metrocluster
- Last Updated:
- 4/9/2025, 2:58:32 PM
Applies to
- MetroCluster FC
- ATTO FibreBridge
- ONTAP 9
Issue
- EMS logs indicate the following:
[node-01: slifc_timeout_1: scsi.path.excessiveErrors:error]: Excessive errors encountered by adapter 4b on disk device switch-06:10.126.
[node-01: slifc_intrd: scsi.cmd.abortedByHost:error]: Disk device switch-06:10.126L27: Command aborted by host adapter: HA status 0x4: cdb 0x28:0000a410:0008.
[node-01: slifc_intrd: scsi.cmd.retrySuccess:debug]: Disk device switch-06:11.126L27: request successful after retry #1/#0: cdb 0x28:0000a410:0008 (10990).
[node-01: svc_queue_thread: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED
- FC port 2 of ATTO bridge is flapping.
[node-01: dsbridge_admin: fc.bridge.fc.port.alert:alert]: Fibre Channel FibreBridge7600N Bridge ATTO_200000XXXXXX4300 S/N: FBXXXXX335 WWN: 200000XXXXXX4300 FC Port FC_PORT2 offline.
[node-01: dsbridge_admin: fc.bridge.fc.port.notice:notice]: Fibre Channel FibreBridge7600N Bridge ATTO_200000XXXXXX4300 S/N: FBXXXXX335 WWN: 200000XXXXXX4300 FC Port FC_PORT2 connected.
- The system transitions to "Multi-Path HA" from "Quad-Path HA" configuration.
[node-01: dsa_disc: shelf.config.tompha:info]: System has transitioned to multi-path HA attached storage
- Error keeps incrementing on FC port 2 on bridge node-01 (SN:
FBXXXXX335
)
::*> storage bridge show -stats
FC Port 22XXXXXX300:
State: up
Speed: unknown
Topology: point-to-point
Link Failure Count: 21444 >>>>>> Flapping and count incrementing
Loss of Sync Count: 38390 >>>>>> Incrementing count
CRC Error Count: 5 >>>>>> CRC is also seen but not incrementing
LIP Count: 0
Frames In: 7417273
Frames Out: 12196874703
SFP Vendor: AVAGO
SFP Part Number: AFBR-57G5MZ-ELX
SFP Serial Number: AM2047G1SEC
SFP Capabilities: 8, 16,
- The FC port 2 is connected to switch Brocade_XXXX (Symbolic Name: Switch-06), port 10
- On the Brocade switch,
porterrshow
shows there are crc and crc_geof errors seen in port 10 of the switch along with pcs err and uncor err
porterrshow:
frames enc crc crc too too bad enc disc link loss loss frjt fbsy c3timeout pcs uncor
tx rx in err g_eof shrt long eof out c3 fail sync sig tx rx err err
10: 69.8g 195.6g 0 34 25 0 0 9 0 2.1k 6.2k 0 7.4k 0 0 2.1k 0 2.1k 177.0k
- "
sfpshow
" for port 10 indicates low Rx power
=============
Port 10:
=============
Identifier: 3 SFP
Connector: 7 LC
Transceiver: 6804406000000000 8,16,32_Gbps M5 sw Inter,Short_dist
.
Current: 7.496 mAmps
Voltage: 3280.2 mVolts
RX Power: -8.3 dBm (149.6uW) >>>>>>> Outside the range
TX Power: -1.2 dBm (758.5 uW)
State transitions: 1
Last poll time: 10-28-2024 CET Mon 09:22:43
Extended smart data is Not available