SU542: Incorrect cluster interconnect cables bundled with FAS2820 orders

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Last Updated:: 1/27/2024, 12:17:33 AM

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Summary

[Impact Medium]

10GbE cables were shipped instead of 25GbE cables for Cluster/HA ports of FAS2820 systems.

Issue Description

Incorrect cables (10Gb Ethernet Twinax cables instead of 25Gb Ethernet Twinax cables) for the Cluster/HA interconnect (switchless cluster) were included for some FAS2820 orders.

Impact: Workloads that consist of 100% remote sequential read operations might see a slight limit to their performance (throughput). Such a workload is unlikely.

Symptom

Using the "sysconfig -a 0" nodeshell command, verify the link speed of ports e0a and e0b.

slot 0: Dual 10/25G Ethernet Controller E823L-SFP+

e0b MAC Address: d0:39:ea:ac:1a:91 (auto-10g_twinax-fd-up) SFP Vendor: Molex Inc. SFP Part Number: 747529663 SFP Serial Number: 305940049 e0a MAC Address: d0:39:ea:ac:1a:92 (auto-10g_twinax-fd-up) SFP Vendor: Molex Inc. SFP Part Number: 747529663 SFP Serial Number: 305940179 Device Type: E823L (0x124D)

Solution

Open a support case to request correct cables and reference Support Bulletin SU542.
Replacement cables will be sent the next business day, if possible for your location.

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