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Cisco Bug: CSCvt82388 - [IMR3] Modify l3EpScanInfo to non-persistent to avoid excessive SSD writes

Last Modified

Aug 27, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

A switch SSD fails in less than two years and needs replacement. The /mnt/pss/ssd_log_amp.log file shows daily P/E cycles increasing by 10 or more each day, and fault "F3525: High SSD usage" is observed. ARP/ICMPv6 adjacency updates can also contribute to many SSD writes.

Check the object store MIT updates in the policyelem logs and see if the l3epScanInfo managed object has multiple MIT updates in the SSD.

ifav60-leaf1# zgrep "MIT" svc_ifc_policyelem.log.*.gz | egrep -o "dn=.*" | sort | grep -i l3epscaninfo | tail

dn=uni/ctx-[uni/tn-t9/ctx-ctx1]/l3EpScanInfo||MIT MODIFY InstanceId: 15528:530925 IsSqlPersisted: true ClassName: fvL3EpScanInfo  Stage: 1: MoLocal || control bits = 104||../dme/common/src/framework/./core/mo/||883
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