[Sunet-fail] SUNETTICKET-8124, Unscheduled, Closed, FPC error on umu-r2

Ticket Number : SUNETTICKET-8124 Ticket Type : Unscheduled Ticket Status : Closed Ticket Summary : FPC error on umu-r2 Ticket Scope : Hardware Ticket Opened : 20220925 17:44 UTC Ticket Closed : 20230104 9:49 UTC Problem Start : 20220923 5:44 UTC Problem End : 20221223 9:00 UTC Affected organisations: * UMU, SUNET ---- Description: * Following SUNETTICKET-8110, we now have have major errors on FPC2 on our router in Umeå. ---- Impact: * Affected service: SU-S003027 to HPC2N, sunet-hpc2n-phy3 SU-S003027 to HPC2N, sunet-hpc2n-phy4 ---- Update: * 20220925 17:54 UTC A new restart of the card was successful in bringing the FPC back online. Monitoring. ---- * 20220926 7:29 UTC New alarms on FPC2 tobias@umu-r2-re0> show chassis alarms 1 alarms currently active Alarm time Class Description 2022-09-25 20:33:57 UTC Minor FPC 2 Minor Errors ---- * 20220926 8:25 UTC Escalated to our hardware provider. ---- * 20220929 19:43 UTC FPC card went down again. Escalating to provider. ---- * 20221010 9:16 UTC Moving NAAD one week. Will monitor issue for one week. ---- Final ticket report: * We saw Major FPC errors in slot 2 and slot3 with several different FPCs. Seems that we manage to run into 3 different issues (XMCHIP DDR error, XMCHIP DDR error and Cordoba MIC power fault). Finally, we got a card that has been stable since the 23rd of December. ---- -- For information about SUNET tickets and the sunet-fail list visit: http://www.nunoc.org/nunocweb/open_trouble_tickets.html