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Nous allons mettre à jour le couple de switch desservant la Room 51C afin de récupérer la redondance sur ce couple et corriger un bug software identifié lors de l'incident suivant:
La mise à jour de ce couple peut se faire à chaud (ISSU) sans impacter la production. Cependant si la mise à jour à chaud ne se passe pas bien (à cause du bug software que l'on rencontre), nous serons obligés de faire une mise à jour à froid avec un reboot des équipements, ce qui pourrait impacter les IPs de ce couple de switch durant 30 minutes
La mise à jour sera effectuée le 7 décembre à 2 heures du matin heure Francaise
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We will upgrade the two switches of the Room 51C to reactive the couple redundancy and to fix an identified software bug found during the task:
The upgrade of this switches should be done without impacting the production (ISSU upgrade = no reboot). However if the ISSU upgrade fail (due to the software bug), we will have to do a classic upgrade with a reboot of both equipments and in this case, the IPs behind this equipments should be impacted during 30 minutes
The upgrade will be done the 9 November at 2am UTC
UPDATE - UPDATE - UPDATE - UPDATE
We will continue to work on the maintenance to enable the redundancy globally on this switch. Some interfaces flaps are expected during 30 minutes (about 1 minute for some thirty interfaces) to fix a VPC synchronization bug between the two switches. Maintenance will be on the 7 december at 2am French time
Update(s):
Date: 2018-12-07 05:08:04 UTC Everything is OK, both switches are up-to-date
Date: 2018-12-07 04:30:19 UTC the first switch is up-to-date, we are doing the second one. There was no impact during the first upgrade
Date: 2018-12-07 03:44:45 UTC we are starting the upgrade of the first switch in ISSU so no impact is expected
Date: 2018-12-07 02:20:25 UTC Some configurations was unsynchronized on fex 106, and so we had some flap on the host connected on this fex. everything is ok now
Date: 2018-12-07 01:33:10 UTC we had some flaps on the host behind on fex during 4 minutes. everything is ok now, we continue the maintenance with the other fex
Date: 2018-12-07 01:05:24 UTC we are starting the maintenance
Date: 2018-11-16 16:23:32 UTC We will continue to work on the maintenance to enable the redundancy globally on this switch. Some interfaces flaps are expected during 30 minutes (about 1 minute for some thirty interfaces) to fix a VPC synchronization bug between the two switches. Maintenance will be on Wednesday 20 at 2am UTC
Date: 2018-11-09 03:57:39 UTC We decided to stop the maintenance and verify with manufacture vendor about missing config after the upgrade.
Date: 2018-11-09 03:32:41 UTC Lost clients IP in Rack 51C14
Date: 2018-11-09 03:23:28 UTC We have some issue with the configuration on clients ports.
Date: 2018-11-09 02:41:46 UTC The switches were upgraded, next step is de-isolate A side.
Date: 2018-11-09 01:59:32 UTC We start the maintenance. Upgrading is in a progress.
Date: 2018-11-09 01:46:32 UTC The maintenance starts in a few minutes.
Date: 2018-11-08 23:21:12 UTC We preparing the switch for the upgrade.
Posted Nov 08, 2018 - 15:25 UTC
This scheduled maintenance affected: Infrastructure || RBX (RBX4).