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FS#35162 — switch - Room 51C

Attached to Project— Reseau Internet et Baies
Mise a jour logiciel
Roubaix   → RBX-4
Planned
50%
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:

http://travaux.ovh.net/?do=details&id=35132

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 9 novembre à 2 heures du matin UTC

--------------------

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:

http://travaux.ovh.net/?do=details&id=35132

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 onWednesday 20 at 2am UTC
Comment by OVH - Friday, 09 November 2018, 00:21AM

We preparing the switch for the upgrade.


Comment by OVH - Friday, 09 November 2018, 02:46AM

The maintenance starts in a few minutes.


Comment by OVH - Friday, 09 November 2018, 02:59AM

We start the maintenance. Upgrading is in a progress.


Comment by OVH - Friday, 09 November 2018, 03:41AM

The switches were upgraded, next step is de-isolate A side.


Comment by OVH - Friday, 09 November 2018, 04:23AM

We have some issue with the configuration on clients ports.


Comment by OVH - Friday, 09 November 2018, 04:32AM

Lost clients IP in Rack 51C14


Comment by OVH - Friday, 09 November 2018, 04:57AM

We decided to stop the maintenance and verify with manufacture vendor about missing config after the upgrade.


Comment by OVH - Friday, 16 November 2018, 17:23PM

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