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FS#35162 — switch - Room 51C

Attached to Project— Reseau Internet et Baies
Mise a jour logiciel
Roubaix   → RBX-4
CLOSED
100%
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 7 décembre à 2 heures du matin heure Francaise

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

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 on the 7 december at 2am French time
Date:  Friday, 07 December 2018, 06:06AM
Reason for closing:  Done
Additional comments about closing:  Everything is OK, both switches are up-to-date
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


Comment by OVH - Friday, 07 December 2018, 02:05AM

we are starting the maintenance


Comment by OVH - Friday, 07 December 2018, 02:33AM

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


Comment by OVH - Friday, 07 December 2018, 03:20AM

Some configurations was unsynchronized on fex 106, and so we had some flap on the host connected on this fex. everything is ok now


Comment by OVH - Friday, 07 December 2018, 04:44AM

we are starting the upgrade of the first switch in ISSU so no impact is expected


Comment by OVH - Friday, 07 December 2018, 05:30AM

the first switch is up-to-date, we are doing the second one. There was no impact during the first upgrade