Maniphest T416444

2026 Junos upgrade
Open, LowPublic
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	• ayounsi
	Feb 4 2026, 7:06 AM

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Description

Tracking task, see subtasks.

Hopefully that will be the only big upgrade campaign of 2026.

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		Status	Subtype	Assigned	Task
					Restricted Task
		Open		None	T416444 2026 Junos upgrade
		Resolved		• ayounsi	T416441 drmrs: upgrade routers & switches (2026)
		Resolved		• ayounsi	T416442 magru: upgrade routers & switches (2026)
		Resolved		• ayounsi	T416450 esams: upgrade routers & switches (2026)
		Resolved		• ayounsi	T422525 cr1-esams failed upgrade
		Resolved		Papaul	T416562 ulsfo: upgrade routers (2026)
		Resolved		• ayounsi	T416443 codfw: Upgrade cloudsw1-b1-codfw (2026)
		Open		None	T422107 eqiad: pod EF switches upgrade (2026)
		Open		None	T400783 ssw1-f1-eqiad: Fan Spinning Upgraded
		Open		cmooney	T390813 Upgrade End Of Support Junos
		Open		cmooney	T429013 Upgrade cloudsw1-e4-eqiad
		Open		cmooney	T429014 Upgrade cloudsw1-f4-eqiad
		Open		None	T426197 codfw: pod AB switches upgrade (2026)
		Resolved		• ayounsi	T427301 codfw: rack A3 maintenance
		Resolved		• ayounsi	T427357 codfw: rack A4 maintenance
		Resolved		jcrespo	T428467 Switchover backup1-codfw primary before network maintenance
		Resolved		• ayounsi	T426199 codfw: rack A2 maintenance
		Resolved		bking	T426228 Create depool hiera keys for cirrussearch hosts
		Resolved		cmooney	T428020 codfw: rack A5 maintenance
		Resolved		• ayounsi	T430909 codfw: rack B3 maintenance
		Resolved		• ayounsi	T430910 codfw: rack B4 maintenance
		Resolved		FCeratto-WMF	T430912 Switchover s3 master (db2205 -> db2209)
		Resolved		cmooney	T430922 codfw: rack B6 maintenance
		Resolved		CWilliams-WMF	T430925 Switchover x3 master (db2162 -> db2241)
		Resolved		cmooney	T430918 codfw: rack B5 maintenance
		Resolved		CWilliams-WMF	T430920 Switchover s7 master (db2159 -> db2220)
		Resolved		cmooney	T430928 codfw: rack B7 maintenance - Tuesday July 21st 14:00 UTC
		Resolved		CWilliams-WMF	T430964 Switchover s6 master (db2229 -> db2214)
		Resolved		cmooney	T430929 codfw: rack B8 maintenance - Thursday July 23rd 14:00 UTC
		Open		None	T431748 Core router upgrades 2026 #2
		Resolved		• ayounsi	T431749 drmrs: upgrade core routers (2026 #2)
		Resolved		• ayounsi	T431750 magru: upgrade core routers (2026 #2)
		Resolved		• ayounsi	T431751 cr2-esams: upgrade to Junos 23.4R2-S8
		Resolved		• ayounsi	T431752 cr4-ulsfo: upgrade to Junos 23.4R2-S8
		Open		Papaul	T416563 eqsin: upgrade routers (2026)
		Open		Papaul	T417871 codfw: upgrade routers (2026)
		Open		cmooney	T417873 eqiad: upgrade routers (2026)

Event Timeline

• ayounsi created this task.Feb 4 2026, 7:06 AM

Restricted Application added a project: Infrastructure-Foundations. · View Herald TranscriptFeb 4 2026, 7:06 AM

Restricted Application added a subscriber: Aklapper. · View Herald Transcript

• ayounsi added a subtask: T416441: drmrs: upgrade routers & switches (2026).Feb 4 2026, 7:06 AM

• ayounsi added a parent task: Restricted Task.

• ayounsi added a subtask: T416442: magru: upgrade routers & switches (2026).

• ayounsi added a subtask: T416450: esams: upgrade routers & switches (2026).Feb 4 2026, 9:40 AM

• ayounsi added a subtask: T416562: ulsfo: upgrade routers (2026).Feb 5 2026, 9:57 AM

• ayounsi added a subtask: T416563: eqsin: upgrade routers (2026).Feb 5 2026, 10:01 AM

Vgutierrez added a project: Traffic.Feb 5 2026, 11:57 AM

Vgutierrez moved this task from Backlog to Radar/Not for Service on the Traffic board.

Vgutierrez added a subscriber: ssingh.

Thanks for letting us know @ayounsi. Let us the specific dates you have in mind and we can plan around that.

• ayounsi moved this task from Backlog to Watching on the netops board.Feb 9 2026, 10:09 AM

• ayounsi triaged this task as Low priority.Feb 9 2026, 3:37 PM

• ayounsi closed subtask T416441: drmrs: upgrade routers & switches (2026) as Resolved.Feb 10 2026, 3:57 PM

• ayounsi added a subtask: T416443: codfw: Upgrade cloudsw1-b1-codfw (2026).Feb 11 2026, 9:18 AM

• ayounsi closed subtask T416443: codfw: Upgrade cloudsw1-b1-codfw (2026) as Resolved.Feb 11 2026, 10:00 AM

• ayounsi closed subtask T416442: magru: upgrade routers & switches (2026) as Resolved.Feb 17 2026, 3:08 PM

• ayounsi added a subtask: T417871: codfw: upgrade routers (2026).Feb 19 2026, 10:51 AM

• ayounsi added a subtask: T417873: eqiad: upgrade routers (2026).Feb 19 2026, 10:53 AM

• ayounsi added a subtask: T422107: eqiad: pod EF switches upgrade (2026).Apr 2 2026, 7:49 AM

• ayounsi added a subtask: T390813: Upgrade End Of Support Junos.

• ayounsi closed subtask T416450: esams: upgrade routers & switches (2026) as Resolved.Apr 14 2026, 2:22 PM

• ayounsi added a subtask: T426197: codfw: pod AB switches upgrade (2026).May 13 2026, 1:30 PM

Papaul closed subtask T416562: ulsfo: upgrade routers (2026) as Resolved.May 20 2026, 6:05 PM

cmooney mentioned this in T431748: Core router upgrades 2026 #2.Jul 9 2026, 5:45 PM

cmooney removed a subtask: T416563: eqsin: upgrade routers (2026).Jul 9 2026, 6:00 PM

cmooney removed a subtask: T417871: codfw: upgrade routers (2026).

cmooney added a subtask: T431748: Core router upgrades 2026 #2.

cmooney removed a subtask: T417873: eqiad: upgrade routers (2026).Jul 9 2026, 6:03 PM

• ayounsi closed subtask T431748: Core router upgrades 2026 #2 as Resolved.Thu, Jul 30, 11:52 AM

• ayounsi reopened subtask T431748: Core router upgrades 2026 #2 as Open.Thu, Jul 30, 11:56 AM