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15min read-only on some wikis for network maintenance on 2019-03-19
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Description

We will be performing a network maintenance (T187960) on March 19th.
To be on the safe side we will need to make the wikis depending on the s2 master as read-only for 15min at 15:00UTC.
The impacted wikis are (according to https://noc.wikimedia.org/conf/highlight.php?file=db-eqiad.php):

bgwiki
bgwiktionary
cswiki
enwikiquote
enwiktionary
eowiki
fiwiki
idwiki
itwiki
nlwiki
nowiki
plwiki
ptwiki
svwiki
thwiki
trwiki
zhwiki

Date: Tuesday March 19th, 15:00UTC
Duration: 15min max (expected duration shorter)
Impact: Wikis listed above will be read-only

Please let me know if there is any issue with this scheduling or if you need more information.
Thank you!

Details

Event Timeline

ayounsi triaged this task as Medium priority.
Aklapper renamed this task from 15min read-only on some wikis for network maintenance to 15min read-only on some wikis for network maintenance on 2019-03-19.Mar 2 2019, 7:58 AM

Affected wikis have been notified and it's been added to the next issue of Tech News, which will go out on Monday.

I've also pinged @Jseddon and @Trizek-WMF with a (time-wise) very brief CentralNotice banner request. The communication plan looks like this:

  • Village Pump posts for affected wikis (5 March)
  • Tech News announcement (11 March)
  • CentralNotice banner (pending approval) (19 March, for 25 minutes)

Tech News delivered; @Trizek-WMF has agreed to put up the banner and I've written the text to be used.

Thanks @Johan!
Can you let me know the link so I can include it on the read-only message the day of the maintenance?
Thank you!

I've sent out a request for translations.

Change 497472 had a related patch set uploaded (by Marostegui; owner: Marostegui):
[operations/mediawiki-config@master] db-eqiad.php: Set s2 on read only

https://gerrit.wikimedia.org/r/497472

Change 497472 merged by jenkins-bot:
[operations/mediawiki-config@master] db-eqiad.php: Set s2 on read only

https://gerrit.wikimedia.org/r/497472

This was done.
Timing:
Read only ON: 15:21:10
Read only OFF: 15:27:56

Thanks everyone here!