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.