Why don't cash in on this occasion to make a clean switch to Ariel ? Yesterday it was so terrible to edit article (before the crach) that I prefere 24h down time rather than N days of exterme slowness.
Aoineko
----- Original Message ----- From: "Erik Moeller" erik_moeller@gmx.de To: wikitech-l@wikimedia.org Sent: Monday, June 07, 2004 5:17 AM Subject: [Wikitech-l] Big crash 6/6
We had a serious MySQL crash on suda with associated data corruption today (6/6). There's a summary of the events leading up to the crash at http://openfacts.berlios.de/index-en.phtml?title=Wikipedia_plans
Whether it was the kill -9 that led to the corruption or whether the database was already corrupted and did therefore not respond we do not know; in any case, there seem to have been no alternatives to killing it (people on #mysql knew nothing either).
Shaihulud made a copy of the CUR tables from all wikis earlier today and imported it on Ariel. We've switched the live wikis to readonly from Ariel; readonly because Ariel doesn't have OLD and lots of other stuff, because it's not sufficiently tested, and because we'd like to prevent any data loss if possible.
Tim created a special "readonly" user on ariel for this purpose.
The following have been changed as long as we are in readonly mode:
- Counters disabled on all wikis
- Linkscc disabled
- readonly file set to /home/wikipedia/common/readonly
- user_newtalk disabled
- $wgDatabaseServer and $wgDBuser changed to ariel
There will still be lots of error messages and because the OLD tables are not on Ariel revision histories are missing etc. This is *only* to make sure that people can read our articles.
The next step is to fix the data corruption on suda.
Regards,
Erik _______________________________________________ Wikitech-l mailing list Wikitech-l@Wikipedia.org http://mail.wikipedia.org/mailman/listinfo/wikitech-l