HAMMER2 corruption bug and fix

It’s possible to have data corrupted on a HAMMER2 volume during a specific combination of a bulkfree operation and a lot of writing to disk.  Matthew Dillon has a potential fix already.  As he announced, it’s scheduled to go into 5.4 this weekend.  It’s a rare bug, but if you want to check for it, look for CHECK FAIL entries in /var/log/messages.

And because every cloud has a silver lining: some not-yet-quantified performance improvements.

 

Lazy Reading for 2019/04/07

Some old-school RPG and miniatures links mixed in this week.

Your unrelated music of the week: Principleasure: I.  Eighties sound, but modernized.

In Other BSDs for 2019/04/06

Lots of BUG news this week; thank you all for the leads on groups to watch.