David Bremner writes: >Very recent versions of xapian-check (1.3 +? not sure) have an option F to attempt to >repair the database. That's about all I can think of. If you have a lot >of effort in your metadata, you might ask on the xapian user list ><xapian-discuss@lists.xapian.org>. Yeah, seems the version shipped with arch is still 1.2.22, presumably because it's marked as the "stable release". I might just build a newer version from source then, thanks for the tip. :-) % xapian-check --version xapian-check - xapian-core 1.2.22 % xapian-check -F Mail/Personal/.notmuch/xapian option Mail/Personal/.notmuch/xapian unknown use t,f,b,v and/or + in the option string I don't have much (read: any) effort in my metadata, so I guess I'll just rebuild from scratch.