OpenLDAP 2.2.26, FreeBSD 4.10-STABLE.
Yeah, I know it's old, but I'm hoping for an answer along the lines of
"Yeah, we fixed that in 2.2.X". I can't find anything like it in CHANGES
in 2.2.30, nor in the ITS. Going to 2.3.X is not yet an option (unless
of course that's where the fix is).
The symptom is that SLAPD accepts a connection, then nothing further
happens. This happens around once a month, making it difficult to nail.
Because the connection has been accepted, the client does not bother
trying the backup server.