Subject Re: [firebird-support] Index Corruption Firebird 1.5
Author Thomas Steinmaurer
> Recently we have started noticing problems at many of our customers
> where the index on certain tables are either corrupted or inactive.
> These are three different scenarios that we have and I hope you can give
> me some info on what is causing this.
> 1. Index's are in the inactive state.2. Index whose definition was
> changed and also in inactive state.3. Indexes are active but the select
> using that index was not returning any results but once we inactivate
> and reactivate the indexes it starts to work properly.
> We are using Firebird and IBO components. We do a background
> process at night to inactivate and reactivate all indexes but this
> hasn't really helped the cause. We have checked to make sure that no
> person is playing with the database and causing this issue and its
> something in the program or some other factor which is causing this
> issue. We have checked the code around the tables where these problems
> exist and couldn't find anything that could cause the problem.
> I hope that some of you can let me know what to look for to fix this
> issue.

AFAIR, quite some index corruption issues have been fixed in the 2.x series.

With regards,
Thomas Steinmaurer