--- In firebird-support@yahoogroups.com, Chris Wallis <cwallis@...>
wrote:

>
> I'm hoping that someone can give me ideas on the cause of recurring

database

> corruption on a Firebird 1.5.2 database. We've used Interbase, and

later,

> Firebird for over 10 years, and it has been a stable, dependable

system.

>
> Within the last three months, I've had more problems with database
> corruption than in the previous 10 years. "What's different?" I ask

myself.

> There are two new programmers hitting the database via PHP. That's

the only

> significant difference that I'm aware of. The errors after

validation

> tonight are:
>
> Summary of validation errors
>
> Number of index page errors : 6
> Number of database page errors : 3
>
> reported from IBExpert. The database validated with no errors less

than 5

> days ago.
>
> I've checked the disk at a software level (this happens to be on a

WinNT

> system, but we also use Linux) and everything checks out, so I'm

assuming

> that there is some other problem, perhaps related tto the PHP

stuff, which I

> don't control.
>
> I've never had these kinds of problems before, and now I'm having

to rebuild

> the database weekly. The hardware is relatively modern, even if the

O/S is

> not. Any ideas would be greatly appreciated.

Is it the same hardware which you are encountering corruption these 9
times? If so it might be time to run some hardware validation tools
(start with RAM testing). Is forced writes enabled?

Adam