Re: [Firebird-devel] Firebird Transaction ID limit solution

[Dimitry S. <sd...@ib...>]

02.01.2012 17:40, Lester Caine wrote:
> In my own cases, ANY downtime during office hours is unacceptable, so any
> failure that brings the whole system down would result in penalties! Organised
> downtime is possible on many sites, but some sites are running 24/7, So we
> maintain data in a manor that the system will work with elements down, but the
> database operation must be maintained. Firebird has been running reliably for
> many years on these sites, when other services HAVE crashed, to the extent that
> services have been moving onto our framework due simply to it's reliability:)
>
> Customers care very much about downtime ... especially if it HAS to happen
> simply for maintenance reasons.

   But maintenance doesn't inevitable cause downtime. Maintenance of one piece of a system 
can't stop whole system if other pieces will do all the job. This is the main idea behind 
RAID1-6, for example. What's wrong with your system if it cannot work without only one 
part of it?..

-- 
   SY, SD.

PS: For me it is rather strange to talk about so basic principles of reliability here...