Re: Fail Safe Installation Question

From: Howard J. Rogers <hjr_at_dizwell.com>
Date: Fri, 22 Oct 2004 08:44:28 +1000
Message-Id: <41783bc2$0$20127$afc38c87@news.optusnet.com.au>

Access wrote:

> 
> "Howard J. Rogers" <hjr_at_dizwell.com> wrote in message
> news:4178230b$0$10348$afc38c87_at_news.optusnet.com.au...

>> Howard J. Rogers wrote:
>>
>> > John Hurley wrote:
>> >
>> >>> I'm not totally clear about the Fail Safe Installation instructions.
>> >>
>> >> What's Fail Safe an anacronym for RAC?
>> >
>> > Absolutely not. RAC is multiple instances capable of working on one
>> > database simultaneously. Failsafe is a set of software components
>> > which, on detecting that an instance or node has crashed, will
>> > automatically start a replacement instance on another node. It is, in
>> > short, a single-instance implementation on top of clustered hardware.
>> >
>> > Regards
>> > HJR
>>
>> And I meant to add, since it is NOT a real application cluster, it
>> doesn't come with real application cluster prices. Meaning that it's not

> 'inferior'

>> to RAC, but merely providing relatively high availability at relatively

> low

>> cost. It is therefore a perfectly good product in its own right.
>>
>> Regards
>> HJR

> 
> So Failsafe is for Windows what HACMP is for AIX ?
> 
> Matthias

Well, I don't know HACMP. But if HACMP is a clustered hardware platform on which sits a single instance Oracle implementation with speedy failover (ie, restart my instance) capabilities in the event of node failure, then yes.

:-)
HJR Received on Thu Oct 21 2004 - 17:44:28 CDT