Thanks for the information to all who responded!
One more question: Do you keep the second server in another location
(necessitating a WAN link) or on the same subnet or different subnet?
I'm interested in how well the failover goes with the second server
off-site.
Thanks,
Heidi Pilewski
Windows System Administrator
Software Engineering Institute
Carnegie Mellon
[EMAIL PROTECTED]
Gordon Olson wrote:
>
> There is no problem with the failover it is the failback that does not work
> as designed. You will be pretty much on your own also the tech support is
> not very good. If you work with the product for more then a couple of days
> you will not more then the support dudes.
>
> We are using it with IIS, SQL7 running on NT and it works great, fails over
> within 30 seconds. WE don't have a large volume of ecommerce so that is fine
> for us. The fail back is the only spot where we have to go in and remove the
> failed over ip manually because it just won't work right. It has once or
> twice but most often it does not work as advertised. We have messed with it
> and messed with it and - well, it is just easier to manually remove the ip
> etc...
>
> Hope that helps,
>
> side note - we are using co-standby server for another app and it works
> outstanding and it is much easier to configure. I like them both each are
> unique.
>
> -----Original Message-----
> From: Heidi Pilewski [mailto:[EMAIL PROTECTED]]
> Sent: Friday, September 14, 2001 4:36 AM
> To: NT System Admin Issues
> Subject: Re: has anyone used doubletake successfully?
>
> I'd like to know if you've ever had to failover to the other server and
> how quickly and smoothly, if at all that went?
>
> Also, did you look at any other products or solutions before deciding on
> Double Take and, if so, why did you decide on Double Take?
>
> I understand that my situation may differ but I'm looking at using a web
> server (IIS) and SQL 7.0 on NT or 2000 as the operating system (depends
> on when the decisions are made) and data will need to be replicated and
> if the primary server goes down there should be as quick and smooth as
> possible a transition to the "backup" machine. I've had personal
> experience with NT Cluster server and, for this application, the
> failover takes too long. We are hoping to minimize transaction loss as
> much as possible.
>
> Thanks,
> Heidi Pilewski
> Windows System Administrator
> Software Engineering Institute
> Carnegie Mellon
> [EMAIL PROTECTED]
>
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