Re: [Emerald] Revelation

DAN TANG ( (no email) )
Tue, 22 Dec 1998 18:07:09 +0800

I think should use Emerald database to automatically generate a text file
for
authentication purpose, and use NT's directory replication to replicate the
file to other server, may be
every 1 hour, the file would be reasonable small.
But I do not know, while the file replication is in progress, does the
RADIUSNT will be able to read the
file?
Other method is to only replicate couple of authentication related tables
only not the whole database or setup different publication schedules. It is
so trouble some to do
the replication under SQL 6.5, I would wait for the SQL 7.0.
****************************
DAN W TANG
Domain Internet Access
dan@dmn.com.au
tel: 04 1919 22 76
****************************
-----Original Message-----
From: Dale E. Reed Jr. <daler@iea-software.com>
To: emerald@iea-software.com <emerald@iea-software.com>
Date: Wednesday, 23 December 1998 10:28
Subject: Re: [Emerald] Revelation

>Brandon Bryant wrote:
>>
>> OK.. Then here is another question for you. How difficult is it to set
up
>> replication for two SQL servers? I am reluctant to point both radius
>
>Its not for the weak of heart or under powered machines. You should
>have
>atleast a 256mb, SCSI based, PII box for the replication source.
>
>> servers to the same SQL server. Right now, the primary radius and the
>> primary SQL are the same machine, and the secondary radius and the
>> secondary SQL are the same machine. If the Primary radius server goes
>> down, chances are the db is down too. I guess we could have one db
server
>> and point two other servers running radius to that one, and then have
even
>> another machine running a backup DB, and then use the multiple DSN
feature
>> on Radius to switch to the backup DB when there is a problem with the
>
>If you have the hardware (RadiusNT takes very little CPU usage) then I
>recommend NOT running RadiusNT on your SQL Servers. I don't recommend
>running ANYTHING on your SQL Servers. Build them so that they wont
>go down and you'll be in good shape.
>
>> first. Does (will) RadiusNT have the multi-DSN feature? I know it has
>> been discussed on the list before but I never really saw whether or not
>> this feature will do what I want it to here.
>
>This is quite a but more complicated than just connecting to a bunch of
>listed DSNs. You should see this in the next major release, as we
>are working on it actively.
>
>> I'm trying to keep my point of failure as far back as possible. If the
>> server goes down at 2AM, I don't want to have change anything to get
>> service back up.
>
>Some of the new RadiusNT 2.5.200 features will greatly help here, as
>they
>actively cache and can keep on going if SQL Server goes down.
>
>--
>Dale E. Reed Jr. (daler@iea-software.com)
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