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  • Subject: RE: Hey Guys - people actually think that I know what I'm talking about...
  • From: "Stone, Brad V (TC)" <bvstone@xxxxxxxxxxxxxx>
  • Date: Thu, 3 May 2001 07:14:07 -0500

No biggie, Evan.  I understand the questions.  And my answers probably won't
help you that much.  :)

> 1. Have you tested a rebuild of this stuff with no problems ? 

Yep.  Only once.  It worked, too.  But the catch is the data on our web
server can easily be "refreshed" from it's real sources, which are about 25
different production machines.  So even if it was a total loss, we'd still
be able to get it back in an hour or two.

> I've been 
> wary of Save while active due to Al's comments.

I missed these I guess.

> 
> 2. How do you manage getting a synchpoint (will the web 
> server not respond 
> for a short time while this happens) ?

Honestly, I don't know.  We set the backups to run at 1am (or sometime early
am).  We don't shut down TCPIP or anything, we just run backups.  It has
worked and saved pretty much everything.  I haven't seen any problems in the
logs about not being able to access data, and no one has complained.  And
trust me, they would if there was a problem.  This system used to run on NT
and it always was bust.  Now they don't understand why it works all the
time, and so fast.  :)

> 
> 3. Does using RPG/DB2 as your Backend CGI tool facilitate this in 
> comparison to all the Net.data, domino, websphere packages ?

I can't say anything about domino, but with RPG I never put locks on data
for more time than the "request" is being made.  I assume Net.Data and Java
Servlets/JSP are the same, depending on how you write your apps.  Domino, no
clue.  What's that?  ;)

Also, I am not unrealistic thinking I NEEEEEEEEED 24/7 availability or the
world will come to an end (if anyone sites the 911 operations example, I'm
gonna puke, in your shoes <bg>).  

I realize that the lesser of two evils (for me) is doing backups at a
certain time, at least once a week even if it does mean folks can't view
their order status at 2am. But then again, I'm a realist.

That and our data on our web box is simply duplicated data from other
production machines.  So really we don't even need to do backups because of
how our apps are done on the web machine.

Brad
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