Anonymous_User Absent Member.
Absent Member.
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WHat would happen if...


Howdy!

I had a simple Hypothetical question that i was hoping someone could
answer.

Let's say we had a standard 2 server NW6.5 environment. (Nothing fancy,
just a standard layout, One partition, one server the Master replica, the
other server the RW replica).

Now, lets say that the 2nd server (with the RW replica) was suddenly
disconnected from the network. (For this example, the network cable was
disconnected).

My Question: in the long term, what would happen if there were no admin
intervention?
Would the Master server keep running indefintely with no major problems? I
understand it would still try and synch with the 2nd server... but would
anything major happen? (and i also understand that users wouldnt be able
to access any resources that were on that server. I am not worried about
that).
Would there be some sort of eDir/netware-meltdown event after 36
hours/days/etc (or something)? WOuld the server one day grind to a HALT?

Or would the Server simply continue doing its day-to-day activities, and
keep trying to resynch?
What about any error logs out there? Could there be a chance the error
logs would grow uncontrollably and somehow use up all the space on SYS:?

Just curious what your thoughts were on this matter!!

And what about the inverse: Take the same scenario, except imagine if the
'Master replica' server was disconnected from the network. What would
happen to the other server if there was no intervention.

Thanks again! >^^<



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2 Replies
Anonymous_User Absent Member.
Absent Member.

Re: WHat would happen if...

If the server with the master replica was not contactable, and you didn't
have MLA licenses, then no one would be able to login.

How long were you thinking it would take someone to notice, a few days
won't cause any harm - apart from the login bit described above.

Cheers Dave


--
Dave Parkes [NSCS]
Occasionally resident at http://support-forums.novell.com/
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Anonymous_User Absent Member.
Absent Member.

Re: WHat would happen if...

On Wed, 19 Sep 2007 15:43:53 GMT, bruce.wayne@b.w (bruce.wayne@b.w)
wrote:

>Just curious what your thoughts were on this matter!!


Your two servers will run more or less independently, beeping each few
seconds as they can't talk to each other, but will be otherwise ok.
Changes made to one will queue up for the other, and if you eventually
reconnect the disconnected cable, will sync up.


>And what about the inverse: Take the same scenario, except imagine if the
>'Master replica' server was disconnected from the network. What would
>happen to the other server if there was no intervention.


Exactly the same thing. There's nothing special about Master vs.
Read/Write in this scenario.



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David Gersic dgersic_@_niu.edu

I'm tired of receiving rubbish in my mailbox, so the E-mail address is
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