RE: Clustering Exchange

  • From: "Periyasamy, Raj" <Raj.Periyasamy@xxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 21 Nov 2002 13:32:40 -0500

Mark,
When you get this error message, do you need to reboot immediately ?
What a co-incidence, I just got this Event 9582 in one of my cluster
servers.

Regards,

Raj

-----Original Message-----
From: Shevill, Mark M SITI-ITDSEC44 [mailto:Mark.Shevill@xxxxxxxxx] 
Sent: Thursday, November 21, 2002 11:06 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Clustering Exchange


http://www.MSExchange.org/

Its in the Q article I sent you


Mark Shevill
IMG Messaging Technical Lead
Shell Information Technology International Limited
Rowlandsway, Wythenshawe, Manchester M22 5SB, United Kingdom

Tel: +44 161 935 7152
Email: Mark.M.Shevill@xxxxxxxxx
Internet: http://www.shell.com


-----Original Message-----
From: Callan, Chris [mailto:CCallan@xxxxxxxx]
Sent: 21 November 2002 15:56
To: [ExchangeList]
Subject: [exchangelist] RE: Clustering Exchange


http://www.MSExchange.org/

What registry key?

-----Original Message-----
From: Shevill, Mark M SITI-ITDSEC44 [mailto:Mark.Shevill@xxxxxxxxx]
Sent: Thursday, November 21, 2002 10:52 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Clustering Exchange


http://www.MSExchange.org/

That registry key frees up the memory. So in this case when the first
server went down the memory would be freed up so that the second server
doesn't


Mark Shevill
IMG Messaging Technical Lead
Shell Information Technology International Limited
Rowlandsway, Wythenshawe, Manchester M22 5SB, United Kingdom

Tel: +44 161 935 7152
Email: Mark.M.Shevill@xxxxxxxxx
Internet: http://www.shell.com


-----Original Message-----
From: Callan, Chris [mailto:CCallan@xxxxxxxx]
Sent: 21 November 2002 15:46
To: [ExchangeList]
Subject: [exchangelist] RE: Clustering Exchange


http://www.MSExchange.org/

What we were told by MS was that E2k when it writes to memory does not
do it in a sequential order.  I.E.  it doesn't go 1 2 3 4.  It instead
goes 4 2 8 10.  And say if one of your servers goes down.  and it is
using 4 2 8 10 and the server that is still up and running is using say
3 6 7 10 then that will cause the running server to crash because they
were both using 10 and if one server is already using that memory the
second server can't use it.  That's what I have been told. .  

-----Original Message-----
From: Periyasamy, Raj [mailto:Raj.Periyasamy@xxxxxxxxxxxx]
Sent: Thursday, November 21, 2002 10:37 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Clustering Exchange


http://www.MSExchange.org/

Chris,
We are running Exch 2000 Active/Active cluster with no problems. What
kind of problems did MS refer to with Active/active cluster ?

Regards,

Raj


-----Original Message-----
From: Callan, Chris [mailto:CCallan@xxxxxxxx] 
Sent: Thursday, November 21, 2002 10:27 AM
To: [ExchangeList]
Subject: [exchangelist] Clustering Exchange


http://www.MSExchange.org/

Okay, we have been beating our heads around looking for a cluster option
that will work for us, obviously Active/Active was shot down, because of
the memory fragmentation, even though initially MS told us it could be
done, for the meantime we are looking to just go Active/Passive, I was
wondering though what the general consensus on going N+1 is.  We are
going to explore the possibility to go to this, but I wanted to get some
opinions on it first.

Chris

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