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Reduntant Exchange Server

By rappenp ·
Outside of setting a clustered server, or load balancing across more then one server. Is there anyway to make a Exchange 5.5 server reduntant??

Thanks Pete

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Reduntant Exchange Server

by SFO Farmer In reply to Reduntant Exchange Server

One step below clustering (it's expensive) is a recovery server. Compaq provides the software for their systems. It requires two identical servers and one shared external drive array. Server1 runs and does it's thing and server2 sits there in a hot standby mode. If you BSOD or have a hardware failure,the second server looses it's heartbeat signal from server1 (via a seriel cable)and the other server comes online in a minute or two.
You still have a few points of failure, I would suggest load balancing NICs (Intel/Compaq Dual Ports) on both machines.
The other good thing for this config is you could use it for a cluster later down the line and when you can afford the extra parts.
G'Luck -SFO

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Reduntant Exchange Server

by rappenp In reply to Reduntant Exchange Server

The question was auto-closed by TechRepublic

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Reduntant Exchange Server

by kralljd In reply to Reduntant Exchange Server

Or... even one step below that... if you are not concerned with getting right back up and running..(failover)..

Depending on your disk configuration.... put in a second hd as raid 0 (mirror) to your primary... put your information store on either another hd or a raid array... do full backups nightly and incremental backups at some set interval during the day (alot of this depends on how big your organization is and how much you limit their storage)...

This method is a inexpensive alternative if your system can stay down for 30 minutes to an hour or more (it just speeds recovery)...

If you are dealing with critical information and your company has the money... don't stint.. go with a cluster...

Both SFO Farmer and my way will work...
I have found over the last few years managing a large exchange organization with critical information flowing accross it, that the following practices are wise:

HD configuration...
2 drives raid 0 for the OS and app software..
Raidarray with a hot spare for the information store (Plan for growth)

Tape... DLT or faster

Other critical points of failure covered...
redundant fans and power supplies

Make sure you have enough memory and processor for the job..

Configure 2 boxes

Cluster if you can...
Make a backup and restore policy...
Practice a meltdown and make sure you know how to recover from it...

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Reduntant Exchange Server

by rappenp In reply to Reduntant Exchange Server

The question was auto-closed by TechRepublic

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Reduntant Exchange Server

by rappenp In reply to Reduntant Exchange Server

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