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What is the "ideal" hardware configuration for SQL Server 2008


What is the "ideal" hardware configuration for SQL Server 2008

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Lynn Pettis
Lynn Pettis
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Actually, for a database server that needs to host 150+ databases, I'd be looking at a minimum of 64GB to 128GB ram, more would be better.

IIRC, our network services group purchased a 16TB iSCSI san for storing backup files (database, file server, email, etc) and dedup software as well instead of a dedicated hardware appliance for around 32K, maybe a bit more.

Cool
Lynn Pettis

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Roy Ernest
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Here is a link that might be of interest for you. Since you have around 200K budget, you could take a look at it. It is a TPC Benchmark.

-Roy
bdavey
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Roy,
Thank you! Very cool site.
Roy Ernest
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I hope it will help you. I actually got it today morning from a friend of mine. If we had this site, it would have been easy for us when we set up our server. We had to do it the hard way (Experimenting with different HW set ups for IO) before we found one similar to what they had stated.

-Roy
Greg Edwards-268690
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bdavey (5/3/2010)
Ok Lynn, how about this:

If you had $200K to spend on hardware, including storage, for an SQL server setup what would it be?


I would look at one of the Fast Track Data Warehouse setups Microsoft is promoting.
Hardware and SAN are matched for optimal data movement.
[url=http://www.microsoft.com/sqlserver/2008/en/us/fasttrack.aspx][/url]

Greg E
bdavey
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Thanks Greg. It great to find these predesigned solutions.

One question though. Is the "Fast Track" optimized for only data warehouses? We do have a lot of OLTP too.
Steve Jones
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Fast Track is only for data warehouses. OLTP loads vary so widely.

It's still hard to guess your load. Maybe Lynn is closed on memory, but 1GB a day/150 databases, isn't a lot. That's like 7MB a day/db, correct? Not a lot of writes.

Depending on the batches, transactions, etc., you could have lots of variation on what you need. I'd also consider DR here, since I'm assuming having 150 dbs crash would be bad. I might even lean towards a 3 or 4 node cluster if you can do that, or even 3-4 servers (2 primary, 1-2 backup) with mirroring.

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SQLRNNR
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With the considerations for DR, one must also include considerations for Business Continuity.


200K may seem like a lot of money but it can disappear in a heartbeat with the purchase of a SAN (depending on size), Backup Solution, DR Solution, and Business Continuity Solution. Ideally, you would want something that would not need replaced after five years.



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Greg Edwards-268690
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bdavey (5/4/2010)
Thanks Greg. It great to find these predesigned solutions.

One question though. Is the "Fast Track" optimized for only data warehouses? We do have a lot of OLTP too.


Steve is correct - these are designed for huge data loads / query activity.
But you may want to ask Microsoft more directly on specifics.

We deal with a data warehouse, so it looks like something we will get to.
But it does nothing for our AS load.
Greg E
Keith Hays
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bdavey (5/3/2010)
Thanks Lynn, Greg, & Steve. I think I see the error of may ways now. Let me define this a little more.

It is a single cluster environment (1 active, 1 passive).
It is about 90% OLTP (10% warehouse).
It has 2 instances with 150+ databases.
The total space consumed, excluding backups, is about 500 Gig.
Space is expected to grow at about a 500 Mb/day.
We expect to replace our hardware every 5 years.
Rack mount is definitely prefered.
Not concerned with SLA's at this point.
Backup replication & storage does not need to be considered in this purchase.
The majority of the growth occurs during normal U.S. business hours.
$200k is the very maximum. I would probably scale down from this.


Your are concerned with SLA or you wouldn't have a cluster.
2 Dell R910 with 256GB of RAM each (go with the lowest number of procs) add more later if needed
3 years of SAN space(reassess expected growth over time) depending on your infrastructure this could blow your budget or not be a factor.
Run raid 10 for all.
1TB of for the data lun
250GB for the Log lun
10 GB for SQL system (with MSDB moved to data and log luns)
20 GB for SQL TempDB
1GB for MSDTC LUN
1 Idera SQL Diagnostic Manager license
Go


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