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Suggestions on how to carve this up?


Suggestions on how to carve this up?

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CodeMuddler
CodeMuddler
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Group: General Forum Members
Points: 47 Visits: 244
I have a 2 node failover cluster running SQL 2012 enterprise. The purpose of the server is to host a reporting database (no OLTP workloads).

The servers are 12 core Sandy Bridge Xeons, 128GB RAM, with 4x 145gb 15k rpm spindles internally.

For storage I have an IBM DAS with 24 identical spindles. 300GB, 10k rpm. The DAS is connected via 6gb SAS.

The DAS supports RAID levels 0/1/5/6/10


Just looking for some advice on how to carve this DAS up. I need to host the reporting database, the staging database, the Business Objects Enterprise database (20 Gig at present), the logs for said databases, and of course the system databases / TempDB. All of this data can be re-acquired from the production system, so the reporting and staging databases are running in simple recovery mode. Backups are done to some slower disks on a Netapp SAN.

Current Sizes & Trends

Reporting DB: 1.5TB, growth trend ~650GB/year
Reporting Log: 80GB, no growth past 6mos
Staging DB: 50 GB, no growth past 6mos
Staging Log: 50 GB, no growth past 6mos
BOE DB: 20 GB, minuscule growth
BOE Log: 450 MB, minuscule growth

TempDB DB: 65 GB
TempDB Log: 2 GB

The write workload happens between 1 and 5:30 AM every morning as part of an ETL process; then the scheduled BOE reports kick off at 6:00 AM, followed by ad-hoc reporting throughout the rest of the day.

I know a lot more about query optimization and such than I do about storage architecture, so I'd really like to get some advice on the best way to utilize what I have to get the best performance, while getting 2-3 more years before having to purchase additional storage capacity (based on current growth trends).

**Edit added memory to server specs.

blog: http://www.codemuddler.com
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aderuwe
aderuwe
Forum Newbie
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Group: General Forum Members
Points: 3 Visits: 226
This is the age old question and I've never gotten a good answer...ever. I've asked SQL MCMs, MVPs, trainers and never been able to get a good answer. Its always "well, it depends...." with no explanation. I've done my fair share of reading on storage architecture and can't come up with a good answer myself, either. Am I just at Google?
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