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SQL disk config


SQL disk config

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NJDave
NJDave
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Hello - I need to approve a SQL disk configuration - I know it is best to put data, logs and tempdb on seperate drives but not sure how to determine size.

This is what was suggested by project manager...

E:\ Data - 10 TB
F:\ Logs - 5 TB
G:\ TempDB - 5 TB

The software is websense and tracks we activity so it will be writing a lot of records.

What is the best way to determine how to size the drive for logs and tempdb?

Thanks in advance
Dave
bugg
bugg
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Points: 1747 Visits: 1046
NJDave (4/19/2013)
Hello - I need to approve a SQL disk configuration - I know it is best to put data, logs and tempdb on seperate drives but not sure how to determine size.

This is what was suggested by project manager...

E:\ Data - 10 TB
F:\ Logs - 5 TB
G:\ TempDB - 5 TB

The software is websense and tracks we activity so it will be writing a lot of records.

What is the best way to determine how to size the drive for logs and tempdb?

Thanks in advance
Dave



Hi NJDave,

They shouldn't just be on different partitioned drives but on different disks that are setup in a suitable RAID configuration.
Regarding disk size, It depends on the current DB size and expected growth and data maintenance.
McSQL
McSQL
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Points: 1274 Visits: 301
As above, but I usually tend to have dedicated drives for tempdb (data / log) and the swap file (if applicable).
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