Multiple Databases/One SQL Server instance

We would like to put several production databases (approx. 8) on one
sql server instance.
Each database has 3 filegroups(primary, index, log), what is the best
way to set up these files on the server? We will have 3 or 4 drives.
Is it best to spread the log files across the different drives, or keep
the log files all on one drive etc?Hi
What do you mean by 3 or 4 drives? If these are physically separate drives
then if you want resilience then you would probably be best of mirroring
them, therefore leaving you with two pairs of which log files can go on one
pair and data files can go on the other pair. If you want more resilience
then you would need a minimum of 3 discs for Raid 5 and 4 discs for Raid 10.
You may want to read more on raid such as at
http://msdn2.microsoft.com/en-us/library/ms190764.aspx and
http://www.acnc.com/04_01_10.html
As the type of I/O for log files is different to that of the data files you
are best keeping them separate. If you subsequently have I/O problems then
you will need to analyse what is causing this, and possibly move one or more
filegroups and their data files onto their own set of discs.
John
"Jayme" wrote:
> We would like to put several production databases (approx. 8) on one
> sql server instance.
> Each database has 3 filegroups(primary, index, log), what is the best
> way to set up these files on the server? We will have 3 or 4 drives.
> Is it best to spread the log files across the different drives, or keep
> the log files all on one drive etc?
>