Answer by Håkan Winther
SAN usually give you an overhead to the latency, that you don't get on a traditional direct accessed storage. High latenvy affects the Random IO negative. What you should do is to use a different LUN...
View ArticleAnswer by WilliamD
It has little to do with SAN/no-SAN. You can have a SAN and only 2 disks supplied for your DB-Box and that could be slower than directly attached storage with 14 Disks. It also depends upon data access...
View ArticleAnswer by Matt Whitfield
The reason you won't have seen a difference is based on loading. Unless you hit the saturation point of the I/O that a single drive can handle while multiple processes are vying for that I/O, then your...
View ArticleAnswer by Cyborg
If you are in a multi processor environment you can improve the performance of queries having join operations by creating Multiple files and file groups and putting those tables in seperate file...
View ArticleAnswer by ozamora
Depends on the SAN solution. Some will allow you to specify "X spindles will be carved and dedicated to SQL Server". If you manage to dedicate 2 of X spindles, then yes, you will see a performance...
View ArticleAnswer by Håkan Winther
SAN usually give you an overhead to the latency, that you don't get on a traditional direct accessed storage. High latenvy affects the Random IO negative. What you should do is to use a different LUN...
View ArticleAnswer by WilliamD
It has little to do with SAN/no-SAN. You can have a SAN and only 2 disks supplied for your DB-Box and that could be slower than directly attached storage with 14 Disks. It also depends upon data access...
View ArticleAnswer by Matt Whitfield
The reason you won't have seen a difference is based on loading. Unless you hit the saturation point of the I/O that a single drive can handle while multiple processes are vying for that I/O, then your...
View ArticleAnswer by Cyborg
If you are in a multi processor environment you can improve the performance of queries having join operations by creating Multiple files and file groups and putting those tables in seperate file...
View ArticleAnswer by ozamora
Depends on the SAN solution. Some will allow you to specify "X spindles will be carved and dedicated to SQL Server". If you manage to dedicate 2 of X spindles, then yes, you will see a performance...
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