Adding a new datafile

Hi:
I have SQL Server 2000; a database with three file groups located in three
different operating system files; the database size is 200GB; for
performance reasons we added an additional storage to the server and we have
an additional disk volume, what we want to do is to add a new datafile
(datafile4) and then use any command or procedure to equally split database
information (data) among the four datafiles.
How this split can be safely performed ?
Any idea or procedure ?
Thanks and best regards,
FedericoThere is no command that will automatically split the underlying table data
across all 4 data devices.
The process of moving tables to different filegroups is manual, but if
planned out correctly, can greatly improve the DBs read/write performance,
especially if the underlying data devices/files are on seperate drives.
You will need to decide how to place the various tables in your database
across the 4 files/filegroups. You may choose to place often accessed tables
on different filegroups to improve performance when these table are accessed
simultaneously. Alternatively you may also want to place any 'archive' or
'historical' tables on a seperate data device as well. You may also choose
to place certain table's indexes on seperate filegroups then the actual
table. Which tables are moved to which filegroups and which drives those
filegroup's files reside on largely depends on the database's schema and the
way in which the database's tables are accessed.
Once you hae created the new data device and file group, search BOL for
"Placing Tables on Filegroups' to find out how to move existing tables
between filegroups.
Regards,
Dave
"Federico G. Babelis" wrote:
> Hi:
>
> I have SQL Server 2000; a database with three file groups located in three
> different operating system files; the database size is 200GB; for
> performance reasons we added an additional storage to the server and we have
> an additional disk volume, what we want to do is to add a new datafile
> (datafile4) and then use any command or procedure to equally split database
> information (data) among the four datafiles.
>
> How this split can be safely performed ?
> Any idea or procedure ?
>
> Thanks and best regards,
> Federico
>
>
>sql