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Operating Systems Linux Virtualization best practices Post 302813345 by abohmeed on Monday 27th of May 2013 06:09:43 AM
Old 05-27-2013
Virtualization best practices

Hello admins and gurus

I have a controversial topic: now we are investing in a new Linux OS that will hold our Sybase database. The server will virtualized on a VMware server hosted on SAN storage. Now the question is, when we install the database engine is it better - in terms of performance - to put the data files on a separate LUN and connect to it through fiber channel or to create a virtual disk and attach it "locally" to the virtual server as if it was one of it's disks and put the datafiles on it?
In other words, in a virtual word is it better to attach a virtual disk or to connect to a separate LUN provided that both of them are on SAN?
 

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SQL::ReservedWords::Sybase(3pm) 			User Contributed Perl Documentation			   SQL::ReservedWords::Sybase(3pm)

NAME
SQL::ReservedWords::Sybase - Reserved SQL words by Sybase SYNOPSIS
if ( SQL::ReservedWords::Sybase->is_reserved( $word ) ) { print "$word is a reserved Sybase word!"; } DESCRIPTION
Determine if words are reserved by Sybase. METHODS
is_reserved( $word ) Returns a boolean indicating if $word is reserved by either Sybase ASE 12 or 15. is_reserved_by_ase12( $word ) Returns a boolean indicating if $word is reserved by Sybase ASE 12. is_reserved_by_ase15( $word ) Returns a boolean indicating if $word is reserved by Sybase ASE 15. reserved_by( $word ) Returns a list with Sybase versions that reserves $word. words Returns a list with all reserved words. EXPORTS
Nothing by default. Following subroutines can be exported: is_reserved is_reserved_by_ase12 is_reserved_by_ase15 reserved_by words SEE ALSO
SQL::ReservedWords <http://infocenter.sybase.com/help/> AUTHOR
Christian Hansen "chansen@cpan.org" COPYRIGHT
This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.8.8 2008-03-28 SQL::ReservedWords::Sybase(3pm)
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