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Full Discussion: Software RAID configuration
Operating Systems Linux Red Hat Software RAID configuration Post 302449966 by mitchnelson on Wednesday 1st of September 2010 05:31:45 AM
Old 09-01-2010
Thanks for the details, I am looking to the article provided.

Just on this 1 more question arises is that how can we know which Raid level is useful for the server E.g Mail, Web, Database server. Also things we can keep in mind before configuring RAID on live servers.
 

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Mail::SPF::Mech::All(3) 				User Contributed Perl Documentation				   Mail::SPF::Mech::All(3)

NAME
Mail::SPF::Mech::All - SPF record "all" mechanism class DESCRIPTION
An object of class Mail::SPF::Mech::All represents an SPF record mechanism of type "all". Constructors The following constructors are provided: new: returns Mail::SPF::Mech::All Creates a new SPF record "all" mechanism object. %options is a list of key/value pairs representing any of the following options: qualifier See "new" in Mail::SPF::Mech. new_from_string($text, %options): returns Mail::SPF::Mech::All; throws Mail::SPF::ENothingToParse, Mail::SPF::EInvalidMech Creates a new SPF record "all" mechanism object by parsing the string and any options given. Class methods The following class methods are provided: default_qualifier qualifier_pattern See "Class methods" in Mail::SPF::Mech. name: returns string Returns 'all'. name_pattern: returns Regexp Returns a regular expression that matches a mechanism name of 'all'. Instance methods The following instance methods are provided: text qualifier name stringify See "Instance methods" in Mail::SPF::Mech. match($server, $request): returns boolean Returns true because the "all" mechanism always matches. See RFC 4408, 5.1, for details. SEE ALSO
Mail::SPF, Mail::SPF::Record, Mail::SPF::Term, Mail::SPF::Mech <http://tools.ietf.org/html/rfc4408> For availability, support, and license information, see the README file included with Mail::SPF. AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org> perl v5.16.3 2014-06-10 Mail::SPF::Mech::All(3)
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