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Special Forums UNIX and Linux Applications High Performance Computing SUN Cluster Vs Veritas Cluster Post 302120385 by pressy on Wednesday 6th of June 2007 07:21:21 AM
Old 06-06-2007
i am working with both for some years now, and i am certified as "high availability designer for unix"... on my own opinion, i like the integration of the SunCluster more than VCS. like blowtorch said, the SunCluster is a kernel cluster which gives you very fast error detection, VCS just monitors the environment with "scripts" and daemons. to say that VCS uses "no kernel-level integration" is not true at all, because the cluster communication uses two kernel modules called "gab" and "llt"; anyhow, these two modules comes with the VCS but can be also found at some other products..
VCS has a nice user interface (GUI) and is "easy" to manage, where the SunCluster is a bit more "unix like". it's true to say that VCS was one of the best cluster solution in the past, comparing it to SunCluster 2.2. but since SC 3.0 the SunCluster became better and better. Looking at SC_3.1-U4 vs. VCS 4.1 i would miss nothing in SC what i need in a cluster environment. The latest version of SunCluster is 3.2 (released in 01/07), which brings a lot of new features. no question, VCS 5.0 is a massive product, but i when i am reading the release notes of VCS, i always think about a big table where 100 product managers think about new features no one really needs; reading the SunCluster release notes reminds me on 100 engineers planning how they could increase the availability of a cluster environment. Smilie
another point to think about are the costs, with VCS you must buy VxVM aswell, and every nice feature is an extra license (best example io-fencing) licenses based on tier levels... SunCluster could be used for free inside the Java Enterprise System without support... if you buy SunCluster, you get all features it would provide for one price... the SunCluster uses standard features from solaris like IPMP, MPxIO, UFS or SVM/LVM, with VCS you get thinks like VxVM, VxDMP, GAB/LLT or even VxFS Smilie
at the end of the day, i like to get support for all products from one hand, there can be no finger pointing in extreme emergency.... Smilie

but once again, many of my costumers are very happy with their VCS and many are very happy with SC... Smilie It's purely a matter of taste....
 

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Bio::Cluster::ClusterFactory(3pm)			User Contributed Perl Documentation			 Bio::Cluster::ClusterFactory(3pm)

NAME
Bio::Cluster::ClusterFactory - Instantiates a new Bio::ClusterI (or derived class) through a factory SYNOPSIS
use Bio::Cluster::ClusterFactory; # if you don't provide a default type, the factory will try # some guesswork based on display_id and namespace my $factory = Bio::Cluster::ClusterFactory->new(-type => 'Bio::Cluster::UniGene'); my $clu = $factory->create_object(-description => 'NAT', -display_id => 'Hs.2'); DESCRIPTION
This object will build Bio::ClusterI objects generically. FEEDBACK
Mailing Lists User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to the Bioperl mailing list. Your participation is much appreciated. bioperl-l@bioperl.org - General discussion http://bioperl.org/wiki/Mailing_lists - About the mailing lists Support Please direct usage questions or support issues to the mailing list: bioperl-l@bioperl.org rather than to the module maintainer directly. Many experienced and reponsive experts will be able look at the problem and quickly address it. Please include a thorough description of the problem with code and data examples if at all possible. Reporting Bugs Report bugs to the Bioperl bug tracking system to help us keep track of the bugs and their resolution. Bug reports can be submitted via the web: https://redmine.open-bio.org/projects/bioperl/ AUTHOR - Hilmar Lapp Email hlapp at gmx.net APPENDIX
The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _ new Title : new Usage : my $obj = Bio::Cluster::ClusterFactory->new(); Function: Builds a new Bio::Cluster::ClusterFactory object Returns : Bio::Cluster::ClusterFactory Args : -type => string, name of a ClusterI derived class. If not provided, the factory will have to guess from ID and namespace, which may or may not be successful. create_object Title : create_object Usage : my $seq = $factory->create_object(<named parameters>); Function: Instantiates new Bio::ClusterI (or one of its child classes) This object allows us to genericize the instantiation of cluster objects. Returns : L<Bio::ClusterI> compliant object The return type is configurable using new(-type =>"..."). Args : initialization parameters specific to the type of cluster object we want. Typically -display_id => $name -description => description of the cluster -members => arrayref, members of the cluster _guess_type Title : _guess_type Usage : Function: Guesses the right type of L<Bio::ClusterI> implementation based on initialization parameters for the prospective object. Example : Returns : the type (a string, the module name) Args : initialization parameters to be passed to the prospective cluster object perl v5.14.2 2012-03-02 Bio::Cluster::ClusterFactory(3pm)
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