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Storage & Clustering Community Blog
Showing posts tagged with Cluster Server
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Kimberley | 02 Nov 2012 | 0 comments

During his tenure at Yapi Kredi Bank, Cahit Erdogan has overseen rapid growth and expansion. Dealing with growth is never easy, especially in IT, but with the help of a number of Symantec solutions Erdogan has been able to tackle the challenge head on. Since partnering with Symantec the bank has realized a number of benefits including improved security, lower storage costs, and high availability of business critical data and applications. Check out this case study in CIO Digest to read more about Yapi Kredi Bank’s success. http://bit.ly/V2E7uA

ttron | 01 Nov 2012 | 0 comments

Great testimonial from one of our top SAMG partner discussing Storage Foundation and Cluster File System.

http://www.symantec.com/tv/products/details.jsp?vid=1932583047001

Hema V | 31 Oct 2012 | 0 comments

Based on the common escalations that I had handled for the fencing module in Veritas Cluster Server Product in the SAMG Division, one frequently visited aspect is to check the SCSI3 comaptibility the coordinator disks used for fencing.

As a best practice, it is always better to run the vxfentsthdw utility to check if the intended coordinator disks are infact, SCSI3 compatible. This step is a pre-requisite before installing/configuring fencing module in 'enabled' state for SCSI3 mode or 'customized' mode provided atleast one SCSI3 disk is involved.

However in some cases especially scenarios for array qualification, we have noticed that vxfentsthdw returns success because the underlying VxVM-DMP module returns success even if the intended operation did not succeed. Hence to make sure such scenarios are not applicable in your environment, it is better to run the following commands, in addition to running vxfentsthdw utility on the coordinator disks:...

deepak rawal | 26 Oct 2012 | 0 comments

Configuration wizard for creating a cluster provides option to setup LLT with Ethernet or UDP/IP protocol. This post provides some details on which option to choose. 

Cluster configuration wizard (VCW) detects NIC cards available for configuring LLT network links on each windows server.  Selecting NIC(s) for each server configures LLT to use Ethernet protocol.  If is important to make sure that each NIC is connected (either directly OR via a layer 2 switch) via separate network hardware for increased fault tolerance.  This is relatively easy to ascertain for Ethernet, since connection traverses a few network components. All windows servers connected to same Ethernet  are able to discover each other (ARP) dynamically.  This makes changing network configuration for cluster relatively simple. LLT traffic network overhead is low.  For large number of virtual machines hosted on a hypervisor in a datacenter, this type of...

Kushal Shah | 25 Oct 2012 | 0 comments
If failover is slow even after setting FastFailover attribute, check the following on all the nodes under cluster.
 
– Fast failover feature is installed.
 
– Fast failover license is present.
 
– Check SCSI-3 settings.
 
   •  Can be verified from VEA GUI under Control Panel>System Settings, SCSI support tab.
 
   •  During VMDG resource online, following error message is displayed in VEA GUI if SCSI-2 is set and Fast failover is enabled.
 
      “Fast failover is supported only with SCSI-3.”
 
– Dissimilarity in number of disks on active and passive nodes.
 
   •  Check for the number of missing disks under the diskgroup on both active and passive...
anishv | 25 Oct 2012 | 0 comments

Symantec ApplicationHA on IBM LPAR (PowerVM) is now offered with IBM PureFlex System, a new class of expert integrated systems, delivering simplicity of deployment and operation to the customers. Pre-packaged in a Virtual Appliance form factor, the customer receives ApplicationHA together with AIX 7.1 in one image. The image is available on trialware at https://www4.symantec.com/Vrt/offer?a_id=151397

ApplicationHA can be configured to control and provide visibility to the application of your choice, including Oracle, DB2, Apache, WebSphere etc.

This is a good endorsement from IBM of Symantec's ApplicationHA product. We are looking into expanding this activity to include more products from Symantec.

With this activity, Symantec has joined an elite group of third party vendors including VMWare & Juniper who bundle their offerings as part of IBM PureFlex systems.

AHerr | 25 Oct 2012 | 0 comments

The introduction of a new release of SFHA is always met with the question of what has changed in this release?

The goal of this document is to explain what has changed in the different areas of the product.

It conveniently groups the changes in the areas where they are implemented.

We have also broken out our major features introduced within this release into a section in the beginning of the document in case you are just interested in learning more about the new Storage Foundation and VCS features.  It also includes information on the newly released VCS 6.0.2 capabilities within Linux VMware Virtual Machines.

This document does not have information on feature implementation but does point out which document to consult for more information.

Additional product documentation is available  at https://sort.symantec.com/documents

Maria Bledsoe | 23 Oct 2012 | 0 comments

When you saw Data Center Down! did you have questions? Wonder why the failover took 4 minutes? What it was like to set up a DR scenario on a roof? How San Jose City Hall let us do this?

In this LIVE show, the production and engineering crews of the Data Center Down! answered these questions and more. They explored what it’s really like to throw a 500lb server rack loaded with enterprise software from the roof and have it all failover to a secondary site - without any visual effects or camera tricks.

The engineers went through the technology that made it happen. The video crew talked about the high stakes production.

Watch the replay of the webcast now - https://www4.symantec.com/Vrt/offer?a_id=150981

Doreet | 23 Oct 2012 | 0 comments

Taneja says "Symantec Veritas Cluster Server Takes Vrtual Server HA to the Next Level"

This is an awesome testimonial from Jeff Byrnes, an analyst from Taneja Group, who provides expert analysis and consulting services for the computer storage and server industries.

“All in all, we think the latest Veritas Cluster Server for VMware release adds significant value to customers running business-critical applications in virtualized environments.”

Doreet | 22 Oct 2012 | 1 comment

ESG Labs just published a blog on the ESG website discussing Storage Foundation performance and capabilities on Linux as contrasted to the native tools.

This is AWESOME!!! Check it out!

http://www.esg-global.com/blogs/come-one-come-all-to-the-greatest-show-on-earth/