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Storage & Clustering Community Blog
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Corradino Milone | 18 Mar 2013 | 0 comments

 

Point in time copy is a technology that permit to make the copies of a large sets of data a common activity.

Like photographic snapshots capture images of physical action, point in time copy or snapshot are virtual or physical copies of data that capture the state of data set contents at a single instant. Both virtual (copy-on-write) and physical (full-copy) snapshots protect against corruption of data’s content. Additionally, full-copy snapshots can protect against physical destruction. These copies can be used for a backup, a checkpoint to restore the state of an application , data mining, test data and kind of off-host processing. An important peculiarity of these copies is that from the application point of view the copy seems to occur atomically. That means that all the data updates that happens on the original data are applied before or after the point in time copy.

The definition that the Storage Networking Industry Association (SNIA) gives...

bpascua | 14 Mar 2013 | 0 comments

Cloud computing has long been a buzz word in the IT sector. A seemingly fitting definition of cloud is “a model for enabling convenient, on demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort. Many organisations have cautiously been dipping their toes in the public cloud market. Many applications can be seamlessly delivered through public clouds which alleviate the need to on premise servers and reduce the capex costs involved with hosting these services on premise.  Public clouds offer the benefit of utilizing someone else’s  infrastructure to run IT workloads on a pay as you go basis thus reducing your capex costs. Private clouds are different since they leverage cloud technology and ultimately reduce overall opex costs and improve business agility. Many organisations particularly in the financial sector simply wont use public clouds for their mission critical...

dennis_wenk | 12 Mar 2013 | 0 comments

Information Technology (IT) is tightly integrated with the business; it has transformed the way we do business.  Nicholas G. Carr points out his seminal Harvard Business Review article IT Doesn’t Matter that the capital investment in IT is significant; “nearly 50% of capital expenditures by American companies and more than $2 trillion a year globally are spent on IT. …no one would dispute that information technology has become the backbone of commerce.  It underpins the operations of individual companies, ties together far-flung supply chains, and, increasingly, links businesses to the customers they serve.  Hardly a dollar or euro changes hands anymore without the aid of computer systems”.   Technology is the fundamental infrastructure for the modern business.

Carr continues with; “Today, an IT disruption can paralyze a company’s ability to make products, deliver its services...

Michael Black | 07 Mar 2013 | 0 comments

 

Hi, all.

We have released a set of articles that contain information about troubleshooting the "failed" disk status, as reported by vxdisk.

Here is the link:

"Failed" or "failed was" is reported by vxdisk
http://www.symantec.com/docs/TECH200618

Since this is a broad topic, the "technote" is actually a set of about a dozen article that have been organized into a logical tree structure, with TECH200618 at its "root."

Let us know what you think!
 

Regards,

Mike

jmartin | 28 Feb 2013 | 0 comments

 

On February 20, 2013, Symantec completed another release of Symantec Operations Readiness Tool (SORT)! With SORT’s focus of improving the total customer experience for Storage Foundation and NetBackup customers, we’ve added the following Storage Foundation High Availability Solutions features and improvements to the website:

  • Support of the Storage Foundation 6.0.2 release

Visit SORT at http://sort.symantec.com to see why thousands of Symantec customers continue to gain value from the site.

 

dennis_wenk | 27 Feb 2013 | 0 comments

The modern organization is highly dependent on information technology, simultaneously and quite unintentionally, information technology has introduced new exposures which have deceptively seeped into every layer of the financial organization.  The likelihood that an organization will experience a catastrophic loss from an IT-service interruption caused by an IT issue is far greater than an interruption coming from some disaster or ‘black swan’ event.  Still, the key to survival is allocating the appropriate amount of resources to the “right” risks; while that may include planning contingencies for a worse-case scenario, to be rational about risk more guidance regarding the investment tradeoffs that mitigate risk.

The “Big Question” is how to optimize scarce resources today, to achieve the greatest reduction in future losses.  The Big Question two components: (1) which risks are the serious ones and...

bpascua | 20 Feb 2013 | 0 comments

Recently one of my customers had a series of outages in the Communications between their buildings. The upshot of this is because of the way they had deployed their clusters they weren’t protected against their cluster nodes losing communications between each other. I have seen mixed experiences from my customers in terms of split brain issues (split brain is when all nodes in a cluster begin writing in an uncoordinated fashion to shared storage as they each believe they are the last node in the cluster)

I have seen customers running Campus Clusters with no split brain protection and have yet to see any problems. I have also seen other customers who go belt and braces using IO fencing which is built into VERITAS cluster server. Some have issues due to the way they handle the IO fencing devices as they are often not understood. So what's it all about then? it’s pretty simple.

For a cluster to work there needs to be a communication system between the...

c3lsius | 19 Feb 2013 | 0 comments

The Veritas Operations Manager team is launching a new version middle of this year, and we want you (current or new customers) to try out the beta and give us feedback. Check out the VOM and VOM Advanced 6.0 Technology Preview post on what new features you can expect and how to participate in the beta program.

Also, the VOM Tell Your Story Contest for current VOM or VOM Advanced customers has been extended to April 30, 2013. Share your experience about VOM or VOM Advanced to earn extra Symantec Connect points. Here are the contest details.

AlanTLR | 11 Feb 2013 | 1 comment

My role as a Systems Administrator and storage provisioner often results in requests for additional space, usually from an Oracle database administrator.  This often provides a challenge, as working under a very limited budget we often have to re-allocate resources.  We decided to try out Veritas Operations Manager before looking at Veritas Operations Manager Advanced.  

Using Veritas Operations Manager helps in the monitoring of the disk space and also allows one to view the tablespaces quickly of the databases, so one can tell if there's room for the Database Administrators to adjust the sizes of the tablespaces.  In most of my cases, where there is not more space available on the Oracle's filesystem and all tablespaces are full, I've been able to look at the free space of my other VXVM filesystems and re-allocate from there (Attachment 3, vomimg03...

TonyGriffiths | 01 Feb 2013 | 0 comments

Veritas Storage Foundation and High Availability Solutions (SFHA) 6.0.3 is now available

For AIX , Solaris, Red Hat Enterprise Linux, SUSE Linux and HP-UX

SORT links are below:

 

Use SORT notifications to receive updates on new patches and documentation.

 

Cheers

Tony

 

 

 

 

 

Rank

Product

Release type

Patch name

Release date

1

Veritas Storage Foundation HA 6.0.1

Maintenance Release

...