Career in storage technology requires hardwork and dedication

If You are a Jobhunter & are planning to build your Career in Storage - know this first You Need to be dedicated , hard working and little guidance thats all it needs.

I have been recieving more than 30 emails everyday in respone to my blog & I am promptly replying each and every email - Because I want to HELP YOU GET A JOB. But just getting a Job is not the end of all miseries - believe me - Getting a Job is just 20% effort - Building Your Career & Growing in your Job is 80% effort. Jobseekers email me just asking for tutorials, materials, interview questions, quick help guide - I am happy to share them all but GUYS use them well - spend more than 4 to 6 hours a day with dedication learning these things, workingout on whatever little lab setup u can configure urself.

If you are really dedicated & willing to work hard - I can surely put time to help you to guide in you whatever time I can take.

Also DO CONTRIBUTE TO THIS BLOG by emailing roger.smithson@gmail.com any article, any interview experience, any troubleshooting or anything - WHICH is ORIGINAL & not copied from web. I want to help a COMMUNITY of Job seekers - Please help me to help them most.

Do care to give more than what u take from this blog because I highly appreciate your contribution & may send you more stuff to boost your Career.

Here is a Contest - You Can Win Loads of Interview Tips,Questions,Real interview experiences, Real Resumes of some of Known SAN professionals who have openly published their resume online & lots more - All u need to do is write & help people struggling out there to get some decent job.

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DO CONTRIBUTE TO THIS BLOG by emailing roger.smithson@gmail.com - You are assured Free tutorials,Videos,information on Storage jobs.

High Availability in Storage why is it so important

For anyone aspiring for a job in storage industry this is a very important concept which he needs to gain expertise in. Because HA is very very much essential in storage. Email roger.smithson@gmail.com for a FREE SAN Tutorial PDF and also FREE HA-in-Storage PDF - Email me so I can help you in your Job Hunt or any Career plans.

HA is the process of making sure your system whether it is a Single critical production server or a cluster of servers with the interconnecting network is Highly Available, round the clock 24 Hours X 7 days X 365 days usually referred as 24X7 HA.

An integral part of building large-scale, mission-critical systems that your business and your users can rely on is to ensure that no single point of failure can render a
server or network unavailable. There are several types of failures you must plan against to keep your system highly available.

Storage failures
There are many ways to protect against failures of individual storage devices using techniques such as Redundant Array of Independent Disks (RAID). Hardware solutions that support many different types of hardware redundancy for storage devices, allowing devices as well as individual components in the storage controller itself to be exchanged without losing access to the data. Software solutions also provide similar capabilities of storage redundancy.

Courtesy: Zibiz.com : Zistor Business continuity system


Network failures
There are many components to a computer network, and there are many typical network topologies that provide highly available connectivity. All types of networks need to be considered, including client access networks and management networks. In storage area networks (SANs), failures might include the storage fabrics that link the computers to the storage units.

Courtesy: ICANN.org : Database Operations (Storage Failure)


Computer or Server failures
Many enterprise-level server platforms provide redundancy inside the computer itself, such as through redundant power supplies and fans. Vendors allow components such as peripheral component interconnect (PCI) cards and memory to be swapped in and out without removing the computer from service. In cases where a computer fails or needs to be taken out of service for routine maintenance or upgrades, clustering provides redundancy to enable applications or services to continue. This redundancy happens automatically in clustering, either through failover of the application (transferring client requests from one computer to another) or by having multiple instances of the same application available for client requests.

Courtesy: Falconstor.com : Nearline Storage to Maximize Availability in a Data Center


Site failures
In extreme cases, a complete site can fail due to a total power loss, a natural disaster, or other unusual occurrences. More and more businesses are recognizing the value of deploying mission-critical solutions across multiple geographically dispersed sites. For disaster tolerance, a data center’s hardware, applications, and data can be duplicated at one or more geographically remote sites. If one site fails, the other sites continue offering service until the failed site is repaired. Sites can be active-active, where all sites carry some of the load, or active-passive, where one or more sites are on standby.

Plz keep coming back because this blog will be updated daily twice for more information on Storage area networking or Simply Storage jobs information.