In Proactive system administration, it is very important to understand the problems that may arise in our environment in future, due to the present actions, and take necessary proactive measurements to avoid them beforehand. The challenge here is, it is not possible to guess all the...
Before going to actual error we should look at the basic components of the UFS filesystem. There are four components of file system boot block : The boot block stores information used to boot the system. super-block : Much of the filesystems internal information( like data...
Beginners Lessons / Blog for Unix Admin / Veritas Administration for unixadmin / VxVM Beginners Guides / VxVM Fundamentals / VxVM Learning
by Ramdev · Published October 26, 2021
Veritas Volume Manager is a storage management application by Symantec , which allows you to manage physical disks as logical devices called volumes. VxVM uses two types of objects to perform the storage management 1. Physical objects – are direct mappings to physical disks 2 . Virtual...
Blog for Unix Admin / VCS Fundamentals / Veritas Cluster Services
by Ramdev · Published July 16, 2011 · Last modified July 23, 2016
The purpose of this post is to make the Cluster concept easy for those young brothers who have just started their career as System Administrator. while writing this post I have only one thing in mind, i.e. explain the entire cluster concept with minimum usage of technical jargon...
Verification of Hardware RAID status can be performed either from the BIOS level ( during booting) or from the OS level while the Server is running. Below procedures explains you both ways of verification
WHAT IS CLOUD COMPUTING? Google, Yahoo, Amazon, and others have built large, purpose-built architectures to support their applications and taught the rest of the world how to do massively scalable architectures to support compute, storage, and application services. Cloud computing is about moving services, computation and/or...
In my previous post about ” Cloud Computing” , I tried to explain my understanding about cloud computing so far. In this post I am trying to highlight some of the important points and concerns , from various research studies, that need attention while planning for...
Configuring SAN storage is usual task of system administration in Enterprise network environment. And Of course there is lot of engineering activity involved in certifying a process , that defines the guidelines on what hardware / software matrix should be used for stabled operating environment. In this...
Creation of a Hardware Mirrored Volume in Solaris Servers: 1.) Verify which hard drive corresponds with which logical device name and physical device name, using the raidctl command: # raidctl Controller: 1 Disk: 0.0.0 Disk: 0.1.0 Disk: 0.2.0 Disk: 0.3.0 Disk: 0.4.0 Disk: 0.5.0 Disk: 0.6.0...
IF your organization looking for a solution to host it’s entire application environment in an external vendor’s data center, your organization must be considering lot many factors to define the standards of the data center. Below post describes some of the Network Connectivity standards used for...
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