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Category: LVM

The mkvg FAQs

Posted on April 23, 2009 by Ganesh Sharma

Here in this post I’m presenting few things in the form of FAQs. The can be used as a ready reference while creating Volume Groups. To know how to create Volume Group read the article: How To Create Volume Group.

How To Create Volume Group

Posted on April 22, 2009 by Ganesh Sharma

Lots of things need to be considered while creating Volume Groups. In this post I’m presenting various scenarios of Volume Group creation. In the previous post I introduced you to listing of Volume Groups. For the ones interested in fundamentals of Logical Volume Manager read the previous article: Aix Logical Volume Manager A Brief Introduction…

How To List Volume Groups and Their Characteristics

Posted on April 18, 2009 by Ganesh Sharma

I introduced Volume Groups in one of my previous posts. In this post I’m going to discuss, how to carry out common operations on Volume Groups. For more information you can see the previous article: Aix Logical Volume Manager A Brief Introduction.
Here are few things which I’m gonna discuss in this post:

Reorganize Volume Group What Is It And How To Do It?

Posted on April 13, 2009 by Ganesh Sharma

What is reorganization of a Volume Group and why its needed, is a bit confusing for the system administrators. Here in this article I am explaining it to make it easier for the reader

How To Work With Physical Volumes

Posted on April 11, 2009 by Ganesh Sharma

I’ve written in my previous posts about introduction to Physical Volumes. There I also discussed some operations to be carried out on Physical Volumes. Now, I’ll be discussing some other operations on Physical Volumes like listing Physical Volumes, Logical Volumes on Physical Volumes, Physical Partitions allocations etc. For more information you can see the previous article: Aix Logical Volume Manager A Brief Introduction.

File Systems In AIX-A Primer

Posted on April 9, 2009 by Ganesh Sharma

Generally talking, the File Systems are collection of files, directories etc. within a single partition or Logical Volume in a Volume Group. Collecting files and directories from different Logical Volumes or Partitions does not qualify to be named as File System. Aix supports mainly three types of File Systems: JFS, NFS and CDRFS. All these are being discussed here in this article. For more information you can see the previous article: Aix Logical Volume Manager A Brief Introduction

Logical Volume In AIX A Primer

Posted on April 8, 2009 by Ganesh Sharma

Users can not access directly, the disk space available on Physical Volumes with in Volume Group. In order to access the space available, the users and applications need to access File Systems which are created on Logical Volumes. Therefore to manage Physical Volume space you need to manage Logical Volumes. For more information you can see the previous article: Aix Logical Volume Manager A Brief Introduction….

Volume Group In AIX – A Primer

Posted on April 5, 2009 by Ganesh Sharma

Volume Group is at the highest level in LVM hierarchy. Hard disks are used as Physical Volumes in LVM. Then Physical partitions are mapped to Logical Partitions. Logical Partitions are combined to Logical Volumes. These Logical Volumes comprise the Volume Group. For more information you can see the previous article: Aix Logical Volume Manager A Brief Introduction..

How Does AIX Deal With Bad Blocks

Posted on April 4, 2009 by Ganesh Sharma

The biggest concern for any organization using a server is data integrity. The various solutions like Network Attached Storage, Storage Area Networks, high availability servers, online data backup and disaster recovery solutions are among the available solutions.

AIX Logical Volume Manager A Brief Introduction

Posted on April 3, 2009 by Ganesh Sharma

The storage in Aix can be divided in two layers: Physical and Logical.

On physical level the two things come into picture:

1. Physical Volume(PV).
2. Physical Partition(PP).

On logical level the storage is divided in three parts:

1. Logical Partition(LP).
2. Logical Volume(LV).
3. Volume Group(VG).

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