VXVM(veritas volume manager training) 7 of 10Veritas Dynamic Multi-Pathing provides greater availability, reliability to SAN paths and it increase the SAN I/O using load balancing .SAN path redundancy ensured by path failover. What is multi-pathing software ?Server is connected to SAN using one or more fiber channel(FC) in […]
VXVM tutorial-6- Volume online relayout
VXVM(veritas volume manager training) 6 of 10 VXVM Volume – online Re-layout:In this post we are going to see how to convert the volume from one layout to another layout without un-mounting the volume.You can use the vxassist re-layout command to reconfigure the layout of a volume without taking it offline. Supported re-layout for concatenated volumes 1. […]
VXVM Tutorial 5 – Volume resize
VXVM(veritas volume manager training) 5 of 10 Volume Resize: VXVM is very flexible and reliable volume manager to resize volumes without un-mounting it. we can re-size the volumes using vxassist and resize filesystem using fsadm.vxresize command will perform both volume and filesystem re-size operation simultaneously. Here we are going to see how […]
VXVM Tutorial4 – Volume Operations
VXVM(veritas volume manager training) 4 of 10VxVM builds volume using virtual objects of VM disks, disk groups, subdisks, and plexes.These virtual objects can organized easily using vxassist command to create new volume.Here we are going to see about how to create a new volumes with different layout […]
VXVM Tutorial3 – Diskgroup Operations
VXVM(veritas volume manager training) 3 of 10 The vxdg utility performs various diskgroup operations that includes the creation of disk groups, addition of disks in to diskgroup,removing disk from diskgroup.This command performs disk group imports and deports as well.Here we are going to see how create a new […]
VXVM – DISK Operations tutorial
VXVM(veritas volume manager training) 2 of 10 In this post, we will see how to scan the physical disks and bringing the disks in to veritas volume manager control. In this short post, let’s see how to scan new disk in vxvm, disk naming convention and how to bring it in […]
VXVM (Veritas Volume Manager) Training
VXVM(veritas volume manager training) Objective: Learn how to integrate, operate, VERITAS Storage Foundation in a Solaris environment. This training provides instruction on operational management procedures for VERITAS Volume Manager (VxVM) and you will learn how to install and configure VERITAS Volume Manager and how to manage disks, disk groups, and volumes by using from the command line.For your […]
How to calculate SAR and VMSTAT memory values
Most of the UNIX beginners are very confused with sar and vmstat outputs.In most of the occasion they are not able to determine the free memory and free swap in order to find the memory bottleneck.Not all the time “top” command will give right values. Ksar graphical tool also very useful to analysis bottleneck.SAR:Now we will see how to calculate free memory and swapFormula: Free memory […]
How to generate crash-dump in Solaris ?
Crashdump is memory dump of the system during the crash/panic. This dump file will provide you the exact status of system when the system panic or crashed. So we can determine root cause for crash by analyzing this file.If you are not expert to analyze this ,you can raise the support case with oracle for analyzing it. Dumpadm manages the following: […]
Solaris memory management – Performance issue
Memory bottlenecks are evidenced by two different things happening on the system — paging and swapping. Paging refers to pages of memory being reclaimed by the page daemon when the system starts to get low on free memory. Swapping is more extreme, and refers to entire processes being swapped out. To determine if you are […]