Category: Veritas Administration for unixadmin

5

Solaris Tips : Check current active boot device, when used in volume manager (SDS / SVM / VxVM)

During regular maintenance It is often a requirement  to us to determine which  disk we actually boot from when the root volume is under volume manager control.   Solaris on SPARC   Sparc with SVM  # prtconf -pv|grep bootpath: bootpath: ‘/sbus@3,0/SUNW,fas@3,8800000/sd@1,0:a’ Sparc with VxVM Root Volume...

6

Unable to get EMC storage Lun's visible under veritas control in Linux.

  I was performing Storage migrations for Linux RHEL 5.x and 6.x having VXVM. Storage have provided the Lun’s and confirmed all is okay from their end. But I was unable to get them visible on Veritas level though the same were visible at OS level....

16

SAN Storage Migration – Solaris with VxVM

This is a following post for my previous SAN migration post  Solaris host level SAN migration (with SVM) from Clariion to VMAX.   As discussed earlier in my previous post,  many organisations started migrating their Server storage from Old legacy SAN devices ( e.g. EMC Clariion )...

9

VxVM Troubleshooting – Increasing the Size of Veritas Disk Private Region

    We know that each disk under veritas volume manager  is having some  identification information in it’s private region, so that the disks are readily identifiable irrespective of the machine they are connected.  When we place these disks under Veritas Diskgroups, the VxVM will start writing...

13

Storage Operations – VxVM vs RHEL LVM2

  Storage Operation VXVM RHEL LVM2 Installation and Configuration Installed using Veritas installer Installed as part of standard build via rpm Scan for new devices # vxdctl enable # vgscan Print list of volumes # vxprint -v # lvdisplay -C Print current config (detailed) # vxdg list # vgdisplay   list volume...

2

Veritas Netbackup : Unable to detect Robot from master server after Veritas Netbackup upgrade to 7.1.0.4.

 Below are the steps to rebuild the /dev/sg/* and /dev/rmt/* and to detect Robot devices on a Solaris server:  Note: Prior to below steps I have verified the outputs in cfgadm to check Tapes and Media Changer (Robot) status.  1.)  Check and create a backup copy...

34

Solaris host level SAN migration from Clariion to VMAX – Hands on Lab

During the past two to three years,  many organisations started migrating their Server storage from Old legacy SAN devices ( e.g. EMC Clariion )  to new  powerful SAN storage ( e.g. EMC Symetrix VMAX) because of the low performance and maintenance costs involved with legacy storage....

13

Volume manager Migration from LVM to VxVM in Linux – Part 1

  We all know that storage is key requirement for any server environment and the requirement for storage is always dynamic in nature. When we talk about the cost, providing highly redundant storage to each server is most expensive task for any organization and no company...

4

Recovery of DISKGROUP in VXVM (Veritas Volume Manager).

Since long time I was thinking to have practical hands-on to how to recover Diskgroup in VXVM (which got  faulty and we are unable to import that). But unfortunately I wont have real time outputs with me to show how that can be achieved. But here...

4

Unix Admin Reference – Veritas Volume Manager Volume States and Plex States

    While Troubleshooting Veritas Volume Manager, Understanding volume and plex states is key part to investigate about the current issue related to the Veritas Volumes. In this post, I made little effort to write all the possible Volume and Plex states so that it can...

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