Blog for Unix Admin / Solaris Admin / VCS Fundamentals / VCS Maintenance / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published September 24, 2021
Sample VCS configuration file for single Oracle instance Review the sample configuration with a resource of type Oracle that is configured as follows in main.cf file. The shared disk groups and volumes in the cluster are configured as resources of type DiskGroup and Volume respectively....
Blog for Unix Admin / VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published June 27, 2021
VCS uses two components, LLT and GAB, to share data over private networks among systems. These components provide the performance and reliability that VCS requires. LLT (Low Latency Transport) provides fast, kernel-to-kernel communications, and monitors network connections. LLT configuration files are as follows: /etc/llthosts—lists all...
Blog for Unix Admin / VCS Migrations / VCS Troubleshooting / VCS Upgrades / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published May 18, 2011 · Last modified August 5, 2016
VCS facing the following Issue : Service group not failing over when server rebooted. Error messages in /var/adm/messages file: Mar 18 15:26:48 p-vhs-ntt01b-d2 gab: [ID 316943 kern.notice] GAB INFO V-15-1-20036 Port a gen ef2e0f membership 01 Mar 18 15:26:48 p-vhs-ntt01b-d2 gab: [ID 608499 kern.notice] GAB INFO...
Blog for Unix Admin / VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published June 7, 2022
Use the following command to display the current state of the Veritas Cluster Server(VCS) configuration database: # haclus -display | grep ReadOnly ReadOnly 1 A result code of 1 indicates the configuration database is in a closed(ReadOnly) state. A result code of 0 indicates the configuration...
Blog for Unix Admin / Veritas Administration for unixadmin / VxVM Learning
by Ramdev · Published June 23, 2021
Sometimes, when failed fibre channel disks are replaced in arrays or servers under Veritas Volume Manager control, duplicate entries appear in the vxdisk list output. While Veritas indicates in TechNote 236062 that the ultimate solution is a reconfiguration reboot (or two), and while standard reboots have...
Blog for Unix Admin / Solaris Admin / Veritas Administration for unixadmin / VxVM Learning / VxVM Maintenance / VxVM Troubleshooting
by Ramdev · Published September 1, 2021
Volume Manager failed during the boot process, and we would like to boot from encapsulated root disk without vxvm. This assumes that the root disk mirror has not been corrupted yet!
Blog for Unix Admin / Solaris Admin / Veritas Administration for unixadmin / VxVM Learning / VxVM Maintenance / VxVM Troubleshooting
by Ramdev · Published May 24, 2011 · Last modified August 22, 2015
Upon boot-time startup, the VERITAS Volume Manager configuration daemon vxconfigd scans all the disks and reads the private regions on the disks. It has been observed in some rare situations, where – I/Os to a disk are failing, and – there are lengthy delays before the...
Feed / Solaris Packages & Patching / Video Learning / Video Posts
by Ramdev · Published September 11, 2015 · Last modified July 22, 2016
Solaris System patching is one of the important job responsibility for a Solaris Administrator. And when we are doing it in a production network, that task involves much more than just running patchadd commands. In this video we are discussing about the Recommended Solaris Patching Strategy...
Blog for Unix Admin / Linux LVM / Storage Migrations / Unix Experts / Unix Intermediate / Veritas Administration for unixadmin / VxVM Learning / VxVM Migrations
by Ramdev · Published August 19, 2021
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...
Blog for Unix Admin / Solaris Admin / Veritas Administration for unixadmin / VxVM Learning / VxVM Troubleshooting
by Ramdev · Published April 13, 2022
Error while adding replaced disk to the root mirror Solaris:/etc/vx/bin> vxdg -g rootdg -k adddisk rootdisk=c1t4d0s2 VxVM vxdg ERROR V-5-1-10127 associating disk-media rootdisk with c1t4d0s2: Disk public region is too small Resolution: Solaris :/etc/vx/bin> vxdisk list DEVICE TYPE DISK GROUP STATUS c1t4d0s2 auto:sliced – – ...
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