Troubleshooting In Solaris: Unable to get any outputs from prtdiag command. Prtdiag is one of the most useful command to find out the hardware details in Solaris OS. But sometimes in real scenarios you will find that Prtdiag command will hung or not execute at all....
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting / Troubleshooting Flow charts
by Ramdev · Published May 9, 2021
Boot arguments may include more than one string. All argument strings are passed to the secondary boot program; they are not interpreted by OpenBoot. If any arguments are specified on the boot command line, then neither the boot-file nor the diag-file nvram variable is used. The...
Beginners Lessons / Linux Beginners Guides / Linux Networking / Network Design / Solaris Beginners Guides / Solaris Networking / Unix Beginners / Unix Experts
by Ramdev · Published January 3, 2022
Virtual LANs or VLANs are virtual separations within a switch that provide distinct logical LANs that each behave if there were configured on a separate physical switch. Some Important points about VLANS. All the servers connected with in a VLAN will have same broadcasting domain, and...
On Sun Fire T1000/T2000 field could replace DIMMs individually, it is not required to replece DIMMs by pair or bank.
The X4000 Family implements the ILOM – Integrated Lights Out Manager. This is a combination of dedicated hardware and supporting software. The Sun Fire X64 family of servers implement a technology called ILOM – Integrated Lights Out Manager where available. This is a combination of dedicated hardware...
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting / SUN Hardware
by Ramdev · Published April 8, 2021
System Administrators encounter frequent issues with onboard PCI slots after the maintenance operations like the OS upgrades, patch installations and firmware upgrades. And often it will leave us in a situation that we couldn’t boot up the machine, because of the issues to recognize PCI slots after...
In our previous post “Beginners Lesson – Veritas Cluster Services for System Admin” we have discussed the fundamentals of clustering and it’s purpose. In this post I would like to take you little deep inside of the clusters just to explore how the VCS...
Blog for Unix Admin / VCS Fundamentals / VCS Troubleshooting / Veritas Administration for unixadmin
by Ramdev · Published June 12, 2014
VCS uses the Group Membership Services/Atomic Broadcast (GAB) protocol for cluster membership and reliable cluster communications. GAB has two major functions. It handles the following tasks: Cluster membership Cluster communications To configure GAB Set up an /etc/gabtab configuration file on each...
Configure an Oracle database on shared disks using the Database Configuration Assistant. You need to configure the database only once, from the node on which you installed Oracle first. If you configured ASM for Oracle database storage, configure the Oracle database on ASM disk groups.
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