Solaris Admin / Storage Administration - SAN / Storage Configs for Unixadmin
by Yogesh Raheja · Published December 22, 2011 · Last modified July 2, 2015
In this post I will present EMCpowerpath & EMCsymmetrix upgrades on Solaris servers. We will be upgrading EMCpowerpath from version 5.0 to 5.3 & EMCsymmetrix from version v6.4.x to v7.1.x. a. EMCpowerpath upgrade ...
Blog for Unix Admin / Solaris Admin / Storage Configs for Unixadmin
by Ramdev · Published December 19, 2011 · Last modified August 5, 2016
Assuming there is not a mixture of SUN and NON-SUN FC HBAs in server, (ie. all HBAs from same vendor) if one of the HBAs is down looking at other HBAs in server will tell us if HBAs in server are SUN Branded or not. These...
Blog for Unix Admin / Solaris Admin / Solaris NFS
by Ramdev · Published December 19, 2011 · Last modified August 6, 2016
Running “ls -la /” hangs, yet running “ls -la” to other root directories (i.e. ls -la /usr) does NOT hang. And the system logs ( i.e. /var/adm/messages) shows NFS related errors, even though this is NOT a true NFS client. Here are the some sample errors that...
Linux Admin / Linux Performance / Redhat Linux Kernel
by Ramdev · Published December 19, 2011 · Last modified August 6, 2016
Before we discuss about Huge pages, we should revise some of the basic concepts about Operating system memory management. Operating systems basically deals with two types of memory for its operations one is Physical memory ( actual Physical RAM) and the second is Virtual memory ( combination of Physical...
Blog for Unix Admin / Solaris 10 Zones & LDOMs / Solaris Admin
by Ramdev · Published December 18, 2011 · Last modified August 6, 2016
Instructions to Verify the Configuration of Non-global Zones: 1. The zonecfg utility creates and modifies the configuration of a zone. Its subcommand verify can be used to verify the current configuration for correctness: All resources have all of their required properties specified. A zonepath is specified...
What is Automation? Automation is nothing but performing system administration tasks without manual interventions, and complete the operations using specific tools/programs/scripts. Example: Writing a script to backup the data from one server and run it using cron scheduler on every night. Why the Automation is important...
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published December 10, 2011 · Last modified July 2, 2015
In this post, I’m just trying to travel with the server to know how it resolves a hostname using the DNS name resolution.
Blog for Unix Admin / Oracle cluster Fundamentals / Oracle Cluster Maintenance / Oracle Cluster Migration / Oracle CLUSTER Services / Oracle Cluster Troubleshooting / Oracle Cluster Upgrades / Solaris Admin
by Michael Varun · Published December 10, 2011
Before going to the basic understanding of the disksets let us first know the necessity for disksets in solaris there are many prime reasons people prefer for going into disksets Availability Redundancy Efficiency Availability: Disksets are more reliable under sun cluster environment but not limited to...
Veritas Administration for unixadmin / VxVM Learning / VxVM Maintenance / VxVM Troubleshooting
by Ramdev · Published December 4, 2011 · Last modified August 22, 2015
Below procedure explains you about ‘ booting from an alternate boot disk’
Storage Configs for Unixadmin / VxVM Learning / VxVM Maintenance / VxVM Migrations / VxVM Upgrades
by Yogesh Raheja · Published December 4, 2011
In this post I will try to make a base which is used in Storage Migrations in Unix. I will be taking this post as a base and will post the storage migrations posts with reference to this one. Here I will be considering Solaris OS...
