Below instructions useful to deal with a common issue in upgrading an operating system (OS) where the existing partitions, which were fine for the operating system (OS) prior to upgrading, are not large enough to hold the same file systems of the new OS. As a example, one of...
Blog for Unix Admin / Solaris Admin / Solaris Disk Management
by Ramdev · Published October 24, 2021
As a result of unusual failures such as multiple power failures, Solstice DiskSuite /Solaris Volume Manager both submirrors of a metadevice mirror may be left in an unusual “Last Erred / Last Erred” state making it impossible to determine exactly which submirror must be fixed/replaced first...
NFS-filesystems that are mounted read-write or that contain executable files should always be mounted with the “hard” option. Normally an application is not aware of where the data (files) it is accessing is located – it only knows the pathname. The data could be located locally in an UFS...
Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Performance Monitoring
by Ramdev · Published June 13, 2022
Collisions may occour on ethernet links which are operating at Half Duplex (HDX). They do not occour on links using Full Duplex (FDX). The normal formula to calculate the packet collision rate is: ( collisions / output packets ) * 100 = collision rate For example: #...
This article will help you to gather necessary information required to understand and troubleshoot Solaris Network related issues. And Resolving the issues found during the Data analysis is not covered in this article.
snoop” data is often required to analyze network issues. The snoop command captures packets from the network for direct or later analysis.
Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Troubleshooting / SUN Hardware
by Ramdev · Published March 10, 2011 · Last modified August 6, 2016
When troubleshooting for Ethernet hardware issues, it might be useful to check the interface’s error statistics, but what do they mean?
Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Troubleshooting
by Ramdev · Published February 27, 2022
The command ‘ifconfig -a‘ will find system network interfaces that have been configured on boot, but it is difficult to find the interfaces that may be ‘sleeping’ . We normally trace the name by searching thru dmesg, prtconf, or /etc/path_to_inst
Blog for Unix Admin / Solaris Admin / Solaris Performance Monitoring
by Ramdev · Published June 5, 2021
in Solaris 10, the method that is used to calculate usr, sys and idle time has changed. As well, the waitio time has been hard-coded to 0 in all instances (because it was never a very meaningful statistic).
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting
by Ramdev · Published May 24, 2011 · Last modified July 2, 2015
For Solaris System Administrators It is often necessary to find out all the related processes that are using a specific network port. There are several ways to accomplish this (lsof, pfiles, crash): Method 1: lsof examples: Ex: netstat -a shows a connection between hodware.port 36169 to...
[contact-form to='ramkumar.ramadevu@gmail.com' subject='New Learning Request Submitted'][contact-field label='Name' type='name' required='1'/][contact-field label='Email' type='email' required='1'/][contact-field label='Learning Request' type='textarea' required='1'/][contact-field label='Are you Looking for ' type='radio' required='1' options='Paid Training,Free Training'/][/contact-form]
