Before going to actual error we should look at the basic components of the UFS filesystem. There are four components of file system boot block : The boot block stores information used to boot the system. super-block : Much of the filesystems internal information( like data...
Solaris Admin / Solaris Troubleshooting / Unix Beginners / Unix Intermediate
by Ramdev · Published June 11, 2021
Syslogd is the daemon that continuously reads and forwards system messages to the appropriate log files or users, depending upon the priority of a message and the system facility from which it originates. The syslogd daemon reads the /etc/syslog.conf to process each and every system message...
Solaris Troubleshooting / Unix Intermediate
by Ramdev · Published September 8, 2013 · Last modified July 2, 2015
The utmpx and wtmpx files are extended database files that have superseded the obsolete utmp and wtmp database files. The utmpx database contains user access and accounting information for commands such as who, write, and login. The wtmpx database contains the history of user access and...
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting
by Yogesh Raheja · Published November 19, 2021
How to collect crash dump for solaris x-86 arch servers. Sometimes your System crashed/paniced all of a sudden and you will see there will not be any crash dump files created for analysis. But Vendor always require system dump files to analyze the server to provide...
Solaris Admin / Solaris Troubleshooting / solaris X86
by Yogesh Raheja · Published August 26, 2011 · Last modified July 2, 2015
This is a common issue encountered in x-86 solaris boxes. We wont be able to get to the console though all connection and ports for the console are fine. Below are the steps which needs to be done in order to get to the console:
Error Message : Test address is not unique; disabling probe-based failure detection on interface_name ( Solaris 10 ) Error Explanation : For in.mpathd to perform probe-based failure detection, each test address in the group must be unique. Since the IPv6 test address is a link-local address...
Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Troubleshooting
by Ramdev · Published February 13, 2022
This document is a short summary of failure detection types with additional/typical/recommended configuration examples using Link-based failure detection only. Even though link-based failure detection was supported before Solaris 10 (since DLPI link up/down notifications are supported by used network driver), it is now possible to use...
Memory Management in Solaris (how to repair temporary memory faults) Herein I am trying to present a simple method to recover faulty temporary memory errors for Solaris OS. Below are the steps: A) Check the memory errors/faults via FMA (fault management Administration). Check the errors with...
Linux Admin / Linux Networking / Linux Troubleshooting / Solaris Networking / Solaris Troubleshooting / Unix Intermediate
by Ramdev · Published May 28, 2012 · Last modified August 6, 2016
Network connectivity checks For the server without OS ( just Racked hardware and powered up) For X86 Hardware We have to make LED checks – like when we disconnect the cable at the server side / switch side the Link / Act LEDs should lit...
Solaris 10 Zones & LDOMs / Solaris Admin / Solaris Troubleshooting
by Yogesh Raheja · Published August 31, 2022
Yesterday I faced an issue, where in I was unable to login into NGZ’s after kernel patching. Though the zlogin was working perfectly. Initially I think the cause is ssh key, then I tried to login into the NGZ from the network, it was showing ssh connection refused....
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