Veritas Administration for unixadmin / VxVM Learning / VxVM Maintenance / VxVM Troubleshooting
by Ramdev · Published November 19, 2011 · Last modified August 22, 2015
To replace disk for a failed boot disk must have at least as much storage capacity as was in use on the disk being replace. It must be large enough to accommodate all subdisks of the original disk at their current disk offsets # vxprint -g...
Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Troubleshooting
by Ramdev · Published November 16, 2011 · Last modified July 2, 2015
This post is continuation to the Sendmail Troubleshooting – 1 // ]]> Step 5. Verify the sendmail configuration. In Solaris 9 and above, sendmail uses a 2 queue paradigm structure (/var/spool/mqueue and /var/spool/clientmqueue). This is to make sendmail more secure by not giving out setuid for...
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting / Storage Configs for Unixadmin
by Ramdev · Published November 15, 2011 · Last modified July 2, 2015
This procedure removes the root disk from DiskSuite control while leaving all other data under DiskSuite intact. A. Boot system from CD-ROM or Single User Mode ( using Single usermode, you have to be careful to not miss any of the configuration changes). B. Restore or...
Solaris Admin / Solaris Booting / Troubleshooting Flow charts
by Ramdev · Published November 2, 2011 · Last modified July 2, 2015
Blog for Unix Admin / VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published October 27, 2011
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...
ZFS stands for “Zettabyte File System”. Zfs is a 128 bit Fs that was firstly introduced on June 2006 with Solaris 10 6/06 release. ZFS allows 256 quadrillion zettabytes of storage. Which means there would be no limit on number of filesystems and on number of...
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting / SUN Hardware
by Ramdev · Published October 26, 2011 · Last modified August 6, 2016
The unexpected reboots are most often caused by hardware faults and reported by the system as a fatal reset or a red state exception. When errors like these occur, the OS is abruptly interrupted and can’t continue to log error messages in /var/adm/messages or generate a...
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published October 24, 2011 · Last modified July 2, 2015
Sometimes DNS generates the following error: No default TTL set using SOA minimum instead.
With more than 350+ system administration posts, gurkulindia.com turned as one of the best knowledge base for most of the system administrators all over the world. On our way to improve this site as more perfect learning site for system administration, we would like to listen your...
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting
by Ramdev · Published October 18, 2011 · Last modified August 6, 2016
One of the Sample Issue: Customer frequently sees in /var/adm/messages syslogd: going down on signal 15
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