Tagged: solarisadmin

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Solaris Troubleshooting : System rebooted … is it Fatal Reset or Red State Exception ?

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...

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Storage : Expansion of solaris filesystem after expanding the corresponding LUN from storage.

Procedure to expand default partition table using native OS utilities: Note: Because the partition table will be removed and rewritten, the following procedure is appropriate ONLY when the file system on the disk has been created on slice 2 and spans the entire Symmetrix volume. The following...

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Solaris Troubleshooting : map the Physical Device(s) from an EMC PowerPath Pseudo Device seen in “format” output

Under normal circumstances, an administrator could use the EMC PowerPath commands to obtain this information (ie. the powermt command). Sometimes this output is not always available, especially since Sun Explorer script does not collect it.

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HBA replacement in Solaris.

HBA replacement in Solaris. HBA replacement is one of the major and tricky task in Solaris as it involves the understanding of WWN. Both Old WWN (for faulty HBA) and New WWN (for newly installed HBA) are required for zoning and masking to map the HBA paths from...

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Solaris Troubleshooting : Memory usage checking and troubleshooting

First you’ll need to check  how much Memory is used in Kernel and how much is used in User Memory. This is important to decide, what troubleshooting steps are required. A nice mdb dcmd ( this command can take several minutes to complete, and you have...

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