Category: Blog for Unix Admin

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VxVM Troubleshooting – Procedure to Replace Internal FibreChannel (FC) Disks controlled by VxVM

Hot swapping of a failed disk is fairly straight procedure if the disks are regular SCSI disks, but for the Fibre Channel (FC) disks we should follow different procedure for hot swaping. Below specific procedure should be used when replacing one of the internal disks in...

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Using "asr-disable" to disable PCI slots from OK prompt – Servers V440 or V490

System Administrators encounter frequent issues with onboard PCI slots after the maintenance operations like the OS upgrades, patch installations and firmware upgrades. And often it will leave us in a situation that we couldn’t  boot up the machine, because of the issues to recognize PCI slots after...

3

Solaris SVM – How to check on a running machine which disk was used to boot.

It is often possible that we boot from a Solaris machine from one of the root mirror disk, and after sometime we forget current active disk. And the information of active boot disk is important while we perform SVM maintenance disks. This post will help you...

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Solaris IPMP – Diagnosis and Troubleshooting

Symptoms: *  mpathd error messages in /var/adm/messages: No test address configured on interface <interface_name> disabling probe-based failure detection on it Test address address is not unique; disabling probe based failure detection on <interface_name> The link has gone down on <interface_name> Successfully failed over from  NIC  <interface_name1>...

3

Solaris10: San/SAS/MPXIO/STMS config files

With the release of Solaris 10 Operating System (OS), the configuration of Storage Area Network (SAN), Serial Attached SCSI (SAS) attached devices, and turning on STMS/MPXIO has changed. This Post details the new ways devices are brought into the operating system, and their configuration files. The...

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