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>...
During the last weekend, I have noticed one of the interesting task performed by one of my collegue as part of the storage migration, i have captured the logs from his task. And the actual scenario is : In any Storage migration ( with Host Side...
Solaris Admin / Solaris11 Admin / solaris11-Howto / Unix Intermediate
by Ramdev · Published March 26, 2021
How to Modify an SMF Service Property This procedure shows how to modify the property that identifies the user that can start a service. Become an administrator Change the value that is assigned to the start/user property.First, give the FMRI to identify the appropriate service....
Linux Admin / Linux Disk Management / Linux LVM / Redhat Enterprise Linux 6 / Rhel6 Storage / Storage Configs for Unixadmin / Storage Migrations / Unix Intermediate
by Ramdev · Published March 25, 2021
In Enterprise Linux Environment, External storage often permits devices to be accessed by multiple physical paths. This improves redundancy and availability. SAN environment Red Hat Enterprise Linux provides the device-mapper-multipath component to manage multipath capable storage and to present multipath devices to applications running on the...
Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Troubleshooting
by Ramdev · Published March 24, 2021
The one problem that is vrey common in every system administrator’s life is network issue, and most of the times it will kill entire day if the root cause/symptoms were misunderstood . Below information will help you to understand some of the basic network issues...
When trying to mount an NFS file system from an NFS server, the mount fails with the error message: mount:<server>:/filesystem not responding: RPC: Program not registered
Blog for Unix Admin / Solaris Admin / Solaris Disk Management / Storage Configs for Unixadmin
by Ramdev · Published March 22, 2021
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...
The NTP service is responsible for maintaining the system time, which is highly important in any environment because so many things rely on time (logs, error messages, applications, and so on). There are a few different roles that your system can have when using NTP. They...
On Sun Fire T1000/T2000 field could replace DIMMs individually, it is not required to replece DIMMs by pair or bank.
Linux tutorials / Recent Posts / Redhat Enterprise Linux 6 / RHEL7
by Shujat Husain · Published March 19, 2021
Samba is an open source software, based on CIFS (Common Internet File System) that can run on Unix/Linux distributions & makes it possible to communicate with Windows machines. We use samba server mainly to share files & folder with windows client machine but we can also...
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