Storage : Verify DMP health for VxDMP
This post will help to troubleshoot the DMP having following Symptoms – Path offline – Path doesn’t failover – Can’t see device path
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Storage : Verifying STMS (mpxio) Health
The steps below will help confirm that STMS is being used and both paths are seen. 1. Validate that STMS is enabled: Check that the mpxio-disable parameter is set to “no”. *Solaris[TM] 7,8,9 — check /kernel/drv/scsi_vhci.conf *Solaris[TM] 10 only — /kernel/drv/fp.conf Example: mpxio-disable=”no”; If mpxio-disable is...
NIS and Netgroups : Restricting logins on a machine using compat mode and netgroups
There’s no local files implementation of netgroups. Netgroups are used to group machines or users together in order to make certain sysadmin tasks easier. A standard netgroup triple reads as follows: (hostname, username, domainname)
Data Center Designing: Network Connectivity Standards
IF your organization looking for a solution to host it’s entire application environment in an external vendor’s data center, your organization must be considering lot many factors to define the standards of the data center. Below post describes some of the Network Connectivity standards used for...
Solaris Troubleshooting : netstat -a reports connections in the BOUND state
The BOUND state is the state a socket shows after it is created and the ‘bind()’ call is made, but none of the ‘listen()’, ‘accept()’, ‘connect()’ or ‘close()’ calls have been made. The confusion is that it is not a TCP state, it is a socket...
Solaris Troubleshooting NIS : Disabling NIS so machine can boot when network is down
It is usual problem for server to hang in middle of the boot process, when they are configured for NIS and not able to connect to the server while booting. In this case, the first thing that needs to be done is to reconfig the system...
Solaris Troubleshooting : Define a Static Route using routed
In order to do this you must create entries in the /etc/gateways file. The /etc/gateways file has the format of
Solaris 10 : Service Milestones
They provide a way to group services together. Solaris defines 3 of them (there are others) which roughly relate to the traditional Solaris runlevels: svc:/milestone/single-user >>> init S svc:/milestone/multi-user >>> init 2 svc:/milestone/multi-user-server >>> init 3 In addition, SMF has two pseudo milestones: none >>> Do...
Solaris 10 : Configuring Interprocess communication Parameters
Many system administrators, particularly those managing large database servers, have had difficulty tuning shared memory and semaphore parameters in /etc/system. Often, these difficulties are experienced before starting an application instance. The Solaris 10 Operating System addresses this issue by integrating the System V IPC tunables into...
VCS : Configure Oracle database in VCS environment
Configure an Oracle database on shared disks using the Database Configuration Assistant. You need to configure the database only once, from the node on which you installed Oracle first. If you configured ASM for Oracle database storage, configure the Oracle database on ASM disk groups.
