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Archive for the ‘Solaris’ Category

How to build VxFS file System

May 26th, 2010 No comments

Veritas File System VxFS is a journaling filesystem with performance advantage over UFS.  VxFS is really a savior when you want to build large files system quickly.  Here is the commands to build VxFS

Building a VxFS Filesystem:

#/usr/lib/fs/vxfs/mkfs -F vxfs -o largefiles /dev/vx/rdsk/mydg/myvol01

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How to delete volume from Veritas

May 24th, 2010 No comments

Problem when trying to delete the volumes under the Veritas volume manager? Assume there is no file system in the volume. First thing make sure the volume is not open and mounted by any file system and try running,

# vxinfo -g <disk_group>

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What is load average?

May 17th, 2010 No comments

The “load average” of the UNIX system is the average number of processes assigned to the specified processor set that are in the system run queue, averaged over various periods of time.

For example, your UNIX system may have 100 processes in the process table, but at a given moment, 98 of them may be “sleeping”, such as a web server which just “sleeps” while waiting for a web browser to connect to it.

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Categories: Solaris, Unix Tags:

How to Mount a New File System in Solaris

May 8th, 2010 No comments

To add a new disk to the system, prepare the disk to hold a file system, and mount the file system, perform these general steps:

  1. Set up the disk hardware, which might include setting address switches and connecting cables.
  2. Perform a reconfiguration boot or run the devfsadm utility to add support for the new disk.
  3. Use the format utility to partition the disk into one or more slices.
  4. Create a new file system on one slice by using the newfs command.
  5. Create a mount point for the file system by using the mkdir command to create a new directory in the / (root) file system.
  6.  Read more...

Video: Solaris 10- The most advanced Operating System

April 3rd, 2010 3 comments

Just see the Solaris 10 video ad from Sun( now part of Oracle).  Well crafted video. Watch.

Categories: Solaris Tags:

What is uadmin

March 30th, 2010 No comments

In Solaris there are times you may need to jump into ok prompt. You can do this while booting by pressing CTRL + A , but when you are in Solaris shell you can do it by using uadmin command . Here are the all the options of uadmin

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Categories: Solaris Tags: ,

How to update Open Boot PROM for Sun SPARC Servers

March 30th, 2010 7 comments

All Sun Servers and workstations have resident boot PROM firmware (called OBP) that provides basic hardware testing and initialization prior to booting. The boot PROM also enables you to boot from a wide range of devices. The boot PROM firmware controls the operation of the system before the OS has been booted and the kernel is available.Before updating we should know what is the existing OBP revision. Read more…