How do I create a logical volume in AIX?

How do I create a logical volume in AIX?

After you create a volume group, you can create logical volumes within that volume group….Creating a new log logical volume:

1. mklv -t jfs2log -y lvname vgname 1 pvname <– creates the log lv.
2. logform -V jfs2 /dev/lvname.
3. chfs -a log=/dev/lvname /fsname <–changes the log lv (it can be checked in /etc/filesystems)

How do I change my runlevel in AIX?

Changing Run Levels on Single-User Systems

1. Check the /etc/inittab file to confirm that the run level to which you are changing supports the processes that you are running.
2. Use the smit telinit fast path to access the Set System Run Level menu.
3. Enter the new system run level in the System RUN LEVEL field.

Where is .profile in AIX?

profile file is present in your home ($HOME) directory and lets you customize your individual working environment. Because the . profile file is hidden, use the ls -a command to list it.

What is logical volume in AIX?

Logical volumes are groups of information located on physical volumes. A hierarchy of structures is used to manage disk storage. Each individual disk drive, called a physical volume (PV) has a name, such as /dev/hdisk0. Every physical volume in use belongs to a volume group (VG).

What is VGSA in AIX?

VGSA (Volume Group Status Area) The VGSA contains state information about physical partitions and physical volumes. For example, the VGSA knows if one physical volume in a volume group is unavailable and the state of all physical partitions in the volume group.

What are runlevels in AIX?

The system run level specifies the system state and defines which processes are started. The /etc/inittab file contains a record for each process that defines run levels for that process. When the system boots, the init command reads the /etc/inittab file to determine which processes to start.

What is the default run level in AIX?

In AIX, there are 10 run levels from 0 to 9. 0 and 1 is reserved run levels. 2 is default run level.

How do I run a .profile file?

To manually run a PROFILE file, use the command source ~/. profile. (Apple Terminal is a Bash shell program.) PROFILE files are hidden files that do not have a filename prefix.

How do I edit a .profile file in Unix?

You have two options for editing the file.

1. Visit your home directory, and press CTRL H to show hidden files, find . profile and open it with your text editor and make the changes.
2. Use the terminal and the inbuilt command-line file editor (called nano). Open Terminal (I think CTRL Alt T works as a shortcut)

How do I manage the AIX LPAR?

Log on to the AIX LPAR and run the following command: Note that on older releases of AIX, the command used to be lsrsrc IBM.ManagementServer instead of IBM.MCP. You can see from the output of the lsrsrc command that this LPAR is managed by two HMCs and you should be able to log on to either one of them to manage the AIX LPAR.

How does Aix handle LPD file formats?

With normal processing, the filename is passed to the AIX lpr program ( rembak ), which sends the file to the remote lpd server without making any changes or additions to the file. When setting up a remote queue with local formatting, the backend program is /usr/lib/lpd/pio/etc/piorlfb.

What are the top 18 Aix performance commands?

18 Top AIX Performance Commands 1) fcstat:. Output similar to the following is displayed. Note: The output format of various AIX commands is not always… 2) filemon:. Monitors the performance of the file system, and reports the I/O activity on behalf of logical files,… 3) fileplace:. This example

How do I use confconfirm Aix PCM with lsmpio?

Confirm AIX PCM is in control i.e. output from lsmpio. Type or select values in entry fields. Press Enter AFTER making all desired changes. One or more of the selected filesets will cause a bosboot to be performed. The bosboot command will rebuild the boot image.

https://www.youtube.com/watch?v=wJ5JsEu31q8