Volume Group Descriptor Area. It contains the information about volume group to which the physical volume belongs to. It also contains the information about physical partitions, logical partitions and logical volumes.
★ AIX is a multi-user system ★ When the user login he needs to provide the user name and password for authentication purposes. ★ After the successful login, AIX starts the SHELL program.
☆ As the user login to the AIX server, the AIX starts the SHELL program. ☆ The SHELL is a command interpreter. ☆ It takes the inputs from the users and executes it. ☆ SHELL is not only the command interpreter it also provide great flexibility to the user. ☆ SHELL not only read and execute the commands it also read the files written in the form of programs and executes them, these shell program files are known as SHELL scripts. The extension of SHELL script is .sh.
☛ Bash is the GNU shell ☛ Bash is an sh-compatible shell that incorporates useful features from the Korn shell (ksh) and C shell (csh). ☛ It is intended to conform to the IEEE POSIX P1003.2/ISO 9945.2 Shell and Tools standard. ☛ It offers functional improvements over sh for both programming and interactive uses. ☛ Interactive usage includes command line editing, unlimited size command history, job control, shell functions and aliases, indexed arrays of unlimited size, and integer arithmetic in any base from two to sixty-four. Bash can run most sh scripts without modification.
☷ sh or Bourne Shell ☷ bash or Bourne Again shell ☷ csh or C shell ☷ tcsh or Turbo C shell ☷ ksh or the Korn shell
Volume Group Status Area it contains the information about physical partition from all physical volumes of the same volume group. It contains the status of VG.
2014 11 24 10 02 Unix AIX Interview Questions by Sr Interview Panelist
Top 10 Frequently Asked IBM AIX Interview Questions
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IBM AIX Interview Questions for Freshers
Run the lsvg command on the volume group and look at the value for MAX PVs. The value is 32 for normal, 128 for big, and 1,024 for the scalable volume group.
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31. How To Enable & Disable Quorum?
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32. What Are The Types Of Error?
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33. What Are The Error Levels Severity?
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34. What Is The Command To See The Error Log?
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35. What Is The Command To Clear The Error Log?
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36. What Is The Command To Increase The Size Of Error Log When It Is Full?
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37. What Is The Command To Start , Stop, Restart And List A Demon?
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38. When Does an Error Daemon Start In Boot Process?
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39. Which File That Error Daemon Stay?
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40. Two States Of Device Availability And Explain Them?
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Available state and defined state. When a device is in a defined state it means it cannot be used. Not in a ready state. Run cfgmgr try to make it available in the system that device. Available state means that device is ready to use
It displays which disks are available
41. How Will You Check Whether A Device Is Installed Or Not?
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42. How To Change A 64 Bit Kernel To 32 Bit Kernel?
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The path name of the 64-bit kernel is /usr/lib/boot/unix_64, and the path name of the multiprocessor versions of the 32-bit kernel is
43. How To Change A 32 Bit Kernel To 64 Bit Kernel?
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To truly change the kernel to 64-bit from 32-bit, the system must be at the AIX® 5.1 or AIX 5.2levels.
To truly change the kernel to 64-bit from 32-bit, the system must be at the AIX® 5.1 or AIX 5.2levels.
To change to a 64-bit kernel, enter the following commands:
44. How Many Vgs Can Be Created In A Lvm?
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255 any no. of vg can create.
45. Types Of Vg & Explain About Them?
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Normal vg -32 pv, 256 lv
Big vg :- 128pv,512lv
Scalable vg: -1024pv, 4096 lv
46. How To Convert A Normal Vg To Big & Scalable Vg And Also Big To Scalable Vg?
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47. What Is Vgda, Vgsa?
Ans:
VGDA: Volume Group Descriptor Area. It contains the information about the volume group to which the physical volume belongs to. It also contains the information about physical partitions, logical partitions and logical volumes.
VGSA: Volume Group Status Area contains the information about physical partitions from all physical volumes of the same volume group. It contains the status of VG.
48. What Are The Two States Of Installation?
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Applied and commit state:
49. How Will You Reject A Committed Fileset?
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50. How Will You Check Whether Software Is Installed Or Not?
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Volume Group Descriptor Area. It contains the information about volume group to which the physical volume belongs to. It also contains the information about physical partitions, logical partitions and logical volumes.
☷ sh or Bourne Shell ☷ bash or Bourne Again shell ☷ csh or C shell ☷ tcsh or Turbo C shell ☷ ksh or the Korn shell
Volume Group Status Area it contains the information about physical partition from all physical volumes of the same volume group. It contains the status of VG.
☆ As the user login to the AIX server, the AIX starts the SHELL program. ☆ The SHELL is a command interpreter. ☆ It takes the inputs from the users and executes it. ☆ SHELL is not only the command interpreter it also provide great flexibility to the user. ☆ SHELL not only read and execute the commands it also read the files written in the form of programs and executes them, these shell program files are known as SHELL scripts. The extension of SHELL script is .sh.
★ AIX is a multi-user system ★ When the user login he needs to provide the user name and password for authentication purposes. ★ After the successful login, AIX starts the SHELL program.
FAQ
What is an AIX system?
What is the use of AIX?
