IBM AIX interview questions on LVM, migration and upgrade


Below are some of the latest AIX Interview questions asked by IBM. These are L1 and L2 AIX Interview Questions. Questions covers basic AIX Administration topics like Logical Volume manager, Networking issues, AIX booting, Security settings, migration and up-gradation  topics. Please prepare your own answers, hope it helps..............

Basic L1 and L2 AIX Interview Questions

  • How will you convert the jfs filesystem to jfs2 filesystem?
  • What procedure do you follow while migration?
  • Nimadm consist of how many steps?
  • What is difference between Etherchannel and link aggregation?
  • In Ethernet channel one switch goes bad, what happens?
  • In Link aggregation one adapter goes bad, what happens?
  • Where you can find user limits?
  • How to know Ethernet adapter is 2 port or 4 port?
  • When user login first time what are the files should be updated?
  • How to delete the datavg already we have a backup?
  • What are the prerequisites for client while doing  migration by using nimadm? 
  • While increasing the filesystem its throws an error , What are the possible reasons?
  • Normal vg creation command?
  • What is quorum?
  • Vg contents what like vgda?
Also Read: Storage Area Network (SAN) Basic Free Tutorials
  • How to see the IP address of the server?
  • If you run ifconfig command can you see the subnetmask ?
  • What is uid and gid?
  • Lv name consist how many max characters?
  • While doing ftp its not allowing more than 3GB, what might be the reason?
  • How to change the fsize of the user?
  • If in vg first pv is failed, if we reboot the server, it will boot or not, in case of mirrored vg?
  • TL upgrade? 
  • Is downtime is required to update TL? 
  • Have you done migration in your environment? 
  • What are the pre-cautions have to take before migration?
  • After migration how do you know migration is successful or not?
  • How do you know backup will work or not which was taken before migration ?
  • If you Auto mount file,  which file read ?
  • How to set password never expire ?
  • How will rename your datavgname ?
  • One file system mounted in nfs one client can read another cant write anything, what is the reason ?
  • What is the configuration file for paging device. ?
  • What is Aduit file and location ?
  • How to activate the paging. ?
  • What is sysdump. ?
  • How do you configure the primary dump. ?
  • How you delete the sysdump. ?
  • What is the meaning histsize,account_locked,rlogin attribute in /etc/security/user? 
  • If maxage=13, how long the user can user the passwd? 
  • What is mean by wwpn number? how will u see that? 
  • Differnce b/w etherchannel and link aggregation? 
  • Once TL Upgradation completed and if it is not the expected level means what will u do? 
  • Diference b/w normal vg ,big vg ,scallable vg? 
  • LVM structure? 
  • How to create the filesystems?how will u proceed? 
  • lv types? 
  • You have one BIG vg..which having 1016 pv. You trying to add one more pv, is it possible to add one more pv?
  • How will you create user?
  • Stanza for /etc/passwd? and will it contain?
  • Stanza for /etc/security/password?
  • How will create normal vg and many pv"s having normal vg?
  • How many types of vg's?
  • Is it require downtime to change normal to scalable vg and what will u do?
  • How will you see mac address?
  • Have you done TL upgradation before, tell me the perquisites ?
  • How many types of lv's are there in aix?
  • how types of vg's in aix?
  • How many pv's having scalable vg?
  • How will you change pp size in vg and how will do this activity?
  • Why are  you using dump device?
  • How will you convert normal vg to big vg ?
  • How will you conform a vg is normal or big vg and scalable vg?
  • What is the significance of t-factor?
  • How will you unmirror rootvg?
  • How will you reduce pv in the vg?
  • How many types of vg’s are there?
  • How many types of vg’s are there?
  • What is the max filesystem size of jfs?
  • How will you change the limits?
  • Tell about /etc/passwd and /etc/security/passwd?
  • How to clear the boot record of pv?
  • How will you set the boot record?
  • How will you see the boot device?
  • How will you see the bootlist order?




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