Tanti Technology

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Multi-platform UNIX systems consultant and administrator in mutualized and virtualized environments I have 4.5+ years experience in AIX system Administration field. This site will be helpful for system administrator in their day to day activities.Your comments on posts are welcome.This blog is all about IBM AIX Unix flavour. This blog will be used by System admins who will be using AIX in their work life. It can also be used for those newbies who want to get certifications in AIX Administration. This blog will be updated frequently to help the system admins and other new learners. DISCLAIMER: Please note that blog owner takes no responsibility of any kind for any type of data loss or damage by trying any of the command/method mentioned in this blog. You may use the commands/method/scripts on your own responsibility. If you find something useful, a comment would be appreciated to let other viewers also know that the solution/method work(ed) for you.

Saturday, 19 October 2019

Create filesystem in AIX using INLINE and JFS2 log



How To create filesystem in AIX using INLINE and JFS2 log

Method 1: INLINE Log

Identify Volume group on which we going to create Logical volume "testlv".
Make sure that volume group having enough physical partition free to create logical volume(LV).

Here Volume group is datavg


 

mklv -y testlv -t jfs2 datavg

crfs -v jfs2 -d testlv -m /test -a logname=INLINE -A yes

mount /test


Method 2:
Using JFS2 log

mklv -y testlv1 -t jfs2 datavg

mklv -y testloglv -t jfs2log -a e -r n datavg 1

mount /test1

Difference between JFS2 log and INLINE
  • JFS2 log support many Filesystems.
  • every Filesystem have 1 INLINE log
  • if we have several busy Filesystem and we having JFS2log which support these FS,then there is chances of performance bottleneck, to avoid this INLINE log is good option where every filesystem can have 1 inline.

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