topic Re: Formating a file system with largefiles support in Operating System - HP-UX

Formating a file system with largefiles support

senthil_kumar_1 — Mon, 23 Jan 2012 14:24:19 GMT

Hi All,

The following is used to format a file system with largefiles support...

#mkfs -F vxfs -o version=4,largefiles /dev/vg01/rlvol1

My Questions:

1)What is the purpose of largefiles option?

2)What is the issue If we are not formating with largefiles option?

3)What version=4 means?

4)What are the other versions available?

Re: Formating a file system with largefiles support

Patrick Wallek — Mon, 23 Jan 2012 15:22:58 GMT

1) To allow creation of files larger than 2GB.

2) You can't create files larger than 2 GB.

3) That is the VxFS file system version

4) It depends on your operating system and version of VxFS installed.

Re: Formating a file system with largefiles support

Patrick Wallek — Mon, 23 Jan 2012 15:52:22 GMT

From the mkfs_vxfs man page on an 11.31 system:

version=n
n is the VxFS disk layout version number. Valid values are 4, 5, 6, and 7. The Version 7 disk layout supports file systems up to 256 terabytes in size. Version 6 and 7 disk layouts support file systems up to 256 terabytes in size, although file systems currently cannot be created with a size of 8 exabytes. The default is disk layout Version 7.