What's Happening Part - I (HPUX LVM 2.x)

Starting a new thread which will talk about the new technology changes:

Abstract from http://docs.hp.com/en/lvm-v2/L2_whitepaper_8.pdf



Introduction of HPUX LVM 2.x
The 2.0 volume groups became available with the March 2008 release of HP-UX 11i v3 (11.31) and the 2.1 volume groups with the 11i v3 2008 September release. Prior to the March 2008 release, only version 1.0 volume groups were available.



Notable Difference(s)/Enhancement(s):

1)Automatic creation of the volume group directory and group file is available starting with the March 2008 release of HP-UX 11i. It is available for 1.0 and 2.x volume groups

2) No. Of mirror Copies increased from 2 to 5 in LVM 2.x

3) You can have /etc/lvmtab and /etc/lvmtab_p

4) New Command : lvmadm ,

5) Boot, dump and primary swap not supported on 2.x resulting 2.x volume group cannot be used to save crashdumps.

6) Bad blocks not supported on 2.x

7) Commands not supported on 2.x volume groups :

vgmodify (1M), lvrmboot(1M), lvlnboot(1M), pvck(1M)