Shrink LVM to make new partition?

[George Toft]

Seems to me to be easier to shrink the logical volume (and its 
filesystem) and create a new logical volume on the single volume group.

George Toft, CISSP, MSIS
623-203-1760




Alan Dayley wrote:
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> I have a system with a SCSI hardware RAID 5.  It has a boot partition
> and all the rest, 34+ GB, as a single volume using LVM.  I want to
> shrink the large partition to about 6GB so I can create a separate ext3
> partition.  I have never "messed" with LVM before, preferring to leave
> them running once installed.
> 
> OS: CentOS 4.3
> HD device: /dev/c0d0
> Boot partition: /dev/c0d0p1
> LVM partition: /dev/c0d0p2
> 
> I have the CentOS 4.3 install CDs and Knoppix as boot and tool sources
> for manipulating the RAID array partitions.  The system is installed and
> working but presently has no live data on it.  I am simply trying to
> avoid a full re-install to adjust the partitions but can do that if
> recommended as easier.
> 
> The references I have found so far talk mostly about expanding LVM
> partitions, not shrinking them.  Thus, my question.
> 
> Alan
> 
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