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Full Discussion: LVM resize
Operating Systems Linux Red Hat LVM resize Post 302953535 by SIva81 on Saturday 29th of August 2015 04:01:35 AM
Old 08-29-2015
LVM resize
In RHEL7
I created an LVM partition with vfat filesystem
I am unable to reduce the size

for ext4 file system i sued below commands to reduce the lvm
Code:
# umout /lvm (mount point)
# e2fsck -f /dev/vgname/lvname
# resize2fs /dev/vgname/lvname 100M (Say from 200M)
# lvreduce -L 100M /dev/vgname/lvname

I was told the above commands should work for vfat file system.
However when i perform the e2fsck command i get error related to superblocks.
I couldn't get the exact error response since i did on lab.

I need to reduce lvm for vfat filesystem.
Last edited by vbe; 08-29-2015 at 05:40 AM.. Reason: code tags please
 

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LEARN ABOUT CENTOS

pvck

PVCK(8) 						      System Manager's Manual							   PVCK(8)

NAME

       pvck - check physical volume metadata

SYNOPSIS

       pvck [-d|--debug] [-h|--help] [-v|--verbose] [--labelsector sector] PhysicalVolume [PhysicalVolume...]

DESCRIPTION

       pvck checks physical volume LVM metadata for consistency.

OPTIONS

       See lvm(8) for common options.

       --labelsector sector
	      By  default, 4 sectors of PhysicalVolume are scanned for an LVM label, starting at sector 0.  This parameter allows you to specify a
	      different starting sector for the scan and is useful for recovery situations.  For example, suppose the partition table is corrupted
	      or  lost	on /dev/sda, but you suspect there was an LVM partition at approximately 100 MiB.  This area of the disk may be scanned by
	      using the --labelsector parameter with a value of 204800 (100 * 1024 * 1024 / 512 = 204800):

	      pvck --labelsector 204800 /dev/sda

	      Note that a script can be used with --labelsector to automate the process of finding LVM labels.

SEE ALSO

       lvm(8), pvcreate(8), pvscan(8) vgck(8)

Sistina Software UK				     LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26)						   PVCK(8)
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