01-21-2010
my question here is which command I should use to get information like permissions,freeSpace, usedSpace, segmentCount, allocationType, readAheadSectors,blockDevice, isOpen etc. for volumes...i m not able to get using metastat.
I am not using real machine, its not relevant for me if its virtual or physical.
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LEARN ABOUT CENTOS
pvchange
PVCHANGE(8) System Manager's Manual PVCHANGE(8)
NAME
pvchange - change attributes of a physical volume
SYNOPSIS
pvchange [--addtag Tag] [-A|--autobackup {y|n}] [-d|--debug] [-f|--force] [--deltag Tag] [--metadataignore {y|n}] [-h|-?|--help]
[-t|--test] [-v|--verbose] [-a|--all] [-x|--allocatable {y|n}] [-u|--uuid] [PhysicalVolumePath...]
DESCRIPTION
pvchange allows you to change the allocation permissions of one or more physical volumes.
OPTIONS
See lvm(8) for common options.
-a, --all
If PhysicalVolumePath is not specified on the command line all physical volumes are searched for and used.
--metadataignore {y|n}
Ignore or un-ignore metadata areas on this physical volume. If metadata areas on a physical volume are ignored, LVM will not not
store metadata in the metadata areas present on this Physical Volume.
-u, --uuid
Generate new random UUID for specified physical volumes.
-x, --allocatable {y|n}
Enable or disable allocation of physical extents on this physical volume.
Example
Disallows the allocation of physical extents on this physical volume (possibly because of disk errors, or because it will be removed after
freeing it:
pvchange -x n /dev/sdk1
SEE ALSO
lvm(8), pvcreate(8)
Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) PVCHANGE(8)