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Top Forums UNIX for Dummies Questions & Answers File System and Storage Array Confusion Post 302895580 by npandith on Tuesday 1st of April 2014 11:17:16 AM
Old 04-01-2014
From the above outputs, looks like dm-7 is not for any of your file systems.

mpathb (3600508b4000d3f600000600006430000) dm-7 HP,HSV450
[size=40G][features=1 queue_if_no_path][hwhandler=0]

mpatha (3600508b4000d3f600000600006d30000) dm-6 HP,HSV450
[size=11G][features=1 queue_if_no_path][hwhandler=0]

dm-6 is used by
Code:
/dev/mapper/vg02-lv00
                      9.9G  1.1G  8.9G  11% /oracle

pvs
Code:
PV                VG   Fmt  Attr PSize   PFree
/dev/dm-6     vg02 lvm2 a-    11.00G 1020.00M


vgs
Code:
VG   #PV #LV #SN Attr   VSize   VFree
vg02   2   1   0 wz--n-  21.99G 11.99G

lvs
Code:
 LV          VG   Attr   LSize   Origin Snap%  Move Log Copy%
 lv00        vg02 -wi-ao  10.00G

Note that, you VG vg02 has 2 disks (dm-6 and dm-8), dm-8 is not used at all and not added to any volume but these 2 are from different arrays.
 

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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)
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