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jcnars/u01 u02 LVM

Created November 24, 2021 06:44
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u01 u02 LVM
[root@linuxserver44 /]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
sw db -wi-a----- <160.01g
homelv rootvg -wi-ao---- 20.00g
optlv rootvg -wi-ao---- 20.00g
rootlv rootvg -wi-ao---- 8.00g
swaplv rootvg -wi-ao---- 16.00g
tmplv rootvg -wi-ao---- 5.00g
varlv rootvg -wi-ao---- 4.00g
u01 sw -wi-a----- 400.00m
[root@linuxserver44 /]# vgs
VG #PV #LV #SN Attr VSize VFree
db 1 1 0 wz--n- <160.01g 0
rootvg 1 6 0 wz--n- 198.78g 125.78g
sw 2 1 0 wz--n- <160.01g <159.62g
[root@linuxserver44 /]# lvremove df -h /u0*
lvremove - Remove logical volume(s) from the system
lvremove VG|LV|Tag|Select ...
[ -A|--autobackup y|n ]
[ -f|--force ]
[ -S|--select String ]
[ --nohistory ]
[ --noudevsync ]
[ --reportformat basic|json ]
[ COMMON_OPTIONS ]
Common options for lvm:
[ -d|--debug ]
[ -h|--help ]
[ -q|--quiet ]
[ -v|--verbose ]
[ -y|--yes ]
[ -t|--test ]
[ --commandprofile String ]
[ --config String ]
[ --driverloaded y|n ]
[ --lockopt String ]
[ --longhelp ]
[ --profile String ]
[ --version ]
Use --longhelp to show all options and advanced commands.
[root@linuxserver44 /]# f -h /u0*
-bash: f: command not found
[root@linuxserver44 /]# df -h /u0*
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rootvg-rootlv 8.0G 2.9G 5.2G 36% /
[root@linuxserver44 /]# df -h /u01
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rootvg-rootlv 8.0G 2.9G 5.2G 36% /
[root@linuxserver44 /]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
sw db -wi-a----- <160.01g
homelv rootvg -wi-ao---- 20.00g
optlv rootvg -wi-ao---- 20.00g
rootlv rootvg -wi-ao---- 8.00g
swaplv rootvg -wi-ao---- 16.00g
tmplv rootvg -wi-ao---- 5.00g
varlv rootvg -wi-ao---- 4.00g
u01 sw -wi-a----- 400.00m
[root@linuxserver44 /]# lvremove u01
Volume group "u01" not found
Cannot process volume group u01
[root@linuxserver44 /]# mount /u01
[root@linuxserver44 /]# df -h /u0*
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/sw-u01 394M 21M 374M 6% /u01
[root@linuxserver44 /]# umount /u01
[root@linuxserver44 /]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
sw db -wi-a----- <160.01g
homelv rootvg -wi-ao---- 20.00g
optlv rootvg -wi-ao---- 20.00g
rootlv rootvg -wi-ao---- 8.00g
swaplv rootvg -wi-ao---- 16.00g
tmplv rootvg -wi-ao---- 5.00g
varlv rootvg -wi-ao---- 4.00g
u01 sw -wi-a----- 400.00m
[root@linuxserver44 /]# ll /dev/mapper/*u01*
lrwxrwxrwx 1 root root 8 Nov 23 22:26 /dev/mapper/sw-u01 -> ../dm-70
-rw-r--r-- 1 root root 104857600 Feb 3 2021 /dev/mapper/sw-u011
[root@linuxserver44 /]# lsof|grep dm-70
[root@linuxserver44 /]# lsof|grep dm-70
[root@linuxserver44 /]# !dmsetup
dmsetup info -c | grep u01
sw-u01 253 70 L--w 0 1 0 LVM-7fcfY2lqgVZnRrtcqa322ywUYHN2LnPJ0Zz7GhRHbu18axwqZDkpxkn3cG8xI2F1
[root@linuxserver44 /]# lsof | grep "253,70"
[root@linuxserver44 /]# lvscan
ACTIVE '/dev/sw/u01' [400.00 MiB] inherit
ACTIVE '/dev/db/sw' [<160.01 GiB] inherit
ACTIVE '/dev/rootvg/swaplv' [16.00 GiB] inherit
ACTIVE '/dev/rootvg/optlv' [20.00 GiB] inherit
ACTIVE '/dev/rootvg/varlv' [4.00 GiB] inherit
ACTIVE '/dev/rootvg/homelv' [20.00 GiB] inherit
ACTIVE '/dev/rootvg/tmplv' [5.00 GiB] inherit
ACTIVE '/dev/rootvg/rootlv' [8.00 GiB] inherit
[root@linuxserver44 /]# lsof /dev/sw/u01
[root@linuxserver44 /]# lvremove /dev/sw/u01
Do you really want to remove active logical volume sw/u01? [y/n]: y
Logical volume "u01" successfully removed
[root@linuxserver44 /]# vgscan
Reading volume groups from cache.
Found volume group "sw" using metadata type lvm2
Found volume group "db" using metadata type lvm2
Found volume group "rootvg" using metadata type lvm2
[root@linuxserver44 /]# vgdisplay
--- Volume group ---
VG Name sw
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 9
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 2
Act PV 2
VG Size <160.01 GiB
PE Size 4.00 MiB
Total PE 40962
Alloc PE / Size 0 / 0
Free PE / Size 40962 / <160.01 GiB
VG UUID 7fcfY2-lqgV-ZnRr-tcqa-322y-wUYH-N2LnPJ
--- Volume group ---
VG Name db
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size <160.01 GiB
PE Size 4.00 MiB
Total PE 40962
Alloc PE / Size 40962 / <160.01 GiB
Free PE / Size 0 / 0
VG UUID E9irgr-adpP-b2jf-5bB3-adY4-awYl-Ev1UXi
--- Volume group ---
VG Name rootvg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 10
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 6
Open LV 6
Max PV 0
Cur PV 1
Act PV 1
VG Size 198.78 GiB
PE Size 32.00 MiB
Total PE 6361
Alloc PE / Size 2336 / 73.00 GiB
Free PE / Size 4025 / 125.78 GiB
VG UUID UKI1Xi-9cBf-v5Uh-cSCT-TYC4-x9HZ-J0v8CO
[root@linuxserver44 /]# lvcreate -L 60G -n u01 sw
WARNING: xfs signature detected on /dev/sw/u01 at offset 0. Wipe it? [y/n]: y
Wiping xfs signature on /dev/sw/u01.
Logical volume "u01" created.
[root@linuxserver44 /]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
sw db -wi-a----- <160.01g
homelv rootvg -wi-ao---- 20.00g
optlv rootvg -wi-ao---- 20.00g
rootlv rootvg -wi-ao---- 8.00g
swaplv rootvg -wi-ao---- 16.00g
tmplv rootvg -wi-ao---- 5.00g
varlv rootvg -wi-ao---- 4.00g
u01 sw -wi-ao---- 60.00g
[root@linuxserver44 /]# lvcreate -L 20G -n u02 sw
Logical volume "u02" created.
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