[root@localhost ~]# pvcreate \/dev\/sdb \/dev\/sdc \/dev\/sdd
\nPhysical volume “\/dev\/sdb” successfully created
\nPhysical volume “\/dev\/sdc” successfully created
\nPhysical volume “\/dev\/sdd” successfully created<\/p>\n
\npvs
\n[root@localhost ~]# pvs
\nPV VG Fmt Attr PSize PFree
\n\/dev\/sda2 rhel lvm2 a– 39.51g 0
\n\/dev\/sdb lvm2 a– 20.00g 20.00g
\n\/dev\/sdc lvm2 a– 20.00g 20.00g
\n\/dev\/sdd lvm2 a– 20.00g 20.00g<\/p>\n
<\/p>\n
<\/p>\n
vgcreate backupvg \/dev\/sdb
\n[root@localhost ~]# vgcreate backupvg \/dev\/sdb
\nVolume group “backupvg” successfully created<\/p>\n
<\/p>\n
vgs<\/p>\n
[root@localhost ~]# vgs
\nVG #PV #LV #SN Attr VSize VFree
\nbackupvg 1 0 0 wz–n- 20.00g 20.00g
\nrhel 1 2 0 wz–n- 39.51g 0<\/p>\n
<\/p>\n
lvcreate -n lv_optback -L +5G backupvg<\/p>\n
[root@localhost ~]# lvcreate -n lv_optback -L +5G backupvg
\nLogical volume “lv_optback” created<\/p>\n
\nlvcreate -n lv_varback -L +5G backupvg<\/p>\n
[root@localhost ~]# lvcreate -n lv_varback -L +5G backupvg
\nLogical volume “lv_varback” created
\n[root@localhost ~]# mkfs.xfs \/dev\/backupvg\/lv_optback
\nmeta-data=\/dev\/backupvg\/lv_optback isize=256 agcount=4, agsize=327680 blks
\n= sectsz=512 attr=2, projid32bit=1
\n= crc=0
\ndata = bsize=4096 blocks=1310720, imaxpct=25
\n= sunit=0 swidth=0 blks
\nnaming =version 2 bsize=4096 ascii-ci=0
\nlog =internal log bsize=4096 blocks=12800, version=2
\n= sectsz=512 sunit=0 blks, lazy-count=1
\nrealtime =none extsz=4096 blocks=0, rtextents=0<\/p>\n
<\/p>\n
[root@localhost ~]# mkdir \/optback
\nroot@localhost ~]# mount \/dev\/backupvg\/lv_optback \/optback\/
\n[root@localhost ~]# df -TH
\nFilesystem Type Size Used Avail Use% Mounted on
\n\/dev\/mapper\/rhel-root xfs 39G 4.1G 35G 11% \/
\ndevtmpfs devtmpfs 4.2G 0 4.2G 0% \/dev
\ntmpfs tmpfs 4.2G 95k 4.2G 1% \/dev\/shm
\ntmpfs tmpfs 4.2G 39M 4.1G 1% \/run
\ntmpfs tmpfs 4.2G 0 4.2G 0% \/sys\/fs\/cgroup
\n\/dev\/sda1 xfs 507M 109M 398M 22% \/boot
\n\/dev\/mapper\/backupvg-lv_optback xfs 5.4G 34M 5.3G 1% \/optback<\/p>\n
<\/p>\n
[root@localhost ~]# lvextend -L +2G \/dev\/backupvg\/lv_optback
\nExtending logical volume lv_optback to 7.00 GiB
\nLogical volume lv_optback successfully resized<\/p>\n
<\/p>\n
root@localhost ~]# xfs_growfs \/optback
\nmeta-data=\/dev\/mapper\/backupvg-lv_optback isize=256 agcount=4, agsize=327680 blks
\n= sectsz=512 attr=2, projid32bit=1
\n= crc=0
\ndata = bsize=4096 blocks=1310720, imaxpct=25
\n= sunit=0 swidth=0 blks
\nnaming =version 2 bsize=4096 ascii-ci=0
\nlog =internal bsize=4096 blocks=12800, version=2
\n= sectsz=512 sunit=0 blks, lazy-count=1
\nrealtime =none extsz=4096 blocks=0, rtextents=0
\ndata blocks changed from 1310720 to 1835008<\/p>\n
<\/p>\n
[root@localhost ~]# df -h
\nFilesystem Size Used Avail Use% Mounted on
\n\/dev\/mapper\/rhel-root 36G 3.8G 32G 11% \/
\ndevtmpfs 3.9G 0 3.9G 0% \/dev
\ntmpfs 3.9G 92K 3.9G 1% \/dev\/shm
\ntmpfs 3.9G 38M 3.8G 1% \/run
\ntmpfs 3.9G 0 3.9G 0% \/sys\/fs\/cgroup
\n\/dev\/sda1 484M 104M 380M 22% \/boot
\n\/dev\/mapper\/backupvg-lv_optback 7.0G 33M 7.0G 1% \/optback<\/p>\n","protected":false},"excerpt":{"rendered":"
[root@localhost ~]# pvcreate \/dev\/sdb \/dev\/sdc \/dev\/sdd Physical volume “\/dev\/sdb” successfully created Physical volume “\/dev\/sdc” successfully created Physical volume “\/dev\/sdd” successfully created<\/p>\n
pvs [root@localhost ~]# pvs PV VG Fmt Attr PSize PFree \/dev\/sda2 rhel lvm2 a– 39.51g 0 \/dev\/sdb lvm2 a– 20.00g 20.00g \/dev\/sdc lvm2 a– 20.00g 20.00g \/dev\/sdd lvm2 a– 20.00g 20.00g<\/p>\n
<\/p>\n
<\/p>\n
[…]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/2914"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2914"}],"version-history":[{"count":2,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/2914\/revisions"}],"predecessor-version":[{"id":2916,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/2914\/revisions\/2916"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}