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[test ~]$ sudo -i vgs

  VG       #PV #LV #SN Attr   VSize   VFree    VolGroup   2   6   0 wz--n- 199.00g 69.00g [test ~]$ sudo -i lvs   LV   VG       Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert   app  VolGroup -wi-ao---- 40.00g                                                       home VolGroup -wi-ao---- 10.00g                                                       opt  VolGroup -wi-ao---- 40.00g                                                       root VolGroup -wi-ao---- 20.00g                                                       tmp  VolGroup -wi-ao---- 10.00g                                                       var  VolGroup -wi-ao---- 10.00g                                                     [test ~]$ sudo mount sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) devtmpfs on /dev type devtmpfs (rw,nosuid,size=32880856k,nr_inodes=8220214,mode=755) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd) pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_prio,net_cls) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) configfs on /sys/kernel/config type configfs (rw,relatime) /dev/mapper/VolGroup-root on / type xfs (rw,relatime,attr2,inode64,noquota) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=26,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=20607) mqueue on /dev/mqueue type mqueue (rw,relatime) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime) debugfs on /sys/kernel/debug type debugfs (rw,relatime) nfsd on /proc/fs/nfsd type nfsd (rw,relatime) /dev/mapper/VolGroup-app on /app type xfs (rw,relatime,attr2,inode64,noquota) /dev/mapper/VolGroup-tmp on /tmp type xfs (rw,relatime,attr2,inode64,noquota) /dev/mapper/VolGroup-opt on /opt type xfs (rw,relatime,attr2,inode64,noquota) /dev/mapper/VolGroup-home on /home type xfs (rw,relatime,attr2,inode64,noquota) /dev/sda1 on /boot type xfs (rw,relatime,attr2,inode64,noquota) /dev/mapper/VolGroup-var on /var type xfs (rw,relatime,attr2,inode64,noquota) sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime) tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=6579352k,mode=700) gvfsd-fuse on /run/user/0/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=0,group_id=0) fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime) tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=6579352k,mode=700,uid=1000,gid=1000) [test ~]$ sudo vgdisplay   --- Volume group ---   VG Name               VolGroup   System ID                Format                lvm2   Metadata Areas        2   Metadata Sequence No  8   VG Access             read/write   VG Status             resizable   MAX LV                0   Cur LV                6   Open LV               6   Max PV                0   Cur PV                2   Act PV                2   VG Size               199.00 GiB   PE Size               4.00 MiB   Total PE              50945   Alloc PE / Size       33280 / 130.00 GiB   Free  PE / Size       17665 / 69.00 GiB   VG UUID               A8P2MF-DxeQ-t4Hr-TcDp-SsDG-3E7G-rl11fV     [test ~]$ sudo vgdisplay|grep Free   Free  PE / Size       17665 / 69.00 GiB [test ~]$ cat /etc/redhat-release  CentOS Linux release 7.4.1708 (Core)  [test ~]$ sudo lvdisplay|grep app   LV Path                /dev/VolGroup/app   LV Name                app [test ~]$ sudo lvextend -l +17665 /dev/VolGroup/app   Size of logical volume VolGroup/app changed from 40.00 GiB (10240 extents) to 109.00 GiB (27905 extents).   Logical volume VolGroup/app successfully resized. [test ~]$ sudo xfs_growfs /dev/VolGroup/app meta-data=/dev/mapper/VolGroup-app isize=512    agcount=4, agsize=2621440 blks          =                       sectsz=512   attr=2, projid32bit=1          =                       crc=1        finobt=0 spinodes=0 data     =                       bsize=4096   blocks=10485760, imaxpct=25          =                       sunit=0      swidth=0 blks naming   =version 2              bsize=4096   ascii-ci=0 ftype=1 log      =internal               bsize=4096   blocks=5120, version=2          =                       sectsz=512   sunit=0 blks, lazy-count=1 realtime =none                   extsz=4096   blocks=0, rtextents=0 data blocks changed from 10485760 to 28574720 [test ~]$ df -h Filesystem                 Size  Used Avail Use% Mounted on /dev/mapper/VolGroup-root   20G  3.7G   17G  19% / devtmpfs                    32G     0   32G   0% /dev tmpfs                       32G     0   32G   0% /dev/shm tmpfs                       32G  8.9M   32G   1% /run tmpfs                       32G     0   32G   0% /sys/fs/cgroup /dev/mapper/VolGroup-app   109G   33M  109G   1% /app /dev/mapper/VolGroup-tmp    10G   34M   10G   1% /tmp /dev/mapper/VolGroup-opt    40G   33M   40G   1% /opt /dev/mapper/VolGroup-home   10G   33M   10G   1% /home /dev/sda1                 1011M  179M  833M  18% /boot /dev/mapper/VolGroup-var    10G 1022M  9.0G  10% /var tmpfs                      6.3G   32K  6.3G   1% /run/user/0 tmpfs                      6.3G     0  6.3G   0% /run/user/1000 [test ~]$ sudo fdisk -l

Disk /dev/sda: 214.7 GB, 214748364800 bytes, 419430400 sectors

Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x000205de

   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *        2048     2078719     1038336   83  Linux /dev/sda2         2078720   274724863   136323072   8e  Linux LVM /dev/sda3       274724864   419430399    72352768   8e  Linux LVM

Disk /dev/mapper/VolGroup-root: 21.5 GB, 21474836480 bytes, 41943040 sectors

Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/VolGroup-opt: 42.9 GB, 42949672960 bytes, 83886080 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/VolGroup-app: 117.0 GB, 117042053120 bytes, 228597760 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/VolGroup-home: 10.7 GB, 10737418240 bytes, 20971520 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/VolGroup-var: 10.7 GB, 10737418240 bytes, 20971520 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/mapper/VolGroup-tmp: 10.7 GB, 10737418240 bytes, 20971520 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/sdb: 859.0 GB, 858993459200 bytes, 1677721600 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes

[test ~]$ sudo pvcreate /dev/sdb

  Physical volume "/dev/sdb" successfully created. [test ~]$ sudo vgcreate sftp /dev/sdb   Volume group "sftp" successfully created [test ~]$ sudo vgdisplay|more   --- Volume group ---   VG Name               sftp   System ID                Format                lvm2   Metadata Areas        1   Metadata Sequence No  1   VG Access             read/write   VG Status             resizable   MAX LV                0   Cur LV                0   Open LV               0   Max PV                0   Cur PV                1   Act PV                1   VG Size               <800.00 GiB   PE Size               4.00 MiB   Total PE              204799   Alloc PE / Size       0 / 0      Free  PE / Size       204799 / <800.00 GiB   VG UUID               pOzQct-gkel-R0zz-pAZF-wDoE-ccbU-3sLTd3       --- Volume group ---   VG Name               VolGroup   System ID                Format                lvm2   Metadata Areas        2   Metadata Sequence No  9   VG Access             read/write   VG Status             resizable   MAX LV                0   Cur LV                6   Open LV               6   Max PV                0   Cur PV                2   Act PV                2   VG Size               199.00 GiB   PE Size               4.00 MiB   Total PE              50945   Alloc PE / Size       50945 / 199.00 GiB   Free  PE / Size       0 / 0      VG UUID               A8P2MF-DxeQ-t4Hr-TcDp-SsDG-3E7G-rl11fV     [test ~]$ sudo lvcreate -n lv_sftp -l 204799 sftp   Logical volume "lv_sftp" created. [test ~]$ sudo lvdisplay|grep ftp   LV Path                /dev/sftp/lv_sftp   LV Name                lv_sftp   VG Name                sftp [test ~]$ sudo mkfs.xfs /dev/sftp/lv_sftp meta-data=/dev/sftp/lv_sftp      isize=512    agcount=4, agsize=52428544 blks          =                       sectsz=512   attr=2, projid32bit=1          =                       crc=1        finobt=0, sparse=0 data     =                       bsize=4096   blocks=209714176, imaxpct=25          =                       sunit=0      swidth=0 blks naming   =version 2              bsize=4096   ascii-ci=0 ftype=1 log      =internal log           bsize=4096   blocks=102399, version=2          =                       sectsz=512   sunit=0 blks, lazy-count=1 realtime =none                   extsz=4096   blocks=0, rtextents=0 [test ~]$ sudo mkdir /sftp [test ~]$ sudo mount /dev/sftp/lv_sftp /sftp [test ~]$ df -h Filesystem                 Size  Used Avail Use% Mounted on /dev/mapper/VolGroup-root   20G  3.7G   17G  19% / devtmpfs                    32G     0   32G   0% /dev tmpfs                       32G     0   32G   0% /dev/shm tmpfs                       32G  8.9M   32G   1% /run tmpfs                       32G     0   32G   0% /sys/fs/cgroup /dev/mapper/VolGroup-app   109G   33M  109G   1% /app /dev/mapper/VolGroup-tmp    10G   34M   10G   1% /tmp /dev/mapper/VolGroup-opt    40G   33M   40G   1% /opt /dev/mapper/VolGroup-home   10G   33M   10G   1% /home /dev/sda1                 1011M  179M  833M  18% /boot /dev/mapper/VolGroup-var    10G 1022M  9.0G  10% /var tmpfs                      6.3G   32K  6.3G   1% /run/user/0 tmpfs                      6.3G     0  6.3G   0% /run/user/1000 /dev/mapper/sftp-lv_sftp   800G   33M  800G   1% /sftp [test ~]$ sudo vi /etc/fstab # # /etc/fstab # Created by anaconda on Thu Feb 21 14:04:07 2019 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/VolGroup-root /                       xfs     defaults        0 0 /dev/mapper/VolGroup-app /app                    xfs     defaults        0 0 UUID=fa236133-75ae-4bc5-be96-5451af80df8d /boot                   xfs     defaults        0 0 /dev/mapper/VolGroup-home /home                   xfs     defaults        0 0 /dev/mapper/VolGroup-opt /opt                    xfs     defaults        0 0 /dev/mapper/VolGroup-tmp /tmp                    xfs     defaults        0 0 /dev/mapper/VolGroup-var /var                    xfs     defaults        0 0 /dev/sftp/lv_sftp /sftp                    xfs     defaults        0 0 ~

"/etc/fstab" 16L, 848C written

[test ~]$ sudo mount -a [test ~]$ sudo umount /sftp [test ~]$ df -h Filesystem                 Size  Used Avail Use% Mounted on /dev/mapper/VolGroup-root   20G  3.7G   17G  19% / devtmpfs                    32G     0   32G   0% /dev tmpfs                       32G     0   32G   0% /dev/shm tmpfs                       32G  8.9M   32G   1% /run tmpfs                       32G     0   32G   0% /sys/fs/cgroup /dev/mapper/VolGroup-app   109G   33M  109G   1% /app /dev/mapper/VolGroup-tmp    10G   34M   10G   1% /tmp /dev/mapper/VolGroup-opt    40G   33M   40G   1% /opt /dev/mapper/VolGroup-home   10G   33M   10G   1% /home /dev/sda1                 1011M  179M  833M  18% /boot /dev/mapper/VolGroup-var    10G 1022M  9.0G  10% /var tmpfs                      6.3G   32K  6.3G   1% /run/user/0 tmpfs                      6.3G     0  6.3G   0% /run/user/1000 [test ~]$ sudo mount -a [test ~]$ df -h Filesystem                 Size  Used Avail Use% Mounted on /dev/mapper/VolGroup-root   20G  3.7G   17G  19% / devtmpfs                    32G     0   32G   0% /dev tmpfs                       32G     0   32G   0% /dev/shm tmpfs                       32G  8.9M   32G   1% /run tmpfs                       32G     0   32G   0% /sys/fs/cgroup /dev/mapper/VolGroup-app   109G   33M  109G   1% /app /dev/mapper/VolGroup-tmp    10G   34M   10G   1% /tmp /dev/mapper/VolGroup-opt    40G   33M   40G   1% /opt /dev/mapper/VolGroup-home   10G   33M   10G   1% /home /dev/sda1                 1011M  179M  833M  18% /boot /dev/mapper/VolGroup-var    10G 1022M  9.0G  10% /var tmpfs                      6.3G   32K  6.3G   1% /run/user/0 tmpfs                      6.3G     0  6.3G   0% /run/user/1000 /dev/mapper/sftp-lv_sftp   800G   33M  800G   1% /sftp

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