CORRECT TEXT

CORRECT TEXT

Part 2 (on Node2 Server)

Task 3 [Managing Logical Volumes]

Create a new volume group in the name of datavg and physical volume extent is 16 MB

Create a new logical volume in the name of datalv with the size of 250 extents and file system must xfs

Then the logical volume should be mounted automatically mounted under /data at system boot time

View Answer

Answer: *

[root@node2 ~]# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

vdb 252:16 0 5G 0 disk

vdb1 252:17 0 4.2G 0 part

vgrz-lvrz 253:2 0 4.1G 0 lvm /datarz

vdc 252:32 0 5G 0 disk

vdd 252:48 0 5G 0 disk

vde 252:64 0 10G 0 disk

[root@node2 ~]# parted /dev/vdc mklabel msdos

[root@node2 ~]# parted /dev/vdc mkpart primary 1MiB 4200MiB [root@node2 ~]# parted /dev/vdc set 1 lvm on

*

[root@node2 ~]# udevadm settle

[root@node2 ~]# pvcreate /dev/vdc1

Physical volume "/dev/vdc1" successfully created. [root@node2 ~]# vgcreate -s 16M datavg /dev/vdc1 Volume group "datavg" successfully created [root@node2 ~]# lvcreate -n datalv -L 4000M datavg Logical volume "datalv" created. [root@node2 ~]# mkfs.xfs /dev/datavg/datalv

[root@node2 ~]# mkdir /data

[root@node2 ~]# blkid

/dev/mapper/datavg-datalv: UUID="7397a292-d67d-4632-941e-382e2bd922ce"

BLOCK_SIZE="512" TYPE="xfs"

*

[root@node2 ~]# vim /etc/fstab

UUID=7397a292-d67d-4632-941e-382e2bd922ce /data xfs defaults 0 0

[root@node2 ~]# mount UUID=7397a292-d67d-4632-941e-382e2bd922ce /data

[root@node2 ~]# reboot

[root@node2 ~]# df -hT

Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/datavg-datalv xfs 3.9G 61M 3.9G 2% /data