How to extend physical volume disk mapper root
Check the disk block
[root@myhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 50G 0 disk
├─sda1 8:1 0 4M 0 part
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 49G 0 part
├─rhel-root 253:0 0 44G 0 lvm /
└─rhel-swap 253:1 0 4G 0 lvm [SWAP]
sr0 11:0 1 3G 0 rom
[root@myhost ~]#
[root@myhost ~]#
Check disk size
[root@myhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rhel-root 17G 4.3G 13G 26% /
devtmpfs 7.5G 0 7.5G 0% /dev
tmpfs 7.5G 0 7.5G 0% /dev/shm
tmpfs 7.5G 18M 7.5G 1% /run
tmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup
/dev/sda2 1014M 198M 817M 20% /boot
tmpfs 1.5G 0 1.5G 0% /run/user/0
[root@myhost ~]#
Check disk mapper
[root@myhost ~]# fdisk -l
Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x000ab94b
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 10239 4096 41 PPC PReP Boot
/dev/sda2 10240 2107391 1048576 83 Linux
/dev/sda3 2107392 104857599 51375104 8e Linux LVM
Disk /dev/mapper/rhel-root: 47.2 GB, 47236251648 bytes, 92258304 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/rhel-swap: 4294 MB, 4294967296 bytes, 8388608 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
[root@myhost ~]#
Check the logical volume
[root@myhost ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root rhel -wi-ao---- 43.99g
swap rhel -wi-ao---- 4.00g
[root@myhost bin]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda3 rhel lvm2 a-- 48.99g 1.00g
[root@myhost bin]#
[root@myhost bin]# xfs_growfs /dev/rhel/root
meta-data=/dev/mapper/rhel-root isize=512 agcount=4, agsize=1113600 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=4454400, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 4454400 to 11532288
[root@myhost ~]#
Check the disk size again
[root@myhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rhel-root 44G 5.6G 39G 13% /
devtmpfs 7.5G 0 7.5G 0% /dev
tmpfs 7.5G 0 7.5G 0% /dev/shm
tmpfs 7.5G 18M 7.5G 1% /run
tmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup
/dev/sda2 1014M 198M 817M 20% /boot
tmpfs 1.5G 0 1.5G 0% /run/user/0
[root@myhost ~]#
Tidak ada komentar :
Posting Komentar