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Linux: Difference between revisions
→Volume group: adding a new disk to LVM
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=== Adding a new disk to a LVM === | |||
<source lang="console"> | |||
[root@chara mhan]# lsblk | |||
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT | |||
sda 8:0 0 238.5G 0 disk | |||
└─sda1 8:1 0 238.5G 0 part | |||
├─centos_chara-root 253:0 0 2T 0 lvm / | |||
└─centos_chara-home 253:2 0 200G 0 lvm /home | |||
sdb 8:16 0 119.2G 0 disk | |||
├─sdb1 8:17 0 200M 0 part /boot/efi | |||
├─sdb2 8:18 0 1G 0 part /boot | |||
└─sdb3 8:19 0 118G 0 part | |||
├─centos_chara-root 253:0 0 2T 0 lvm / | |||
└─centos_chara-swap 253:1 0 7.9G 0 lvm [SWAP] | |||
sdc 8:32 0 1.8T 0 disk | |||
└─sdc1 8:33 0 1.8T 0 part | |||
└─centos_chara-root 253:0 0 2T 0 lvm / | |||
sdd 8:48 0 931.5G 0 disk | |||
└─sdd1 8:49 0 931.5G 0 part | |||
sr0 11:0 1 1024M 0 rom | |||
[root@chara mhan]# fdisk /dev/sdd | |||
Welcome to fdisk (util-linux 2.32.1). | |||
Changes will remain in memory only, until you decide to write them. | |||
Be careful before using the write command. | |||
Device does not contain a recognized partition table. | |||
Created a new DOS disklabel with disk identifier 0x8d7dc33f. | |||
Command (m for help): n | |||
Partition type | |||
p primary (0 primary, 0 extended, 4 free) | |||
e extended (container for logical partitions) | |||
Select (default p): p | |||
Partition number (1-4, default 1): | |||
First sector (2048-1953525167, default 2048): | |||
Last sector, +sectors or +size{K,M,G,T,P} (2048-1953525167, default 1953525167): | |||
Created a new partition 1 of type 'Linux' and of size 931.5 GiB. | |||
Command (m for help): t | |||
Selected partition 1 | |||
Hex code (type L to list all codes): 8e | |||
Changed type of partition 'Linux' to 'Linux LVM'. | |||
Command (m for help): w | |||
The partition table has been altered. | |||
Calling ioctl() to re-read partition table. | |||
Syncing disks. | |||
[root@chara mhan]# pvcreate /dev/sdd1 | |||
Physical volume "/dev/sdd1" successfully created. | |||
[root@chara mhan]# vgs | |||
VG #PV #LV #SN Attr VSize VFree | |||
centos_chara 3 3 0 wz--n- <2.17t 0 | |||
[root@chara mhan]# vgextend centos_chara /dev/sdd1 | |||
Volume group "centos_chara" successfully extended | |||
[root@chara mhan]# lvdisplay | grep Path | |||
LV Path /dev/centos_chara/swap | |||
LV Path /dev/centos_chara/root | |||
LV Path /dev/centos_chara/home | |||
[root@chara mhan]# lvresize -l +100%free /dev/centos_chara/root | |||
Size of logical volume centos_chara/root changed from 1.96 TiB (514983 extents) to 2.87 TiB (753449 extents). | |||
Logical volume centos_chara/root successfully resized. | |||
[root@chara mhan]# df -h | grep root | |||
/dev/mapper/centos_chara-root 2.0T 1.9T 89G 96% / | |||
[root@chara mhan]# grep root /etc/mtab | |||
/dev/mapper/centos_chara-root / xfs rw,relatime,attr2,inode64,noquota 0 0 | |||
[root@chara mhan]# df -h | |||
Filesystem Size Used Avail Use% Mounted on | |||
devtmpfs 7.8G 0 7.8G 0% /dev | |||
tmpfs 7.8G 176K 7.8G 1% /dev/shm | |||
tmpfs 7.8G 9.3M 7.8G 1% /run | |||
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup | |||
/dev/mapper/centos_chara-root 2.0T 1.9T 89G 96% / | |||
/dev/sdb2 1014M 293M 722M 29% /boot | |||
/dev/mapper/centos_chara-home 200G 103G 98G 52% /home | |||
/dev/sdb1 200M 11M 190M 6% /boot/efi | |||
tmpfs 1.6G 4.0K 1.6G 1% /run/user/1000 | |||
[root@chara mhan]# xfs_growfs / | |||
meta-data=/dev/mapper/centos_chara-root isize=512 agcount=161, agsize=3276800 blks | |||
= sectsz=512 attr=2, projid32bit=1 | |||
= crc=1 finobt=0, sparse=0, rmapbt=0 | |||
= reflink=0 | |||
data = bsize=4096 blocks=527342592, imaxpct=25 | |||
= sunit=0 swidth=0 blks | |||
naming =version 2 bsize=4096 ascii-ci=0, ftype=1 | |||
log =internal log bsize=4096 blocks=6400, version=2 | |||
= sectsz=512 sunit=0 blks, lazy-count=1 | |||
realtime =none extsz=4096 blocks=0, rtextents=0 | |||
data blocks changed from 527342592 to 771531776 | |||
[root@chara mhan]# df -h | |||
Filesystem Size Used Avail Use% Mounted on | |||
devtmpfs 7.8G 0 7.8G 0% /dev | |||
tmpfs 7.8G 176K 7.8G 1% /dev/shm | |||
tmpfs 7.8G 9.3M 7.8G 1% /run | |||
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup | |||
/dev/mapper/centos_chara-root 2.9T 1.9T 1020G 66% / | |||
/dev/sdb2 1014M 293M 722M 29% /boot | |||
/dev/mapper/centos_chara-home 200G 103G 98G 52% /home | |||
/dev/sdb1 200M 11M 190M 6% /boot/efi | |||
tmpfs 1.6G 4.0K 1.6G 1% /run/user/1000 | |||
[root@chara mhan]# | |||
</source> | |||
=== Links === | === Links === | ||