因空間限制將現zabbix環境添加一塊硬盤30G用於擴展
root@zabbix:~# df -l
root@zabbix:/proc# fdisk -l
root@zabbix:/proc/# fdisk /dev/sdb
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): 1
First sector (2048-629145599, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-629145599, default 629145599):
Created a new partition 1 of type 'Linux' and of size 30 GiB.
Command (m for help): t
Selected partition 1
Partition type (type L to list all types): 8e
Changed type of partition 'Linux' to 'Linux LVM'.
Command (m for help): p
Disk /dev/sdb: 30 GiB, 322122547200 bytes, 629145600 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
Disklabel type: dos
Disk identifier: 0x20d62197
Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 629145599 629143552 30G 8e Linux LVM
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
root@zabbix:/proc/# df -h
root@zabbix:/proc/# pvse
root@zabbix:/proc/# vgdisplay
--- Volume group ---
VG Name zabbix-vg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 6
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 9.52 GiB
PE Size 4.00 MiB
Total PE 25477
Alloc PE / Size 25417 / 9.29 GiB
Free PE / Size 60 / 240.00 MiB
VG UUID jwydJN-hcMl-GAax-wIi5-8uYr-8DoL-y4ScQA
root@zabbix:/proc/# pvcreate /dev/sdb1
Physical volume "/dev/sdb1" successfully created
root@zabbix:/proc/# vgdisplay
--- Volume group ---
VG Name zabbix-vg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 6
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 9.52 GiB
PE Size 4.00 MiB
Total PE 25477
Alloc PE / Size 25417 / 9.29 GiB
Free PE / Size 60 / 240.00 MiB
VG UUID jwydJN-hcMl-GAax-wIi5-8uYr-8DoL-y4ScQA
root@zabbix:/proc/# vgextend zabbix-vg /dev/sdb1
Volume group "zabbix-vg" successfully extended
root@zabbix:/proc/# lvextend -L +30G -n /dev/mapper/zabbix--vg-root
Size of logical volume zabbix-vg/root changed from 97.29 GiB (24905 extents) to 197.29 GiB (50505 extents).
Logical volume root successfully resized.
root@zabbix:/proc/# df -h
Filesystem Size Used Avail Use% Mounted on
udev 7.9G 0 7.9G 0% /dev
tmpfs 1.6G 93M 1.5G 6% /run
/dev/mapper/zabbix--vg-root 9.6G 6.7G 2.6G 73% /
tmpfs 7.9G 0 7.9G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup
/dev/sda1 472M 471M 0 100% /boot
root@zabbix:/proc/# vi /etc/fstab
root@zabbix:/proc/scsi# resize2fs /dev/mapper/zabbix--vg-root
resize2fs 1.42.13 (17-May-2015)
Filesystem at /dev/mapper/zabbix--vg-root is mounted on /; on-line resizing required
old_desc_blocks = 7, new_desc_blocks = 13
The filesystem on /dev/mapper/zabbix--vg-root is now 51717120 (4k) blocks long.
root@zabbix:/proc/# df -h
Filesystem Size Used Avail Use% Mounted on
udev 7.9G 0 7.9G 0% /dev
tmpfs 1.6G 93M 1.5G 6% /run
/dev/mapper/zabbix--vg-root 39.5G 6.7G 32G 16% /
tmpfs 7.9G 0 7.9G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup
/dev/sda1 472M 471M 0 100% /boot