REF1:https://ithelp.ithome.com.tw/articles/10080861
REF2:https://sc8log.blogspot.com/2017/03/linux-lvm-lvm.html
(0)$ sudo fdisk -l /dev/sda [sudo] password for treehrt: Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: 0CDEAD93-994C-453E-A240-EB952B15039B
所用裝置 Start 結束 磁區 Size 類型 /dev/sda1 2048 534527 532480 260M EFI System /dev/sda2 534528 567295 32768 16M Microsoft reserved /dev/sda3 567296 629712895 629145600 300G Microsoft basic data /dev/sda4 629712896 631810047 2097152 1G Linux filesystem /dev/sda5 1949788160 1951426559 1638400 800M Windows recovery environment /dev/sda6 631810048 1949788159 1317978112 628.5G Linux LVM /dev/sda7 1951426560 1953525134 2098575 1G Linux filesystem
Partition table entries are not in disk order.
(1)$ sudo pvscan PV /dev/sda6 VG fedora lvm2 [<628.46 GiB / <605.69 GiB free] Total: 1 [<628.46 GiB] / in use: 1 [<628.46 GiB] / in no VG: 0 [0 ]
(2)$ sudo pvdisplay
--- Physical volume --- PV Name /dev/sda6 VG Name fedora PV Size 628.46 GiB / not usable 4.00 MiB Allocatable yes PE Size 4.00 MiB Total PE 160885 Free PE 155056 Allocated PE 5829 PV UUID TzQpnt-3D8g-z8gf-oYyg-cPre-kxAR-80qnD2
(3)$ sudo lvcreate -L 20476M -n fclv01 fedora Logical volume "fclv01" created.
[treehrt@sice ~]$ sudo pvdisplay --- Physical volume --- PV Name /dev/sda6 VG Name fedora PV Size 628.46 GiB / not usable 4.00 MiB Allocatable yes PE Size 4.00 MiB Total PE 160885 Free PE 149937 Allocated PE 10948 PV UUID TzQpnt-3D8g-z8gf-oYyg-cPre-kxAR-80qnD2
(4)$ sudo lvdisplay --- Logical volume --- LV Path /dev/fedora/root LV Name root VG Name fedora LV UUID 1oNhCv-IfPQ-tRWq-PLJy-F8v3-IvHK-NZnqXn LV Write Access read/write LV Creation host, time localhost, 2019-01-19 10:42:25 +0800 LV Status available # open 1 LV Size 15.00 GiB Current LE 3840 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 --- Logical volume --- LV Path /dev/fedora/swap LV Name swap VG Name fedora LV UUID DixTjC-5f3p-ENYr-p3fF-azJA-vTiK-3nFYGe LV Write Access read/write LV Creation host, time localhost, 2019-01-19 10:42:26 +0800 LV Status available # open 2 LV Size <7.77 GiB Current LE 1989 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:1 --- Logical volume --- LV Path /dev/fedora/fclv01 LV Name fclv01 VG Name fedora LV UUID Uvjj2Y-lBQ0-V3Mu-42Ui-Mzav-9bns-UU4qR8 LV Write Access read/write LV Creation host, time sice.kmvs.km.edu.tw, 2019-03-18 11:39:23 +0800 LV Status available # open 0 LV Size <20.00 GiB Current LE 5119 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:2 (5)$ sudo mkfs.xfs /dev/fedora/fclv01 meta-data=/dev/fedora/fclv01 isize=512 agcount=4, agsize=1310464 blks = sectsz=4096 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=0, rmapbt=0, reflink=0 data = bsize=4096 blocks=5241856, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal log bsize=4096 blocks=2560, version=2 = sectsz=4096 sunit=1 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0
(6)$ mkdir lvmdata
$ pwd /home/treehrt
(7)$ sudo mount /dev/fedora/fclv01 /home/treehrt/lvmdata
(8)$ df -h 檔案系統 容量 已用 可用 已用% 掛載點 devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 60M 3.8G 2% /dev/shm tmpfs 3.9G 1.9M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/mapper/fedora-root 15G 15G 710M 96% / tmpfs 3.9G 316K 3.9G 1% /tmp /dev/sda4 976M 126M 783M 14% /boot /dev/sda1 256M 33M 224M 13% /boot/efi tmpfs 783M 16K 783M 1% /run/user/42 tmpfs 783M 3.5M 779M 1% /run/user/1000 /dev/mapper/fedora-fclv01 20G 53M 20G 1% /home/treehrt/lvmdata
(9)$ sudo vi /etc/fstab (10)$ cat /etc/fstab :
/dev/mapper/fedora-root / xfs defaults 0 0 /dev/mapper/fedora-fclv01 /home/treehrt/lvmdata xfs defaults 0 0 :
/dev/mapper/fedora-swap swap swap defaults 0 0
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