Lvm
如何擴展我係統上的邏輯空間？
我有兩個 SSD，第一個快滿了。這是 lsblk 輸出
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 4,2M 1 loop /snap/gnome-calculator/501 loop1 7:1 0 156M 1 loop /snap/gnome-3-28-1804/91 loop2 7:2 0 160,8M 1 loop /snap/midori/550 loop3 7:3 0 42,8M 1 loop /snap/gtk-common-themes/1313 loop4 7:4 0 17,9M 1 loop /snap/pdftk/9 loop5 7:5 0 160,7M 1 loop /snap/midori/451 loop6 7:6 0 140,7M 1 loop /snap/gnome-3-26-1604/92 loop7 7:7 0 89M 1 loop /snap/core/7713 loop8 7:8 0 54,5M 1 loop /snap/core18/1223 loop9 7:9 0 3,7M 1 loop /snap/gnome-system-monitor/100 loop10 7:10 0 144,6M 1 loop /snap/postman/96 loop11 7:11 0 44,2M 1 loop /snap/gtk-common-themes/1353 loop12 7:12 0 54,5M 1 loop /snap/core18/1192 loop13 7:13 0 89,1M 1 loop /snap/core/7917 loop14 7:14 0 132,4M 1 loop /snap/postman/93 loop15 7:15 0 615,6M 1 loop /snap/intellij-idea-community/177 loop16 7:16 0 956K 1 loop /snap/gnome-logs/73 loop17 7:17 0 4,2M 1 loop /snap/gnome-calculator/544 loop18 7:18 0 14,8M 1 loop /snap/gnome-characters/359 loop19 7:19 0 320,3M 1 loop /snap/datagrip/61 loop20 7:20 0 14,8M 1 loop /snap/gnome-characters/317 loop21 7:21 0 956K 1 loop /snap/gnome-logs/81 loop22 7:22 0 3,7M 1 loop /snap/gnome-system-monitor/107 loop23 7:23 0 618M 1 loop /snap/intellij-idea-community/185 loop24 7:24 0 140,7M 1 loop /snap/gnome-3-26-1604/97 loop25 7:25 0 149,9M 1 loop /snap/gnome-3-28-1804/71 loop26 7:26 0 319,5M 1 loop /snap/datagrip/64 sda 8:0 0 465,8G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi └─sda2 8:2 0 465,3G 0 part / sdb 8:16 0 931,5G 0 disk ├─volgroup-projects 253:0 0 10G 0 lvm /mnt/projects ├─volgroup-db 253:1 0 10G 0 lvm /mnt/db └─volgroup-workspace 253:2 0 911,5G 0 lvm /mnt/workspace sdc 8:32 0 111,8G 0 disk └─sdc1 8:33 0 111,8G 0 part sr0 11:0 1 1024M 0 rom如何調整儲存池的大小？我不想重新格式化我的磁碟，但我沒有足夠的經驗。我在 Ubuntu 18.04 上。我應該一步一步做什麼？
vgs VG #PV #LV #SN Attr VSize VFree volgroup 1 3 0 wz--n- 931,51g 0和 vgdisplay
--- Volume group --- VG Name volgroup System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 1 Act PV 1 VG Size 931,51 GiB PE Size 4,00 MiB Total PE 238467 Alloc PE / Size 238467 / 931,51 GiB Free PE / Size 0 / 0 VG UUID gJe4Qy-Qu8n-dVmd-KDDH-YgHd-c9O2-Wg6vQM lvdisplay --- Logical volume --- LV Path /dev/volgroup/projects LV Name projects VG Name volgroup LV UUID JyAbOT-pN1w-zWwM-aPsO-UPpM-QqTC-0pOzMZ LV Write Access read/write LV Creation host, time miki, 2019-05-27 13:55:15 +0200 LV Status available # open 1 LV Size 10,00 GiB Current LE 2560 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 --- Logical volume --- LV Path /dev/volgroup/db LV Name db VG Name volgroup LV UUID SuWPuB-QoTQ-HklW-N9qT-t0zf-AhcX-0YBAFK LV Write Access read/write LV Creation host, time miki, 2019-05-27 13:55:36 +0200 LV Status available # open 1 LV Size 10,00 GiB Current LE 2560 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:1 --- Logical volume --- LV Path /dev/volgroup/workspace LV Name workspace VG Name volgroup LV UUID GwJL1X-6Thi-I8xj-w1iK-mwjS-DJC1-BeSgOh LV Write Access read/write LV Creation host, time miki, 2019-05-27 13:56:25 +0200 LV Status available # open 1 LV Size 911,51 GiB Current LE 233347 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:2df 輸出
df -h Filesystem Size Used Avail Use% Mounted on udev 7,8G 0 7,8G 0% /dev tmpfs 1,6G 2,3M 1,6G 1% /run /dev/sda2 457G 424G 9,8G 98% / tmpfs 7,8G 387M 7,5G 5% /dev/shm tmpfs 5,0M 4,0K 5,0M 1% /run/lock tmpfs 7,8G 0 7,8G 0% /sys/fs/cgroup /dev/loop1 55M 55M 0 100% /snap/core18/1265 /dev/loop0 133M 133M 0 100% /snap/postman/93 /dev/loop7 18M 18M 0 100% /snap/pdftk/9 /dev/loop4 141M 141M 0 100% /snap/gnome-3-26-1604/97 /dev/loop2 161M 161M 0 100% /snap/midori/550 /dev/loop3 90M 90M 0 100% /snap/core/7917 /dev/loop8 1,0M 1,0M 0 100% /snap/gnome-logs/81 /dev/loop5 145M 145M 0 100% /snap/postman/96 /dev/loop6 321M 321M 0 100% /snap/datagrip/61 /dev/loop9 618M 618M 0 100% /snap/intellij-idea-community/185 /dev/loop10 43M 43M 0 100% /snap/gtk-common-themes/1313 /dev/loop11 320M 320M 0 100% /snap/datagrip/64 /dev/loop13 157M 157M 0 100% /snap/gnome-3-28-1804/91 /dev/loop14 4,3M 4,3M 0 100% /snap/gnome-calculator/544 /dev/loop15 161M 161M 0 100% /snap/midori/451 /dev/loop12 1,0M 1,0M 0 100% /snap/gnome-logs/73 /dev/loop16 45M 45M 0 100% /snap/gtk-common-themes/1353 /dev/loop17 15M 15M 0 100% /snap/gnome-characters/317 /dev/loop18 90M 90M 0 100% /snap/core/8039 /dev/loop19 4,3M 4,3M 0 100% /snap/gnome-calculator/501 /dev/loop20 141M 141M 0 100% /snap/gnome-3-26-1604/92 /dev/loop21 3,8M 3,8M 0 100% /snap/gnome-system-monitor/107 /dev/loop22 150M 150M 0 100% /snap/gnome-3-28-1804/71 /dev/loop23 616M 616M 0 100% /snap/intellij-idea-community/177 /dev/loop24 3,8M 3,8M 0 100% /snap/gnome-system-monitor/100 /dev/loop25 15M 15M 0 100% /snap/gnome-characters/359 /dev/loop26 55M 55M 0 100% /snap/core18/1223 /dev/sda1 511M 6,1M 505M 2% /boot/efi /dev/mapper/volgroup-projects 9,8G 37M 9,3G 1% /mnt/projects /dev/mapper/volgroup-db 9,8G 37M 9,3G 1% /mnt/db /dev/mapper/volgroup-workspace 897G 77M 851G 1% /mnt/workspace tmpfs 1,6G 16K 1,6G 1% /run/user/121 tmpfs 1,6G 40K 1,6G 1% /run/user/1000
下面是一個範例，將工作空間邏輯卷的大小減少 10G，然後增加db邏輯卷的大小。
lvresize -r -L -10G /dev/mapper/volgroup-workspace lvresize -r -L +10G /dev/mapper/volgroup-db