====== Ubuntu 直接加一顆 HD 擴充 LVM 空間 ====== * 環境 : Ubuntu 20.04.6 LTS * 檔案系統 : 透過安裝預設建立 LVM * ++Volume group : ubuntu-vg| root@dockur-win:~# vgdisplay --- Volume group --- VG Name ubuntu-vg System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 2 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 1 Max PV 0 Cur PV 1 Act PV 1 VG Size <58.50 GiB PE Size 4.00 MiB Total PE 14975 Alloc PE / Size 14975 / <58.50 GiB Free PE / Size 0 / 0 VG UUID mNr3cZ-Rl7q-aWaF-kwFM-6Dyk-jmab-txk3YT ++ * ++Logical volume : ubuntu-lv(/dev/ubuntu-vg/ubuntu-lv)| root@dockur-win:~# lvdisplay --- Logical volume --- LV Path /dev/ubuntu-vg/ubuntu-lv LV Name ubuntu-lv VG Name ubuntu-vg LV UUID zWjMNs-DWEd-79wN-FlvH-V4Mc-RHBa-9lkTks LV Write Access read/write LV Creation host, time ubuntu-server, 2023-10-12 21:40:30 +0000 LV Status available # open 1 LV Size <58.50 GiB Current LE 14975 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 ++ * ++目前掛載資訊 : /dev/mapper/ubuntu--vg-ubuntu--lv 58G 6.9G 48G 13% / | root@dockur-win:~# df -h Filesystem Size Used Avail Use% Mounted on udev 7.8G 0 7.8G 0% /dev tmpfs 1.6G 1.3M 1.6G 1% /run /dev/mapper/ubuntu--vg-ubuntu--lv 58G 6.9G 48G 13% / 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/sda2 1.5G 209M 1.2G 16% /boot /dev/loop0 62M 62M 0 100% /snap/core20/1328 /dev/loop2 44M 44M 0 100% /snap/snapd/14978 /dev/loop1 68M 68M 0 100% /snap/lxd/21835 tmpfs 1.6G 0 1.6G 0% /run/user/1000 /dev/loop3 92M 92M 0 100% /snap/lxd/24061 ++ ===== 處理程序 ===== * 預計加入 HD : /dev/sdb 60G 擴充 / 空間 - 先針對 /dev/sdb 進行 fdisk 為 lvm 設備 fdisk /dev/sdb g n 1 [Enter] [Enter] t L q 31 p w * ++ 看實際操作紀錄| root@dockur-win:~# fdisk /dev/sdb Welcome to fdisk (util-linux 2.34). 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 0x762ed0d4. Command (m for help): g Created a new GPT disklabel (GUID: 40DD6550-02A5-BD46-9597-859E63050DA8). Command (m for help): n Partition number (1-128, default 1): First sector (2048-125829086, default 2048): Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-125829086, default 125829086): Created a new partition 1 of type 'Linux filesystem' and of size 60 GiB. Command (m for help): t Selected partition 1 Partition type (type L to list all types): L 1 EFI System C12A7328-F81F-11D2-BA4B-00A0C93EC93B 2 MBR partition scheme 024DEE41-33E7-11D3-9D69-0008C781F39F 3 Intel Fast Flash D3BFE2DE-3DAF-11DF-BA40-E3A556D89593 4 BIOS boot 21686148-6449-6E6F-744E-656564454649 5 Sony boot partition F4019732-066E-4E12-8273-346C5641494F 6 Lenovo boot partition BFBFAFE7-A34F-448A-9A5B-6213EB736C22 7 PowerPC PReP boot 9E1A2D38-C612-4316-AA26-8B49521E5A8B 8 ONIE boot 7412F7D5-A156-4B13-81DC-867174929325 9 ONIE config D4E6E2CD-4469-46F3-B5CB-1BFF57AFC149 10 Microsoft reserved E3C9E316-0B5C-4DB8-817D-F92DF00215AE 11 Microsoft basic data EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 12 Microsoft LDM metadata 5808C8AA-7E8F-42E0-85D2-E1E90434CFB3 13 Microsoft LDM data AF9B60A0-1431-4F62-BC68-3311714A69AD 14 Windows recovery environment DE94BBA4-06D1-4D40-A16A-BFD50179D6AC 15 IBM General Parallel Fs 37AFFC90-EF7D-4E96-91C3-2D7AE055B174 16 Microsoft Storage Spaces E75CAF8F-F680-4CEE-AFA3-B001E56EFC2D 17 HP-UX data 75894C1E-3AEB-11D3-B7C1-7B03A0000000 18 HP-UX service E2A1E728-32E3-11D6-A682-7B03A0000000 19 Linux swap 0657FD6D-A4AB-43C4-84E5-0933C84B4F4F 20 Linux filesystem 0FC63DAF-8483-4772-8E79-3D69D8477DE4 21 Linux server data 3B8F8425-20E0-4F3B-907F-1A25A76F98E8 22 Linux root (x86) 44479540-F297-41B2-9AF7-D131D5F0458A 23 Linux root (ARM) 69DAD710-2CE4-4E3C-B16C-21A1D49ABED3 24 Linux root (x86-64) 4F68BCE3-E8CD-4DB1-96E7-FBCAF984B709 25 Linux root (ARM-64) B921B045-1DF0-41C3-AF44-4C6F280D3FAE 26 Linux root (IA-64) 993D8D3D-F80E-4225-855A-9DAF8ED7EA97 27 Linux reserved 8DA63339-0007-60C0-C436-083AC8230908 28 Linux home 933AC7E1-2EB4-4F13-B844-0E14E2AEF915 29 Linux RAID A19D880F-05FC-4D3B-A006-743F0F84911E 30 Linux extended boot BC13C2FF-59E6-4262-A352-B275FD6F7172 31 Linux LVM E6D6D379-F507-44C2-A23C-238F2A3DF928 32 FreeBSD data 516E7CB4-6ECF-11D6-8FF8-00022D09712B 33 FreeBSD boot 83BD6B9D-7F41-11DC-BE0B-001560B84F0F 34 FreeBSD swap 516E7CB5-6ECF-11D6-8FF8-00022D09712B 35 FreeBSD UFS 516E7CB6-6ECF-11D6-8FF8-00022D09712B 36 FreeBSD ZFS 516E7CBA-6ECF-11D6-8FF8-00022D09712B 37 FreeBSD Vinum 516E7CB8-6ECF-11D6-8FF8-00022D09712B 38 Apple HFS/HFS+ 48465300-0000-11AA-AA11-00306543ECAC 39 Apple UFS 55465300-0000-11AA-AA11-00306543ECAC 40 Apple RAID 52414944-0000-11AA-AA11-00306543ECAC 41 Apple RAID offline 52414944-5F4F-11AA-AA11-00306543ECAC 42 Apple boot 426F6F74-0000-11AA-AA11-00306543ECAC 43 Apple label 4C616265-6C00-11AA-AA11-00306543ECAC 44 Apple TV recovery 5265636F-7665-11AA-AA11-00306543ECAC 45 Apple Core storage 53746F72-6167-11AA-AA11-00306543ECAC 46 Solaris boot 6A82CB45-1DD2-11B2-99A6-080020736631 47 Solaris root 6A85CF4D-1DD2-11B2-99A6-080020736631 48 Solaris /usr & Apple ZFS 6A898CC3-1DD2-11B2-99A6-080020736631 49 Solaris swap 6A87C46F-1DD2-11B2-99A6-080020736631 50 Solaris backup 6A8B642B-1DD2-11B2-99A6-080020736631 51 Solaris /var 6A8EF2E9-1DD2-11B2-99A6-080020736631 52 Solaris /home 6A90BA39-1DD2-11B2-99A6-080020736631 53 Solaris alternate sector 6A9283A5-1DD2-11B2-99A6-080020736631 54 Solaris reserved 1 6A945A3B-1DD2-11B2-99A6-080020736631 55 Solaris reserved 2 6A9630D1-1DD2-11B2-99A6-080020736631 56 Solaris reserved 3 6A980767-1DD2-11B2-99A6-080020736631 57 Solaris reserved 4 6A96237F-1DD2-11B2-99A6-080020736631 58 Solaris reserved 5 6A8D2AC7-1DD2-11B2-99A6-080020736631 59 NetBSD swap 49F48D32-B10E-11DC-B99B-0019D1879648 60 NetBSD FFS 49F48D5A-B10E-11DC-B99B-0019D1879648 61 NetBSD LFS 49F48D82-B10E-11DC-B99B-0019D1879648 62 NetBSD concatenated 2DB519C4-B10E-11DC-B99B-0019D1879648 Partition type (type L to list all types): 31 Changed type of partition 'Linux filesystem' to 'Linux LVM'. Command (m for help): p Disk /dev/sdb: 60 GiB, 64424509440 bytes, 125829120 sectors Disk model: QEMU HARDDISK 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: gpt Disk identifier: 40DD6550-02A5-BD46-9597-859E63050DA8 Device Start End Sectors Size Type /dev/sdb1 2048 125829086 125827039 60G Linux LVM Command (m for help): w The partition table has been altered. Calling ioctl() to re-read partition table. Syncing disks. ++ - 將 /dev/sdb 加入 Volume group : ubuntu-vg pvcreate /dev/sdb1 vgextend ubuntu-vg /dev/sdb1 vgdisplay ubuntu-vg * ++看參考畫面| root@dockur-win:~# pvcreate /dev/sdb1 Physical volume "/dev/sdb1" successfully created. root@dockur-win:~# vgextend ubuntu-vg /dev/sdb1 Volume group "ubuntu-vg" successfully extended root@dockur-win:~# vgdisplay ubuntu-vg --- Volume group --- VG Name ubuntu-vg System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 3 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 1 Max PV 0 Cur PV 2 Act PV 2 VG Size 118.49 GiB PE Size 4.00 MiB Total PE 30334 Alloc PE / Size 14975 / <58.50 GiB Free PE / Size 15359 / <60.00 GiB VG UUID mNr3cZ-Rl7q-aWaF-kwFM-6Dyk-jmab-txk3YT ++ - 擴充所有加入空間給 Logical volume : ubuntu-lv (/dev/ubuntu-vg/ubuntu-lv) lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv * ++看參考畫面| root@dockur-win:~# lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv Size of logical volume ubuntu-vg/ubuntu-lv changed from <58.50 GiB (14975 extents) to 118.49 GiB (30334 extents). Logical volume ubuntu-vg/ubuntu-lv successfully resized. ++ - 讓擴充立即生效 resize2fs /dev/ubuntu-vg/ubuntu-lv df -h * ++看參考畫面| root@dockur-win:~# resize2fs /dev/ubuntu-vg/ubuntu-lv resize2fs 1.45.5 (07-Jan-2020) Filesystem at /dev/ubuntu-vg/ubuntu-lv is mounted on /; on-line resizing required old_desc_blocks = 8, new_desc_blocks = 15 The filesystem on /dev/ubuntu-vg/ubuntu-lv is now 31062016 (4k) blocks long. root@dockur-win:~# df -h Filesystem Size Used Avail Use% Mounted on udev 7.8G 0 7.8G 0% /dev tmpfs 1.6G 1.3M 1.6G 1% /run /dev/mapper/ubuntu--vg-ubuntu--lv 117G 6.9G 105G 7% / 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/sda2 1.5G 209M 1.2G 16% /boot /dev/loop0 62M 62M 0 100% /snap/core20/1328 /dev/loop2 44M 44M 0 100% /snap/snapd/14978 /dev/loop1 68M 68M 0 100% /snap/lxd/21835 tmpfs 1.6G 0 1.6G 0% /run/user/1000 /dev/loop3 92M 92M 0 100% /snap/lxd/24061 ++