我有以下磁盘 lsblk
lsblk
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 63,9M 1 loop /snap/core20/2182
loop1 7:1 0 63,9M 1 loop /snap/core20/2264
loop2 7:2 0 87M 1 loop /snap/lxd/27948
loop3 7:3 0 87M 1 loop /snap/lxd/27428
loop4 7:4 0 39,1M 1 loop /snap/snapd/21184
loop5 7:5 0 38,7M 1 loop /snap/snapd/21465
sda 8:0 1 931G 0 disk
├─sda1 8:1 1 1G 0 part /boot/efi
├─sda2 8:2 1 2G 0 part /boot
└─sda3 8:3 1 927,9G 0 part
└─ubuntu--vg-ubuntu--lv 253:0 0 100G 0 lvm /
sr0 11:0 1 1024M 0 rom
为什么 sda1-3 的总和超过 100GB 时却显示我的 LV 只有 100GB？
lspci -knn | grep 'RAID bus controller'
01:00.0 RAID bus controller [0104]: Adaptec Series 8 12G SAS/PCIe 3 [9005:028d] (rev 01)
lsscsi
[0:0:0:0] disk ASR8405 Raid1 Mirror V1.0 /dev/sda
[0:1:0:0] disk ATA PNY 1TB SATA SSD 215a -
[0:1:1:0] disk ATA PNY 1TB SATA SSD 215a -
[2:0:0:0] cd/dvd ASUS DRW-24D5MT 2.00 /dev/sr0
希望你能帮助我，不幸的是我对这些东西一无所知 :-(
我尝试过分开
(parted) print all
Model: ASR8405 Raid1 Mirror (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 1128MB 1127MB fat32 boot, esp
2 1128MB 3276MB 2147MB ext4
3 3276MB 1000GB 996GB
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/ubuntu--vg-ubuntu--lv: 107GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0,00B 107GB 107GB ext4
(parted) resizepart 3 996G
Warning: Shrinking a partition can cause data loss, are you sure you want to continue?
Yes/No? No
(parted)
但为了不丢失数据，我也不敢继续，因为我不知道这是否是我面临的问题。
好的现在我试过了
lvdisplay
--- Logical volume ---
LV Path /dev/ubuntu-vg/ubuntu-lv
LV Name ubuntu-lv
VG Name ubuntu-vg
LV UUID 1lveHV-7kL0-UcbK-3AoX-Oczm-3l1t-rFVpY3
LV Write Access read/write
LV Creation host, time ubuntu-server, 2024-02-12 19:05:57 +0100
LV Status available
# open 1
LV Size 100,00 GiB
Current LE 25600
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
lvextend -L +996G /dev/ubuntu-vg/ubuntu-lv
Insufficient free space: 254976 extents needed, but only 211951 available
lvextend -L +211951 /dev/ubuntu-vg/ubuntu-lv
Rounding size to boundary between physical extents: 206,98 GiB.
Size of logical volume ubuntu-vg/ubuntu-lv changed from 100,00 GiB (25600 extents) to 306,98 GiB (78588 extents).
Logical volume ubuntu-vg/ubuntu-lv successfully resized.
好的，这对我有用
lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
Size of logical volume ubuntu-vg/ubuntu-lv changed from 306,98 GiB (78588 extents) to 927,93 GiB (237551 extents).
Logical volume ubuntu-vg/ubuntu-lv successfully resized.
但 df -h 根本没有改变
Filesystem Size Used Avail Use% Mounted on
tmpfs 6,3G 3,2M 6,3G 1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv 98G 59G 35G 63% /
tmpfs 32G 0 32G 0% /dev/shm
tmpfs 5,0M 0 5,0M 0% /run/lock
/dev/sda2 2,0G 253M 1,6G 14% /boot
/dev/sda1 1,1G 6,1M 1,1G 1% /boot/efi
tmpfs 6,3G 4,0K 6,3G 1% /run/user/1000
所以我仍然无法使用磁盘空间（即使重新启动后）