我继承了一台较旧的 HPC，它需要更多存储空间。但我在这里远远超出了我的深度。首先，我首先尝试了解我所拥有的东西。但我不明白与 Here's partedparted相比的输出：df
parted -l
Model: DELL PERC H710 (scsi)
Disk /dev/sda: 146GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 525MB 524MB primary ext4 boot
2 525MB 146GB 146GB primary lvm
Model: DELL PERC H710 (scsi)
Disk /dev/sdb: 1979GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 1979GB 1979GB primary raid
Model: DELL PERC H710 (scsi)
Disk /dev/sdc: 1979GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 1979GB 1979GB primary raid
Model: DELL PERC H710 (scsi)
Disk /dev/sdd: 1979GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 1979GB 1979GB primary raid
Model: DELL PERC H710 (scsi)
Disk /dev/sde: 60.6GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 1049kB 525MB 524MB primary ext4 boot
2 525MB 60.6GB 60.0GB primary ext4
Model: DELL PERC H710 (scsi)
Disk /dev/sdf: 10.8TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 10.8TB 10.8TB ext4
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_data-data: 3518GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 3518GB 3518GB ext4
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_data-home: 2199GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 2199GB 2199GB ext4
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_geneiousserver-lv_root: 141GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 141GB 141GB ext4
Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/vg_geneiousserver-lv_swap: 4295MB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 4295MB 4295MB linux-swap(v1)
Model: Seagate Expansion Desk (scsi)
Disk /dev/sdg: 4001GB
Sector size (logical/physical): 4096B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 4001GB 4001GB primary
Model: Seagate Expansion Desk (scsi)
Disk /dev/sdh: 4001GB
Sector size (logical/physical): 4096B/4096B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 4001GB 4001GB primary
这是 df：
df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 252G 0 252G 0% /dev
tmpfs 252G 0 252G 0% /dev/shm
tmpfs 252G 43M 252G 1% /run
tmpfs 252G 0 252G 0% /sys/fs/cgroup
/dev/mapper/vg_geneiousserver-lv_root 129G 15G 109G 12% /
/dev/sdf1 9.8T 8.5T 836G 92% /home
/dev/sda1 477M 332M 117M 75% /boot
/dev/mapper/vg_data-data 3.2T 3.0T 240K 100% /home2
/dev/mapper/vg_data-home 2.0T 376G 1.6T 20% /var
tmpfs 51G 12K 51G 1% /run/user/42
tmpfs 51G 0 51G 0% /run/user/1006
tmpfs 51G 0 51G 0% /run/user/1028
tmpfs 51G 0 51G 0% /run/user/1044
答案1
下面的设备/dev/mapper被映射，即几个分区（甚至是物理上分离的硬盘）被组合成一个（或多个）虚拟分区。
我认为你应该能够弄清楚你是如何以及在哪里sd[b-e,g-h]与lsblk和 dmsetup deps -o /dev/mapper/<device-name>。也许dmsetup ls --tree应该更好。