LVKS使用什么分区？

我试图找出什么分区DMX的。 它在/ dev / sdaX上，但哪个X？ 我错过了什么？ 我知道必须有一种方法来找出这一点。 我需要增长我的物理音量，但是直到我知道要触摸哪个分区才能完成。 以下是我迄今为止所尝试的：

root@debian:~# ls /dev/sda* /dev/sda /dev/sda1 /dev/sda2 /dev/sda5 root@debian:~# ls -l /dev/mapper/* crw------- 1 root root 10, 59 Jan 24 15:33 /dev/mapper/control lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/debian-home -> ../dm-6 lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/debian-root -> ../dm-1 lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/debian-swap_1 -> ../dm-4 lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/debian-tmp -> ../dm-5 lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/debian-usr -> ../dm-2 lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/debian-var -> ../dm-3 lrwxrwxrwx 1 root root 7 Jan 24 15:33 /dev/mapper/sda5_crypt -> ../dm-0 root@debian:~# pvs PV VG Fmt Attr PSize PFree /dev/dm-0 debian lvm2 a- 7.76g 0 root@debian:~# pvscan PV /dev/dm-0 VG debian lvm2 [7.76 GiB / 0 free] Total: 1 [7.76 GiB] / in use: 1 [7.76 GiB] / in no VG: 0 [0 ] root@debian:~# pvdisplay --- Physical volume --- PV Name /dev/dm-0 VG Name debian PV Size 7.76 GiB / not usable 1020.00 KiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 1986 Free PE 0 Allocated PE 1986 PV UUID cR4fIF-sUtS-edOh-7bB2-eKgV-jf1H-oHy3Ml