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Simple shell script for find raw device name from LVM, file, directory

$ sudo ./find_rdev /dev/mapper/centos-root
/dev/sda3
/dev/sdb2

$ sudo ./find_rdev  /boot
/dev/sda2

$ sudo ./find_rdev /etc/fstab
/dev/sda3
/dev/sdb2

LVM included mdadm device case :
# pvs
  PV         VG     Fmt  Attr PSize  PFree 
  /dev/md0   centos lvm2 a--  15.98g 15.98g
  /dev/sda2  centos lvm2 a--  <7.00g     0 
  /dev/sdb1  centos lvm2 a--  <8.00g     0 


$ sudo ./find_rdev /dev/md0 
/dev/sdc
/dev/sdd

$ sudo ./find_rdev /
/dev/sda2
/dev/sdb1
/dev/sdc
/dev/sdd


2018/04/07 09:37 2018/04/07 09:37
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