Command to check LUN details on a Linux server

Logical Unit Number (LUN) is part of Storage Management in Oracle Automated Storage Management (ASM).

Below command is useful to check the available LUN's on a linux server.

As root user,

Run the command ls -la /dev/disk/by-id/  


Sample Output below:

[root@erptestdb ~]# ls -la /dev/disk/by-id/
total 0
drwxr-xr-x 2 root root 240 Jan 29 16:17 .
drwxr-xr-x 6 root root 120 Jan 29  2018 ..
lrwxrwxrwx 1 root root   9 Jan 29  2018 scsi-3******************************** -> ../../sdd
lrwxrwxrwx 1 root root  10 Jan 29 15:40 scsi-3********************************-part1 -> ../../sdd1
lrwxrwxrwx 1 root root   9 Jan 29  2018 scsi-3******************************** -> ../../sdf
lrwxrwxrwx 1 root root  10 Jan 29 16:17 scsi-3********************************-part1 -> ../../sdf1
lrwxrwxrwx 1 root root   9 Jan 29  2018 scsi-3******************************** -> ../../sdc
lrwxrwxrwx 1 root root  10 Jan 29 15:40 scsi-3********************************-part1 -> ../../sdc1
lrwxrwxrwx 1 root root   9 Jan 29  2018 scsi-3********************************-> ../../sdb
lrwxrwxrwx 1 root root  10 Jan 29 15:40 scsi-3********************************-part1 -> ../../sdb1
lrwxrwxrwx 1 root root   9 Jan 29  2018 scsi-3******************************** -> ../../sde
lrwxrwxrwx 1 root root  10 Jan 29 15:40 scsi-3********************************-part1 -> ../../sde1
[root@erptestdb ~]#