dmsetup deps dependencies concept

Warluck · 12-19-2017, 04:20 PM

Bonjour,
I really do not understand what exactly are dependencies for

dmsetup deps -o servname

I have read the documentation forward and backward (trust me) and I still don't understand what they are.

Anyone cares to explain in plainner english that the doc

Thank you

Warluck · 12-20-2017, 08:04 PM

It represent the number of path to the device :

my_server# dmsetup status my_lun
0 83886720 multipath 2 0 0 0 1 1 A 0 2 0 66:144 A 0 65:16 A 0

my_server# dmsetup deps -o devno my_lun
2 dependencies : (65, 16) (66, 144)