14 Discovery of block devices

    Item key

    The item key to use in the is

    You may create discovery rules using this discovery item and:

    • filter: {#DEVNAME} matches - to discover devices named “sd0”, “sd1”, “sd2”, …
    • filter: {#DEVTYPE} matches disk AND {#DEVNAME} does not match ^loop.* - to discover disk type devices whose name does not start with “loop”

    Supported macros

    1. [ 
    2.           { 
    3.              "{#DEVNAME}":"loop1",
    5.           { 
    6.              "{#DEVNAME}":"dm-0",
    7.              "{#DEVTYPE}":"disk"
    8.           },
    9.           { 
    10.              "{#DEVNAME}":"sda",
    11.           },
    12.           { 
    13.              "{#DEVNAME}":"sda1",
    14.              "{#DEVTYPE}":"partition"
    15.           }
    16.        ]

    Block device discovery allows to use and vfs.dev.write[] items to create item prototypes using the {#DEVNAME} macro, for example:

    • “vfs.dev.read[{#DEVNAME},sps]“