Sar -j

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 -j { SID | ID | LABEL | PATH | UUID | ... }
             Display persistent device names. Use this option in
             conjunction with option -d. Keywords ID, LABEL, etc.
             specify the type of the persistent name. These keywords
             are not limited, only prerequisite is that directory with
             required persistent names is present in /dev/disk.
             Keyword SID tries to get a stable identifier to use as the
             device name. A stable identifier won't change across
             reboots for the same physical device. If it exists, this
             identifier is normally the WWN (World Wide Name) of the
             device, as read from the /dev/disk/by-id directory.


See also[edit]

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