Описание формата:
shelf/ip/uptime:1000
shelf/ip/pool/rpool/health:ONLINE
shelf/ip/pool/rpool/vdev:ONLINE
shelf/ip/disk/vdev/vid:xxx
shelf/ip/disk/vdev/pid:xxx
shelf/ip/disk/vdev/rev:xxx
shelf/ip/disk/vdev/serial:xxx
shelf/ip/disk/vdev/size:xxx
shelf/ip/disk/vdev/smart/read:0
shelf/ip/disk/vdev/smart/write:0
shelf/ip/disk/vdev/smart/verify:0
shelf/ip/disk/vdev/enc:0
shelf/ip/disk/vdev/slot:0
