MOS Configuration:
        version: 5000
        name: 'tank'
        state: 0
        txg: 7044
        pool_guid: 6053652858991482831
        errata: 0
        hostid: 1159271288
        hostname: 'xubuntu-dtrain'
        com.delphix:has_per_vdev_zaps
        vdev_children: 2
        vdev_tree:
            type: 'root'
            id: 0
            guid: 6053652858991482831
            create_txg: 4
            children[0]:
                type: 'mirror'
                id: 0
                guid: 5190426956272548309
                whole_disk: 0
                metaslab_array: 256
                metaslab_shift: 31
                ashift: 12
                asize: 320058425344
                is_log: 0
                create_txg: 4
                com.delphix:vdev_zap_top: 130
                children[0]:
                    type: 'disk'
                    id: 0
                    guid: 15610979259560136972
                    path: '/dev/disk/by-id/ata-TOSHIBA_MQ04UBB400_X35DT1G8T-part2'
                    whole_disk: 0
                    create_txg: 4
                    com.delphix:vdev_zap_leaf: 129
                children[1]:
                    type: 'disk'
                    id: 1
                    guid: 2305191355326932392
                    path: '/dev/disk/by-id/ata-ST320DM000-1BC14C_6VMYWYSM-part1'
                    devid: 'ata-ST320DM000-1BC14C_6VMYWYSM-part1'
                    phys_path: 'pci-0000:00:14.0-usb-0:2:1.0-scsi-0:0:0:0'
                    whole_disk: 1
                    DTL: 290
                    create_txg: 4
                    com.delphix:vdev_zap_leaf: 159
                    com.datto:resilver_defer
                    resilver_txg: 7015
            children[1]:
                type: 'mirror'
                id: 1
                guid: 5425164296915712944
                whole_disk: 0
                metaslab_array: 512
                metaslab_shift: 33
                ashift: 12
                asize: 1000189984768
                is_log: 0
                create_txg: 19
                com.delphix:vdev_zap_top: 385
                children[0]:
                    type: 'disk'
                    id: 0
                    guid: 17871898136386863973
                    path: '/dev/disk/by-id/ata-WDC_WD10EADS-114BB1_WD-WCAV5L485912-part1'
                    devid: 'ata-WDC_WD10EADS-114BB1_WD-WCAV5L485912-part1'
                    phys_path: 'pci-0000:00:14.0-usb-0:1:1.0-scsi-0:0:0:0'
                    whole_disk: 1
                    create_txg: 19
                    com.delphix:vdev_zap_leaf: 384
                children[1]:
                    type: 'disk'
                    id: 1
                    guid: 14487277789424766613
                    path: '/dev/disk/by-id/usb-Iomega_E_xternal_HD_FF310005200000000000009FF0F1FF-0:0-part1'
                    devid: 'usb-Iomega_E_xternal_HD_FF310005200000000000009FF0F1FF-0:0-part1'
                    phys_path: 'pci-0000:00:14.0-usb-0:3:1.0-scsi-0:0:0:0'
                    whole_disk: 1
                    DTL: 4
                    create_txg: 19
                    com.delphix:vdev_zap_leaf: 3
                    resilver_txg: 7004
        features_for_read:
            com.delphix:hole_birth
            com.delphix:embedded_data