$ diskutil list
:
:
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *62.9 GB disk1
1: Windows_NTFS 62.8 GB disk1s1
一旦、マウント解除
$ diskutil umount /dev/disk1s1
Volume (null) on disk1s1 unmounted
$ diskutil umount /dev/disk1
disk1 was already unmounted or it has a partitioning scheme so use "diskutil unmountDisk" instead
OSイメージをSDカードにコピー
$ sudo dd bs=1m if=/Users/"user"/Downloads/2016-03-18-raspbian-jessie.img of=/dev/disk1
3847+0 records in
3847+0 records out
4033871872 bytes transferred in 18469.247210 secs (218410 bytes/sec)
思った以上に時間がかかった。
確認。
$ diskutil list
:
:
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *62.9 GB disk1
1: Windows_FAT_32 boot 62.9 MB disk1s1
2: Linux 4.0 GB disk1s2