Send the following on WhatsApp
Continue to ChatRAID Style Backup in 1 Compact Flash Card http://stephenleung.idv.hk/2013/06/01/raid-style-backup-in-1-compact-flash-card/
RAID Style Backup in 1 Compact Flash Card http://stephenleung.idv.hk/2013/06/01/raid-style-backup-in-1-compact-flash-card/