HFS partition missing may happen because of certain known or unknown factors. Of course HFS is the popular file system of Mac OS X. But Sometimes due to volume header corruption, wrong re-partitioning of drive or deleting HFS partition accidentally etc would lead into unpleasant circumstance including HFS partition missing. In such situation you even lose the access of stored file of that particular volume. But taking certain immediate steps user can avoid cumbersome condition. Once the partition become lost then you should primarily search proper backup which you have ever created before using time machine. By using the time machine backup you can restore HFS partition missing.
But if you haven't backed up the volume earlier and then wandering for other effective way to retrieve way of lost data, in that difficult moment it is suggested to go with third party program. Mac Data Recovery Software is one of the perfect third party solution which comes with total recovery of missing data from Mac volume. The tool is developed with latest and proficient scanning methodology by which it is capable of tackling all kind of issue related to Mac partition. It allows you to retrieve HFS partition missing effectively.