How to fix HFS plus invalid secondary volume header error?

Posted by Katrina to Mac Data Recovery on January 30th, 2018

Help! I have a problem mounting HFS plus external hard drive. To fix the problem, I ran Disk Utility and got the error message: "invalid secondary volume header". I worry about my working files stored on the external hard drive so much. What is HFS plus invalid secondary volume header? How to fix HFS plus invalid secondary volume header error without losing data?

Can't mount HFS plus hard drive with invalid secondary volume header? Worry about data loss on the unmountable HFS plus hard drive? Want to know how to fix HFS plus invalid secondary volume header error? Just relax and read on. After reading this passage, you will get the best solution.

What is invalid secondary volume header?

Invalid secondary volume header indicates that the copy of volume header is corrupted. As each volume header contains important information of individual hard drive volume, if the volume header is damaged, this hard drive volume turns to be unmountable. To avoid this trouble, there is a copy of volume header called the secondary volume header, which can be used to mount the volume as well when the volume header is corrupted.

What causes invalid secondary volume header error?

Invalid secondary volume header error often results from damaged file system, such as virus attack, hard drive failure, file system corruption, bad sectors or any improper operation on the hard drive.

Fix HFS plus invalid secondary volume header error without losing data

When meeting HFS plus invalid secondary volume header error, we are not allowed to access the hard drive or data stored on the drive. Reformatting the hard drive might be the easiest method we think about. But if we directly reformat the hard drive, all data stored on the drive will be erased. For the security of useful data on the hard drive, we should perform data recovery as soon as possible. Here we highly recommend you free HFS+ data recovery software - iBoysoft Mac Data Recovery.

iBoysoft Mac Data Recovery can recover data after HFS plus invalid secondary volume header error on hard drive, external hard drive, USB drive, SD card, memory card, pen drive, etc. Meanwhile, iBoysoft Mac Data Recovery can also recover data from unreadable hard drive, recover data from unrecognized hard drive, recover data from corrupted hard drive, recover data from unmountable hard drive, recover data from inaccessible hard drive, recover data from uninitialized hard drive, etc. on macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/10.12 Sierra and Mac OS X 10.11/10.9/10.8/10.7.

Tutorial to recover data after HFS plus invalid secondary volume header error with iBoysoft Data Recovery

1. Launch iBoysoft Mac Data Recovery.

2. Select the HFS plus invalid secondary volume header hard drive and click "Next" to start scanning.

Recover data after HFS+ invalid secondary volume header with iBoysoft Mac Data Recovery

Step 3: Preview the scanning results, choose files you want to recover and click "Recover" to recover those files on your Mac.

What's more, iBoysoft Mac Data Recovery is the best APFS data recovery software that can recover lost data from encrypted APFS volume, recover data from formatted APFS drive, recover data from unmountable APFS drive, recover data from unreadable APFS drive, recover data from corrupted APFS drive, recover data from inaccessible APFS drive, recover deleted/lost APFS partition, etc.

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