Mac OSX supports external devices to create backup, store your data, or for installing an OS. You can access data from external hard disk by simply attaching them and then using mount command to mount them. However, in some situations, an external hard disk is mysteriously un-mounted by Mac OS X Machine, while storing data to or accessing data from the disk.
This sudden behavior of Mac OS X makes your hard disk inaccessible and cause severe data loss. In order to get your valuable data recovered in such cases, you need to go for Mac data recovery solutions, if there is no updated backup in place.
Some times you comes across below error messages while working
“Mount: wrong FS type, bad option, bad superblock on /dev/hdb1,
Missing code page or other error
In some cases useful info is found in syslog- try dmesg tail or so”
Or
“Unknown device”
This means that you either have to ‘Initialize’ your Mac OS X hard drive or to ‘Cancel’ the ongoing process, this whole scenario can leads to inaccessibility to your data . To retrieve data from the hard disk, you need to find the main reason behind this behavior of your machine and after finding that you need to perform File recovery mac operation by the use of data recovery software's available in the market.
Main reason behind the issue
As mentioned above, the problem is generally due to corruption to the superblock corruption which may be caused by various reasons, like improper system shutdown,virus infection and operating system malfunction
How to resolve it
In order to sort out the problem in Mac OS, you need to get your damaged data structures replaced by formatting the hard disk and reinstalling OS. However, it removes all the data from hard disk and create needs of Mac file recovery software.
This sudden behavior of Mac OS X makes your hard disk inaccessible and cause severe data loss. In order to get your valuable data recovered in such cases, you need to go for Mac data recovery solutions, if there is no updated backup in place.
Some times you comes across below error messages while working
“Mount: wrong FS type, bad option, bad superblock on /dev/hdb1,
Missing code page or other error
In some cases useful info is found in syslog- try dmesg tail or so”
Or
“Unknown device”
This means that you either have to ‘Initialize’ your Mac OS X hard drive or to ‘Cancel’ the ongoing process, this whole scenario can leads to inaccessibility to your data . To retrieve data from the hard disk, you need to find the main reason behind this behavior of your machine and after finding that you need to perform File recovery mac operation by the use of data recovery software's available in the market.
Main reason behind the issue
As mentioned above, the problem is generally due to corruption to the superblock corruption which may be caused by various reasons, like improper system shutdown,virus infection and operating system malfunction
How to resolve it
In order to sort out the problem in Mac OS, you need to get your damaged data structures replaced by formatting the hard disk and reinstalling OS. However, it removes all the data from hard disk and create needs of Mac file recovery software.
