Write access for this media is not available.

How to use TestDisk to recover lost partition
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tasca
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Joined: 10 Jun 2016, 08:35

Write access for this media is not available.

#1 Post by tasca » 10 Jun 2016, 08:44

Hey guys,

Im trying to recover my exFAT partition from my Lacie RAID0 using a 2015 iMac. Here is what confused me.
========================
TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org

Disk /dev/rdisk2 - 6001 GB / 5589 GiB (RO)

Write access for this media is not available.
TestDisk won't be able to modify it.

- No partition from this disk must be mounted:
Open the Disk Utility (In Finder -> Application -> Utility folder)
and press Unmount button for each volume from this disk
- This media may be physically write-protected, check the jumpers.





>[ Continue ] Continue even if write access isn't available
[ Quit ] Return to disk selection
=======================
It said that write access for this media is not available. I enter my password when I opened the testdisk, which, I think, will give the program admin privilege.

I chose continue and analysis the disk, and find my exFAT partition, and I can copy the file from that partition. But when I chose WRITE option later on, it said "Partition: Write error", i tried three time with the same error.

Is there anything I can do to solve this? Need help! thx =P

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cgrenier
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Re: Write access for this media is not available.

#2 Post by cgrenier » 11 Jun 2016, 08:01

Mac OS X will not let you modify a disk if a partition is mounted.
Start a Terminal and run "mount". If a partition from this device is listed, use "umount /media/xxx" (adjust the command) to unmount the device and try again testdisk.

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