RAID and NAS Data Recovery
Dedicated Raid systems
are typically found in servers and are implemented by using a dedicated RAID controller card or the in-built functionality contained on modern server motherboards and allow for data to span multiple drives as can be seen with image right
NAS systems
are typically used as backup systems for smaller enterprises and the RAID is implemented in software via the Linux operating system which is slower that dedicated RAID controllers.
It should be noted that NAS raid devices should be used as a backup device and not as a primary storage option.
RAID levels
RAID 0 – is used mainly to increase system performance as compared to a single disk. RAID 0 recovery is relatively simple however if one of the disks is unreadable data recovery is awkward.
RAID 1 – are mirrored drives to enable redundancy and is easy to recover .
RAID 0+1 , same as RAID 1+0 is based on mirroring and striping techniques. . Such arrays will survive a single disk failure and can survive multiple disk failures .
RAID 5 – sometimes called stripe set with parity – RAID 5 recovery is more complicated than for RAID 0, but the data can still be recovered if one of the disks had failed.
RAID 6 . RAID 6 recovery is very complex.
We use a variety of software tools to recover data from damaged RAID’s.
DiskInternals – DiskInternals Raid Recovery
Runtime – Runtime RAID Reconstructor
ReclaiMe RAID – ReclaiMe Free RAID Recovery build 301
R-Studio – R-Studio
ZAR – Zero Assumption Recovery version 8.5
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Some of our Success Stories
Case of the Missing Nikon NEF files
Sd Card corrupted with No NEF FILES. A client came to me after a holiday in Egypt saying that the SD-CARD he had been using was somehow corrupted. The client was using a Nikon D3300 camera and there were some jpegs and but no NEF files on the card. The client was...
Virtual Machines and Data Recovery
For personal use, virtualization enables users to run different operating systems(opens in on their home PC, such as running Windows on a Mac(, or running Linux on a Windows PC - and with all possible permutations in host and VM available A main reason for running a...
Data Recovery from a Mac Computer that won’t boot
In the windows world data recovery from a laptop or desktop is usually an uncomplicated affair. You can simply remove the drive be it a SSD drive with an M2 interface , see pic below left or an SSD or spinning drive connected to a SATA interface , see pic...