RAID Arrays were developed as a form of protection from
data loss and provide large amounts of highly accessible space. RAID's
or "Redundant Array of Inexpensive (or Independant) Disks"
were thought to solve data loss issues by writing the data across several
disks. Then, if one disk was to fail or a logical volume was lost, it
could be rebuilt and restored with minimal loss or downtime. One thing
is certain, eventually it will fail, logical volumes will become corrupt
or lost and you will need raid data recovery.
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Frequently, hardware such as a damaged or bad controller card can
cause a variety of RAID data recovery issues. Here is just a small
list of common problems.
- Lost volume
- Broken arrays
- Physically or Logically Damaged Drives within the Array
- Missing Volume Tables
- Corrupted RAID Configurations
- Lost container
- Volume Corruption
- Multiple Disk Failure
- Controller Failure
- Server Configuration Lost
- Missing Container
- Malicious Damage
- Virus Attack
- Missing Partitions
- Lost Key information
- OS and File System Corruption
- Failed Drive(s)
- Reformat or Reinstallations
Here are just a few of the system types and operating systems we
are able to recovery from.
- Microsoft Based Servers
Common RAID types:
• RAID-0. This technique offers striping but
no redundancy of data. It offers the best performance but no fault-tolerance
and if a drive fails in RAID 0 only repair and reassembly of the volume
will result in a recovery.
• RAID-1. This type is also known as disk mirroring
and consists of at least two drives that duplicate the storage of
data. This may become a problem should you experience a corruption
of data. You will then have 2 copies of bad data. This is recoverable
• RAID-2. This type uses striping across disks
with some disks storing error checking and correcting (ECC) information.
• RAID-3. This type uses striping and dedicates
one drive to storing parity information. Should 2 drives in the system
fail at once, only hard drive repair and volume restoration will result
in a RAID recovery.
• RAID-4. This type uses large stripes, which
means you can read records from any single drive.
• RAID-5. (Most common) This type includes
a rotating parity array. This type requires at least three and usually
five disks for the array but can hold more. Should 2 drives in the
system fail at once only hard drive repair or volume restoration will
result in a recovery
Do not hesitate to contact us anytime night
or day our staff is standing by to handle any of these RAID data recovery