RAID 0+1 DATA RECOVERY     24 hr service allows us to recover your RAID fast RAID data recovery for any size RAID 0+1 array RAID 0+1 recovery for any operating system or platform Free evaluation and no data-no fee policy 96% success rate recovering broken arrays   THE RAID 0+1 RECOVERY PROCESS   Contact ReWave toll-free at 866-739-2835, via email, or submit a  free quote form for RAID 0+1 data recovery.   We are available 24/7. A data recovery technician will immediately assist you with a free price quote for recovery and instructions on how to receive a free evaluation to determine the cause of RAID 0+1 failure.  You can bring your RAID to one of our data recovery labs or ship your RAID to us using our shipping instructions. Upon receipt of your array, a data recovery technician will perform the free evaluation.  You will be contacted with the results and given the choice to move forward with the recovery.  The actual recovery process will then begin and could take as little as 24 hours.   WHAT IS RAID 0+1?   RAID 0+1 uses a minimum of four drives.   Additional drives must be added in even numbers.  If four drives are used, a pair is first striped as in a RAID 0 and then is mirrored as in RAID 1.  The total storage capacity is calculated by summing the storage capacity of all the drives in the array and dividing it in half.   For this reason, RAID 0+1 can be very expensive.  This level does offer increased performance over some of the other RAID levels due to the striping that takes place.  Because there is a mirrored copy of the stripe set, a RAID 0+1 array allows the failure of one or more drives as long as the failure of each occurs in the same stripe set.  When this type of drive failure occurs, the RAID 0+1 essentially becomes a RAID 0 and is vulnerable to drive failures in the mirrored copy. A RAID 0+1 array is typically used in servers that demand high performance.  It is also used in high capacity external hard drives.    For more information about devices with built-in RAID 0+1 technology, click here. The following diagram illustrates a RAID level 0+1 (a mirror of stripes).     WHAT CAUSES RAID 0+1 FAILURE?   There can be many reasons for RAID 0+1 failure.  Listed below are some of the most common:   Bad Sectors in the RAID 0+1 Missing Partitions RAID 0+1 Drive Failure Corrupt Data in the RAID 0+1 Overwritten Files RAID 0+1 Failure Corrupt Files in the RAID 0+1 RAID 0+1 Backup Unsuccessful RAID 0+1 Firmware Failure Corrupt RAID 0+1 Controller RAID 0+1 Broken RAID 0+1 Power Failure Damaged Files in the RAID 0+1 RAID 0+1 Controller Failure RAID 0+1 Power Surge Deleted Files in a RAID 0+1 RAID 0+1 Crash RAID 0+1 Rebuild Failure Failed RAID 0+1 RAID 0+1 Crashed RAID 0+1 Won't Boot MFT Corruption RAID 0+1 Disk Failure Server Crash   WHAT TO DO IF YOU EXPERIENCE A RAID 0+1 FAILURE   If you experience problems with your RAID 0+1 array, please do not attempt to correct the problem yourself.   By taking matters into your own hands, you could overwrite parity data making RAID recovery more difficult.  Please follow the steps below and contact ReWave for assistance at 866-739-2835. STEP 1   Turn off your RAID 0+1 device immediately.  This ensures that no additional data can be written to the array, which could overwrite the data you are trying to recover.  STEP 2   Document the series of events that occurred causing RAID 0+1 failure.  Try to make notes if possible documenting any problems that occurred and the efforts that were made to solve the problems.  If you remove the drives from the array, it is important to label the drives with the same order in which they existed in the array. This will save our data recovery team a significant amount of time when piecing the array back together to recover the data. STEP 3   Contact ReWave immediately.  Our data recovery team is available 24/7 to assist you with RAID recovery at 866-739-2835.

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