We offer Expert RAID Data Recovery services in Bangalore. RAID stands for Redundant Array of Independent Disks. RAID is the process of recovering and restoring data from a RAID storage architecture or infrastructure. RAID Data Recovery is a Group of Hard Drives, that forms a logical unit & work together to reduce the chance of Data Loss.
We provide Express Service and Expert solution for any RAID data recovery and Server data crash recovery. Our clients are benefited with RAID data recovery & server data crash recovery services.
Most common causes of RAID Data Recovery-
- Hard Drive & Controller failure
- RAID Partition & Formatting
- File Corruption and Virus Attack
- Corruption of circuit board
- Unintentionally deleted data
Now Data experts are highly specialized when it comes to RAID 0 Data Recovery.We have successfully retrieved data from huge RAID systems.
Data is striped at block level when you save files to RAID 5 array. We at Now Data specialize in RAID 5 data recovery services.
The recent success of data recovery from RAID 6 Server, SAS type hard drive of 1 TB each, the total server capacity of 12 TB with 3 hard drive failures. Recovery went successful without losing a single bit of information.
Express RAID Data Recovery:
We have a quick support team to handle damaged RAID data recovery and support for business continuity, The Dedicated Express recovery team can handle the issue by completing analysis in 8 Hours of time with detailed quote and time required for RAID data recovery. The recovery can be handled within 2 Days for a logical section, firmware, electronic and physical or mechanical recovery can be completed within 15 working days.
|Raid Array||Array Description||No. of Drives (Minimum required Hard Disk’s)||Fault Tolerance Performance/Redundancy/Efficiency||RAID Data Recovery|
|RAID 0||Striping||2||High/Low/High Low cost & maximum performance.||Requires all original hard disk’s used in the same array during data loss|
|RAID 1||Mirroring and Duplication||2||Average/High/Low
high performance & fault tolerance
|Requires (n-1) drives of the original hard disk’s used in the array during data loss.|
|RAID 2||Bit-level striping||3||Less used Array structure. Can recover from 1 Drive failure.||Requires (n-1) drive of original array.|
|RAID 3||Byte-level striping||3||Rarely used array, Can Tolerate from 1 drive failure. Suitable for higher transfer rates.||Require (n-1) drive of original array.|
|RAID 4||Block-level striping||3||Fault Tolerance with 1 disk failure. Used in Net App enterprise level company. Normally is replaced with RAID 5 structure.||Require (n-1) drive of original array.|
|RAID 5||Striping with distributed parity||3||Average/High/High
1 disk failure , Popular due to Low Cost of redundancy
|Require (n-1) drive of original array.|
|RAID 6||Striping with double parity||4||Average/High/High
2 simultaneous disk failure. Read operation is good but performance is penalized for write operation
|Require (n-2) drive of original array.|
|RAID 10||Mirroring without parity, and block-level striping||4 (Mirror + Strip) or (Strip + Mirror)||Very High/ Very High/Low
1 disk failure per span
|Require (n-1) drive of original array per individual span.|
Data Loss Symptoms in RAID Array
- Loss of RAID Configuration does not Boot after entering into BIOS Setup.
- RAID is taking too long to rebuild configuration by accident or human error either by replacing the new drive indicating bad disk or damaged disk in the array.
- “CRC Errors”/ Bad Sectors in Hard Disk or “Unrecoverable Read Errors (URE)” during the rebuild.
- “Punctured Sectors”in RAID Array losing configuration & after hot-swap, the configuration is not built.
- Media Level damage in one or more Hard disk in RAID Array.
- “Drive Offline” “Drive Foreign”Error, multiple drive failures in the Array structure making RAID inaccessible.
- Hardware RAID Controller failuredue to power outage or fluctuation & rebuilding failure.
- Hardware corruptiondue to incompatible devices addition or hardware component conflicts.
Precautions in RAID after data crash / loss:
- Don’t replace any of the drives in the array with new hard drive, until sure that remaining drives are healthy.
- Don’t remove the drives and insert it into different slots, RAID will be configured with series on numbers starting from 0,1,2… as misplacing the drives into the different slot will lose its original raid array structure.
- Do not import raid configuration on the controller if more than the spare capacity of drives are replaced.
- Retain original hard drives in the array, if the reconfiguration fails we can make use of the original array and its drives for data recovery, not to replace the drives with vendors.
- Label each hard drive by its series, Ex: 0,1,2,3 as per the original configuration.