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RAID Data Recovery ECO Data Recovery
RAID Data Recovery by ECO Data Recovery is one of the most optimistic scenarios even when a hard drive has suffered from mechanical failure. If you do find yourself with a failed hard drive (or two) from a RAID 1, 5, or 10 RAID array, ECO Data Recovery can recover your RAID, SAN, NAS, or Snap Server. We run multiple, terabyte capable servers to tackle the larger RAID’s that arrive here for RAID data recovery.
Important: Never Re-initialize your RAID array!
Call for Immediate Quote 800-339-3412
Emergency Phone After Hours EST 561-758-8404 / 561-818-4498
Emergency Phones are available up to 9pm EST
RAID Data Recovery Service
RAID 0, 1, 5 or 10
In this day and age, with the amounts of data being created daily, there are more and more companies utilizing large storage units. There is NO data recovery company that has more RAID Data Recovery experience with and recovering data from RAID devices that ECO Data Recovery!
“You may only have ONE chance to recover your RAID”
Trust the professionals at ECO Data Recovery!
What is a RAID (Redundant Array of Independent Disks) ?
RAID Data Recovery – RAID 0 :
(Also known as “Striped” or “Spanned” Volume)
All the disk devices are organized alternatively so that blocks are taken equally from all disks alternatively, in order to reach higher efficiency. Since the probability of finding a block of a file is identical for all disks, there are force to work simultaneously thus making the performance of the Meta disk almost 10 times that of a single disk.
RAID Data Recovery – RAID 1:
(“Mirroring” or “Mirrored Set”)
In this mode, the goal is to reach the highest security of the data. Blocks of data are duplicated in all physical disks (each block of the virtual disk has a duplicate in each of the physical disks). This configuration provides 10 times the reading performance of a single device, but it degrades writing operations. Read operations can be organized to read 10 blocks simultaneously, one from each device at a time. Similarly when writing 1 block it has to be duplicated 10 times, one for each physical device. There is no advantage in this configuration regarding storage capacity.
RAID Data Recovery – RAID 10 :
In this mode the ultimate goal is to balance the advantages of the type RAID 0 and RAID 1. Data is organized mixing both methods. The physical 1 to N-1 are organized in striping mode (RAID 0) and the Nth stores the parity of the individual bits corresponding to blocks 1 to N-1. If any of the disks fails, it is possible to recover by using the parity information on the Nth hard disk. Efficiency during read operations is N-1 and during write operations is 1/2 (because writing a data block now involves writing also to the parity disk). In order to restore a broken hard disk, one only has to re-read the information and re-write it (it reads from the parity disk but it writes to the newly install hard disk).
RAID Recovery – RAID 6 :
Block-level striping with double distributed parity. Provides fault tolerance from two drive failures and array continues to operate with up to two failed drives. This makes larger RAID groups more practical, especially for high-availability systems. This becomes increasingly important as large-capacity drives lengthen the time needed to recover from the failure of a single drive. Single-parity RAID levels are as vulnerable to data loss as a RAID 0 array until the failed drive is replaced and its data rebuilt. The larger the drive, the longer the rebuild will take. Double parity gives time to rebuild the array without the data being at risk if a single additional drive fails before the rebuild is complete.
RAID Server is NOT Data Backup!
A RAID system used as a main drive is not a replacement for backing up data. Data may become damaged or destroyed without harm to the drive(s) on which they are stored. For example, some of the data may be overwritten by a system malfunction; a file may be damaged or deleted by user error or malice and not noticed for days or weeks. RAID can also be overwhelmed by catastrophic failure. If your RAID exceeds its recovery capacity and, of course, the entire array is at risk of physical damage by fire, natural disaster, or human forces. RAID Servers are vulnerable to controller failure since it is not always possible to migrate a RAID to a new controller without data loss.
RAID drives can make an excellent source of data storage when employed as backup devices to main storage, and particularly when located offsite from the main systems. However, the use of RAID as the main storage solution cannot replace backups.
RAID Data Recovery In The Event of a Failed Array
With larger disk capacities the odds of a disk failure during rebuild are not negligible. In that event the difficulty of extracting data from a failed array must be considered. Only RAID 1 stores all data on each disk. Although it may depend on the controller, some RAID 1 disks can be read as a single conventional disk. If the damage is more severe, data can often be recovered by professional drive specialists. RAID 5 and other striped or distributed arrays present much more formidable obstacles to data recovery in the event the array goes down. RAID Data Recovery by ECO Data Recovery has over 20 years experience recovering all RAID Servers.
Call for Immediate Quote 800-339-3412 / 561-691-0019