RAID 1, also known as mirroring, is a RAID configuration where the data stored on one disk is mirrored exactly onto another disk. A RAID 1 mirrored configuration can be created using multiple RAID disks.
RAID 1 configuration provides a high level of redundancy, as the data stored on one disk is duplicated exactly onto another disk. If the primary disk fails, access to data can continue from the mirrored disk.
Multiple disk RAID 1 array is set-up to store data across multiple disks and mirror this onto another set of multiple disks. Although this gives very high level of protection against data loss, this type of configuration is a very inefficient use of disk space, where half the available storage is dedicated to mirroring.
Data loss from RAID 1 mirrored configuration is still a possibility, if both the source and duplicate disk containing the data, fail at the same time.
DiskEng can still recover your data from RAID 1 failures. Once the failed source and duplicate disks are received into our laboratories, our data recovery specialists can quickly determine the best options and attempt a full disk recovery on the RAID 1 mirrored disk set.
Although RAID 1 provides 100% redundancy, RAID 1 systems must still be used with caution. We have recovered data from many types of RAID disk failures with some from RAID 1 mirrored set-ups.
As we know from our disk recovery services, RAID storage disks can still fail for a number of reasons, such as:
- Power surge
- Multiple disk failures
- Damaged operating system
- Corrupt file systems
If you require recovery of data from a RAID 1 system, we can help. Contact our data recovery specialists to discuss your problem.