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Make sure to start the recovery process as soon as possible – but not before you fully understand all the necessary safety precautions.

RAID 4 – the successor of RAID 3, their difference being that now the block size can exceed 1 (one) byte.The complete safety of your information is our top priority.

This, however, means more wear and tear for the parity drive.

RAID 3 is similar to RAID 5, but with one drive allocated to store drive parity information instead of striping parity across all drives.

It is based on Hamming code and is relevant for systems combining large numbers of disks.

RAID 2 combines two groups of disks, one containing data and the other containing error correcting code.

RID 6 is used to increase disk space, boost read and write speeds, and improve reliability over the level provided by RAID 5. It can restore itself automatically even if 2 (two) disks fail.

RAID 6 – data striping with double parity.

The difference between 5EE and 5E is that the former array includes a hot spare drive that is actively used in the array operations.

RAID 5E and 5EE (types similar to RAID 5, but with an extra hot spare drive sitting next to the array waiting for a drive to fail).

RAID-z, RAID-z2, RAID-z3 – the technology of combining data storage devices into a single storage developed by the Sun Company.

SHR, SHR-2 (Synology Hybrid RAID) – is Synology's automated RAID management system.

The idea is to gain a disk performance boost, more disk space, and protect data against loss.

RAID 5 – data striping with saving checksums (parity).

RAID 1E (1 + 0 combined, striped mirroring).

This array type is designed to protect data from loss caused by disk failures.

RAID 1 – mirroring (copying) data to all disks within the array.

This array type is used to increase available space and gain faster access time.

RAID 0 – striping the data written to blocks across two disks or more.

This array type is used to increase available space.

When one disk is full, data will be written to another one. JBOD – combining several disks sequentially into one larger logical one.

Our program supports disk arrays created both with the help of the features offered by the specific operating system or motherboard, and with specialized controllers / external storage solutions provided by various manufacturers.

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