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Diagram of a RAID 1 setup. RAID 1 consists of an exact copy (or mirror) of a set of data on two or more disks; a classic RAID 1 mirrored pair contains two disks.This configuration offers no parity, striping, or spanning of disk space across multiple disks, since the data is mirrored on all disks belonging to the array, and the array can only be as big as the smallest member disk.
The rated speed using the dual SATA2 links is not given by the manufacturer. When using both SATA2 links, the physical drive can be configured as a RAID 0 array with two devices with half of maximum capacity. In RAID 0 mode, the read and write speeds are reported to be more than twice those that are claimed by the manufacturer. [7]
RAID (/ r eɪ d /; redundant array of inexpensive disks or redundant array of independent disks) [1] [2] is a data storage virtualization technology that combines multiple physical data storage components into one or more logical units for the purposes of data redundancy, performance improvement, or both.
Because heat and vibration limit rotational speed, increasing density has become the main method to improve sequential transfer rates. [36] Areal density (the number of bits that can be stored in a certain area of the disk) has been increased over time by increasing both the number of tracks across the disk, and the number of sectors per track.
As of 2020, it includes a RAID system capable of RAID levels 0, 1, 5, and 10, a block level SSD caching accelerator ("Smart Response Technology") with support for write-back and write-through modes for speed or data protection of any disk or RAID array, and support for intelligent caching, speedy recovery from certain issues, and for PCI ...
RAID 01, also called RAID 0+1, is a RAID level using a mirror of stripes, achieving both replication and sharing of data between disks. [3] The usable capacity of a RAID 01 array is the same as in a RAID 1 array made of the same drives, in which one half of the drives is used to mirror the other half.
Also shows temperature of CPU, GPU, CPU core speed, Intel Turbo Boost status, CPU power consumption, system load and system fan speeds. Can control speed of GPU and system fans. CrystalDiskInfo: Windows: MIT GUI IDE(PATA), SATA, NVMe eSATA, USB, IEEE 1394: Several RAID controllers [4] Yes No Mail, sound and popup Sister utility to ...
Some SSDs, including the OCZ RevoDrive 3 x2 PCIe using the SandForce controller, have shown much higher sustained write performance that more closely matches the read speed. [9] For example, a typical operating system has many small files (such as DLLs ≤ 128 kB), so SSD is more suitable for system drive.