SATA hard disk problem?
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Users questions:(RAID0, RAID1, RAID0 +1, JBOD) on behalf of all what does it mean
Experts answer:JBODJBOD JustaBunchofDrives, the disk controller of each physical disk as a separate disk, each disk is independent of the logicSeries disk. JBOD does not provide data redundancy. Requires at least one disk. RAID0RAID0 that DataStripping (data striping). The logical drive's data is to be sub-article (stripped) distributed across multiple physical disks can be read * write parallel, enhanceFor the fastest speed, but no redundancy. Requires at least two disks. Through a single logical drive RAID0 can get more capacity, and at the same time by multiple disks for higher access speed reading. RAID0 first consideration is the speed and capacity of the disk, ignore safety, as long asOne disk is a problem, then the whole array of data will be jeopardized. RAID1RAID1, also known as image mode, which is data redundancy. In the course of the entire image, only half of the disk capacity to be effective (other half of the disk capacity to store the same data). With RAID0Comparison, RAID1 first consideration is safety, capacity by half, the speed change. RAID0 +1 in order to achieve both high speed and safe, there RAID10 (or called RAID0 +1), can be simply understood as RAID10 multi-disk RAID0 array and then formed intoLine image. RAID into SCSIRAID, IDERAID and SATARAID. Which, SCSIRAID used that require high performance and high reliability servers * workstations, and desktops mainly IDERAID and SATARAID. Before RAID functions mainly depend on the motherboard plug RAID controller to achieve, but now more and more motherboards onboard RAID chips are added directly to achieve RAID function, RAID chips are now the mainstream of HTP372 HighPoint and Promise of PDC20265R, Intel further, directly on the motherboard chipset supports RAID, ICH5R South Bridge chip on its built SATARAID function, which also represent the future direction of development **- onboard RAID chipset integrated RAID. MatrixRAID: MatrixRAID so-called "Matrix RAID", is supported by the Southbridge ICH6R a cheap disk redundancy, is a highly innovative economy RAID solution. MatrixRAID technology principle is very simple and requires only two drive RAID0 can be achievedAnd RAID1 disk array, and do not need to add additional RAID controller, which is what we expect ordinary users. MatrixRAID need the hardware layer and software layer can be achieved at the same time support, hardware, now is the ICH6R Southbridge and higher order ICH6RW South BridgeAnd IntelApplicationAcclerator software and Windows operating systems are supported on the software layer. MatrixRAID principle is the capacity of each hard disk is divided into two parts (ie: a virtual hard drive into two sub-disk, thenThe total number of sub-Hard 4), in which virtual child with two hard drives to create a RAID0 mode to improve performance, while the other two virtual child disk image backup, through the composition of RAID1 for backup data. In MatrixRAID mode data storage mode as follows: the first two disk drivesSome are used to create the RAID0 array, is mainly used to store the operating system, applications, and exchange files, this is the beginning of the region because of the disk have a higher access speed, MatrixRAID RAID0 logical partitions will be placed on the hard disk front (outer) The main reason is the need for performance canThe modules are the best performance; and two disk drives of the second part of the model used to create RAID1 is mainly used to store user personal files and data. For example, two 120GB hard drives, can be composed of two 120GB hard drives before the 60GB logical partition, and thenThe remaining two blocks, a 60GB 60GB data backup partition. As the need to high-performance, do not require the application of safety, it can be installed in RAID0 partition and need security Backup data can be installed on the RAID1 partition. In other words, users get the total hard disk spaceBetween a 180GB, RAID0 +1, compared with traditional capacity to use very high efficiency, but also has a higher capacity configuration flexibility. In the event of hard disk damage, RAID0 partition data naturally can not be undone, but the RAID1 partition it will be preservation of data. It may be said MatrixRAID technology, we only need two hard drives you can access to efficient data access while ensuring data security. This means that ordinary users can also enjoy low-cost applications RAID0 +1 mode.
Experts answer:JBODJBOD JustaBunchofDrives, the disk controller of each physical disk as a separate disk, each disk is independent of the logicSeries disk. JBOD does not provide data redundancy. Requires at least one disk. RAID0RAID0 that DataStripping (data striping). The logical drive's data is to be sub-article (stripped) distributed across multiple physical disks can be read * write parallel, enhanceFor the fastest speed, but no redundancy. Requires at least two disks. Through a single logical drive RAID0 can get more capacity, and at the same time by multiple disks for higher access speed reading. RAID0 first consideration is the speed and capacity of the disk, ignore safety, as long asOne disk is a problem, then the whole array of data will be jeopardized. RAID1RAID1, also known as image mode, which is data redundancy. In the course of the entire image, only half of the disk capacity to be effective (other half of the disk capacity to store the same data). With RAID0Comparison, RAID1 first consideration is safety, capacity by half, the speed change. RAID0 +1 in order to achieve both high speed and safe, there RAID10 (or called RAID0 +1), can be simply understood as RAID10 multi-disk RAID0 array and then formed intoLine image. RAID into SCSIRAID, IDERAID and SATARAID. Which, SCSIRAID used that require high performance and high reliability servers * workstations, and desktops mainly IDERAID and SATARAID. Before RAID functions mainly depend on the motherboard plug RAID controller to achieve, but now more and more motherboards onboard RAID chips are added directly to achieve RAID function, RAID chips are now the mainstream of HTP372 HighPoint and Promise of PDC20265R, Intel further, directly on the motherboard chipset supports RAID, ICH5R South Bridge chip on its built SATARAID function, which also represent the future direction of development **- onboard RAID chipset integrated RAID. MatrixRAID: MatrixRAID so-called "Matrix RAID", is supported by the Southbridge ICH6R a cheap disk redundancy, is a highly innovative economy RAID solution. MatrixRAID technology principle is very simple and requires only two drive RAID0 can be achievedAnd RAID1 disk array, and do not need to add additional RAID controller, which is what we expect ordinary users. MatrixRAID need the hardware layer and software layer can be achieved at the same time support, hardware, now is the ICH6R Southbridge and higher order ICH6RW South BridgeAnd IntelApplicationAcclerator software and Windows operating systems are supported on the software layer. MatrixRAID principle is the capacity of each hard disk is divided into two parts (ie: a virtual hard drive into two sub-disk, thenThe total number of sub-Hard 4), in which virtual child with two hard drives to create a RAID0 mode to improve performance, while the other two virtual child disk image backup, through the composition of RAID1 for backup data. In MatrixRAID mode data storage mode as follows: the first two disk drivesSome are used to create the RAID0 array, is mainly used to store the operating system, applications, and exchange files, this is the beginning of the region because of the disk have a higher access speed, MatrixRAID RAID0 logical partitions will be placed on the hard disk front (outer) The main reason is the need for performance canThe modules are the best performance; and two disk drives of the second part of the model used to create RAID1 is mainly used to store user personal files and data. For example, two 120GB hard drives, can be composed of two 120GB hard drives before the 60GB logical partition, and thenThe remaining two blocks, a 60GB 60GB data backup partition. As the need to high-performance, do not require the application of safety, it can be installed in RAID0 partition and need security Backup data can be installed on the RAID1 partition. In other words, users get the total hard disk spaceBetween a 180GB, RAID0 +1, compared with traditional capacity to use very high efficiency, but also has a higher capacity configuration flexibility. In the event of hard disk damage, RAID0 partition data naturally can not be undone, but the RAID1 partition it will be preservation of data. It may be said MatrixRAID technology, we only need two hard drives you can access to efficient data access while ensuring data security. This means that ordinary users can also enjoy low-cost applications RAID0 +1 mode.
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