what is the difference between hardware and software raid?
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A software RAID uses ordinary disk drives and controllers, while the operating system shows them as a single device to users/applications. A hardware RAID uses hardware to make the multiple devices appear as a single device - to the operating system itself.
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software load balancers is that hardware load balancers require proprietary, rack-and-stack hardware appliances, while software load balancers are simply installed on standard x86 servers or virtual machines. ... On the other hand, software load balancers are able to scale elastically to meet demand.
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The term storage may refer both to a user's data generally and, more specifically, to the integrated hardware and software systems used to capture, manage and prioritize the data. This includes information in applications, databases, data warehouses, archiving, backup appliances and cloud storage.
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A NAS HDD is designed to run for weeks on end, while a desktop HDD can only read and write data for hours at a time. A NAS HDD is also built specifically for RAID setup. By combining multiple drives into one single logical unit, RAID configurations provide data redundancy, thus protecting data against drive failures.
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RAID 1. RAID 1 consists of data mirroring, without parity or striping. Data is written identically to two or more drives, thereby producing a "mirrored set" of drives. Thus, any read request can be serviced by any drive in the set.
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How is NAS different than a SAN? SAN and network-attached storage (NAS) are both network-based storage solutions. A SAN typically uses Fibre Channel connectivity, while NAS typically ties into to the network through a standard Ethernet connection. A SAN stores data at the block level, while NAS accesses data as files.
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Physical Volume (PV): Consists of Raw disks or RAID arrays or other storage devices. Volume Group (VG): Combines the physical volumes into storage groups. Logical Volume (LV): VG's are divided into LV's and are mounted as partitions.
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A RAID 1 array is built from two disk drives, where one disk drive is a mirror of the other (the same data is stored on each disk drive). Compared to independent disk drives, RAID 1 arrays provide improved performance, with twice the read rate and an equal write rate of single disks.
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Normally Linux system doesn't automatically remember all the components that are part of the RAID set. This information has to be added it on mdadm. conf file under /etc directory.
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Computer hardware is any physical device used in or with your machine, whereas software is a collection of programming code installed on your computer's hard drive.
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HFS+ provides better space management than HFS for large drives. It is also a journaled file system so it does a better job of protecting its consistency and therefore your data, especially in the event of a system crash.
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Hardware are the physical objects that are needed to be assembled to form a working computing system. Software is the one's and zero's contained within that computing system that make it recieve input, compute or output something.
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RAID 5 is a unique version of RAID that uses something called RAID parity. This technique uses parity information or bonus data to calculate any lost information. Parity is distributed among all drives in the RAID. RAID 5 requires roughly one free drive worth of space to store the parity.
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Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computer's hard drive.
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Firmware is software that is semi-permanently placed in hardware. It does not disappear when hardware is powered off, and is often changed by special installation processes or with administration tools. The memory firmware uses is very fast — making it ideal for controlling hardware where performance is important.
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SAN and network-attached storage (NAS) are both network-based storage solutions. A SAN typically uses Fibre Channel connectivity, while NAS typically ties into to the network through a standard Ethernet connection. A SAN stores data at the block level, while NAS accesses data as files.
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Software vs Firmware: What Is the Difference? ... Software files are usually large and take up a substantial amount of hardware memory when compared to firmware. Firmware is a term for a piece of software that is stored on a hardware device in order to make it run properly.