Storage

1. What is the NAS? What Can You Do With a NAS?
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   A Network Attached Storage (NAS) device is a storage device connected to a network that allows storage and retrieval of data from a centralized location for authorized network users and heterogeneous clients. NAS devices are flexible and scale-out, meaning that as you need additional storage, ...
2. Differences between San and Nas. NAS vs. SAN
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   What is a San? A storage area network (SAN) is a dedicated network that enables servers to share a pool of storage resources. SANs are complex, interwoven systems most frequently used with mission-critical data and databases. As a separate network, a SAN moves resources off of the LAN (local ...
3. What is VMWARE vSAN?
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   VMware vSAN (formerly Virtual SAN) is a hyper-converged, software-defined storage (SDS) product developed by VMware that pools together direct-attached storage devices across a VMware vSphere cluster to create a distributed, shared data store. The user defines the storage ...
4. Computer storage comparison: primary storage vs. secondary storage
   leo peng

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   In computer networking, Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. The ...
5. What is the difference between DAS, SAN & NAS?
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   Directly Attached Storage (DAS) In DAS, the storage device is directly attached to the computer. For example, a USB-connected external hard drive. A number of cables can be used to connect DAS units, such as fiber optics, SAS, SATA, and so on. A DAS is designed to be used only by a single ...
6. Types of Network Storages: DAS, SAN and NAS
   leo peng

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   What is the Network Storages? The Network storages are defined as a special type of dedicated data storage server that includes storage devices such as disk arrays, CD / DVD drives, tape drives or removable storage media, and embedded system software that provide cross-platform file sharing ...
7. What is a raid? And the main Types of raid
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   What is a raid? RAID(redundant array of independent disks; originally redundant array of inexpensive disks)  is an acronym for Redundant Array of Independent (or Inexpensive) Disks. In fact, RAID is the way of combining several independent and relatively small disks into a single storage ...
8. What is parity in raid? How parity works
   leo peng

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   In computers, parity (from the Latin paritas, meaning equal or equivalent) is a technique that checks whether data has been lost or written over when it is moved from one place in storage to another or when it is transmitted between computers. How parity works Because data transmission is not ...
9. Raid 1 vs. Raid 5 vs. Raid 10: What are the advantages and disadvantages?
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   RAID stands for Redundant Array of Inexpensive (Independent) Disks. This article explains the the advantages and disadvantages of raid 1, raid 5 and raid 10. RAID level 1 – Mirroring Data are stored twice by writing them to either the data drive (or set of data drives) and a mirror drive ...
10. PCIe vs SATA: Which SSD Interface Should You Go For?
    leo peng

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    PCIe (PCI Express) supersedes SATA as the latest high bandwidth interface. Entry level PCIe SSD speeds are two to three times faster than the older generation of SATA 3.0 SSDs mainly due to the number of channels contained by each to transfer data (roughly 10 for SATA and 25 for PCIe). However, ...