File Name: raid interview questions and answers .zip
Earlier it is used to be very costly to buy even a smaller size of disk, but nowadays we can buy a large size of disk with the same amount like before.
What is the most critical component in SAN? Each component has its own criticality with respect to business needs of a company. What is the need for separate network for storage why LAN cant be used? LAN hardware and operating systems are geared to user traffic, and LANs are tuned for a fast user response to messaging requests. With a SAN, the storage units can be secured separately from the servers and totally apart from the user network enhancing storage access in data blocks bulk data transfers , advantageous for server less backups.
Finding another job can be so cumbersome that it can turn into a job itself. Prepare well for the job interviews to get your dream job. Here's our recommendation on the important things to need to prepare for the job interview to achieve your career goals in an easy way. RAID is Redundant Array of Independent disks which combines several physical disks into a single or many logical units to support performance improvement, data redundancy. Same data is stored in multiple servers that serves the purpose of data redundancy. Follow our Wisdomjobs page for RAID job interview questions and answers page to get through your job interview successfully in first attempt.
A large number of disks in a system improves the rate at which data can be read or written :. If the mean time to failure of a single disk is , hours, then the mean time to failure of some disk in an array of disks will be :. The mean time to failure of a mirrored disk depends on : I the mean time to failure of individual disks II the mean time to repair. They are explained in elaborated manner to get clear subject knowledge. These tests will assess the individual's computational capabilities which are useful in the day to day work in Banks, Insurance Companies, LIC AAO and other government offices. The Answers are explained in elaborated manner to get clear subject knowledge.
We have 0 through 5 RAID levels that offers different levels of performance and fault tolerance. What is RAID controller technology? RAID controller is used when one drive fails and the other is still running well. The controller will automatically rebuild the data from the other devices and restores the same to the crashed system. Hence the RAID controller technology, depending on the importance of the data, is used to restore the data automatically from the other systems.
Fast redeployment, by unplug and plug, of an existing database to a new platform. Triggers, tables, procedures, views, keys etc are typical examples. When a table or view is dropped, any views in the same database are also dropped. Here Mindmajix shares top real-time Teradata questions. The logical components are usually used to connect to the database.
Question 1. What Is Raid? Answer: Redundant Array of Independent Drives (or Disks), also known as Redundant Array of Inexpensive Drives .
A RAID system consists of two or more drives working in parallel. There are different RAID levels, each optimized for a specific situation. These are not standardized by an industry group or standardization committee.
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Post a comment. It is the Stripped Disk Array with no fault tolerance and it requires at least 2 drives. To be implemented.
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Interview Questions on RAID. Question 1: what is the difference raid 1 and raid 5? Answer: On most situations you will be using one of the following four levels of.
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