A+ Guide To It Technical Support
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ISBN: 9780357108291
Author: ANDREWS, Jean.
Publisher: Cengage,
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Chapter 5, Problem 4TC
Explanation of Solution
Given: Two matching HDDs.
To find: The optimal RAID technique that can be used to improve the performance of the system.
Solution:
R...
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What does it mean when an OS user says their hard drives use a "RAID structure"? Which RAID configurations perform the best?
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Chapter 5 Solutions
A+ Guide To It Technical Support
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- 2. Which level of RAID refers to disk mirroring with block striping? a. RAID level 1 b. RAID level 2 c. RAID level 0 d. RAID level 3arrow_forwardUsing a RAID array to create live backups of physical hard drives is a way for increasing the available capacity of the hard drive. Alternatively, are you willing to sacrifice half of your available disc space for backup? Which kind of RAID is the best solution for a home computer system that has regular power outages that might result in hard disc failures?arrow_forwardA method for doing live backups of physical hard drives is to set up a RAID array, however doing so will diminish the hard drive's capacity. Would you rather have backup at the cost of using up half your disc space, as an alternative? Which kind of RAID is the best option for a home computer system that often experiences power outages that might lead to hard disc failures?arrow_forward
- A method for doing live backups of physical hard drives is to set up a RAID array, albeit doing so will lower the hard drive's capacity. Would you rather have backup at the cost of using up half your disk space, as an alternative? Which kind of RAID is the best option for a home computer system that often experiences power outages that might cause hard disk failures?arrow_forwardCreating a RAID array is a way for producing live backups of physical hard drives; however, doing so will lower the amount of available capacity on the physical hard drive. Alternatively, would you like to have backup at the cost of half of your available disc space? The ideal RAID configuration for a home computer system with frequent power outages that may result in hard disc failures is determined by the frequency of power outages.arrow_forwardHi. What is the repair mechanism of RAID 0,1,5 and 10 when one or more drive failed? Thanks Mohammadarrow_forward
- You have a report of a customer with a Hard Disk Drive with bad sectors on /dev/sdr, what would you do to confirm the serial number and identify the disk with bad sectors? If it was in a Linux RAID, what commands would you run to remove it from the array and add a new disk?arrow_forwardAnswer the following regarding RAID levels.a. Before adding the redundancy data, our RAID drive has 4 disk drives. If we choose RAID 1, how many extra drives do we need to add to store redundancy? RAID 5? RAID 6?b. We decide to use RAID 0 because we want our RAID drive to support multiple accesses as much as possible (that is, multiple different processes accessing disk simultaneously). Should we use small stripes or large stripes? Explain.c. RAID 4 is not used, why not? What RAID level would we use in place of RAID 4?arrow_forwardIt is up to a database administrator to decide how many drives make up a single RAID 5 array For example: How much does it cost? How long will it last? How well will it work after it breaks down? How well will it work while you're rebuilding?arrow_forward
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