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- It's possible that the use of RAID to do live backups of physical hard drives might have an effect on the amount of actual storage space that's accessible on a hard disc. Is it still desirable to create a backup if doing so involves using up 50 percent of the available space on the disc? In order to prevent the hard disks on a home computer from being corrupted as a result of the frequent loss of power, which RAID configuration is the most effective to use?1. Raid Consider two implementations. Implementation A uses Raid Level 1 and B uses Raid Level 5. B places 5 disk drives into each parity group. How much disk space will be needed for each implementation if the intent is to provide 2 Terabytes of disk space to the application? What will the write time be for updating a block? Assume 10 millisecond read times and 10 millisecond write times on a disk drive.The same disk block is used by operating systems to read consecutive blocks of a file. What's the big deal about magnetic disks? Is the use of SSDs still relevant, or has this become obsolete? Are there any explanations for this?
- Answer 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?What exactly does "cleaning" mean in the context of RAID systems, and why is it so important?Parallel attempts are made to write sections of a file to separate hard drives. Is there a reason why doing so is so crucial for magnetic disks? Do we still need to use SSDs if they are readily accessible, or is it a waste of time? How come this is the case?
- RAID is a technique used to offer live backups of physical hard drives even if it reduces the hard drive's usable capacity. Would you prefer to have backup at the expense of about half of your disc capacity, or the opposite? Which form of RAID is ideal for a home computer system that often endures power outages that might cause hard disk failures?A 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?Concurrent chunks of a file are attempted to be saved on successive drives. Is there a reason why doing so is so critical for magnetic disks? Is it still vital to utilize SSDs if they are available, or is it a waste of time? Why is this so?
- How much of the lost data from a backup created with double parity in RAID systems can be restored, and how can it be done?Is RAID considered a feasible alternative for backup purposes? What is your stance on this statement? What is the reason behind this phenomenon?Creating a RAID array is a way for producing live backups of physical hard drives; however, doing so willower 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.