Certain data stores will only utilise the outside tracks of a magnetic disk, leaving the inside tracks unused. Hot spots is a colloquial term for this arrangement. What are some of the upsides of taking this kind of action?
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Certain data stores will only utilise the outside tracks of a magnetic disk, leaving the inside tracks unused. Hot spots is a colloquial term for this arrangement. What are some of the upsides of taking this kind of action?
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- Some data structures only make use of the outside tracks of magnetic disks, while others completely ignore the inner tracks. The phrase "hot spots" is often used to refer to such arrangements. Why would you want to do that, exactly?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?Whenever a file is saved to disk, the operating system is responsible for ensuring that the blocks are arranged in the correct order. Why is this so important in the context of magnetic disks? Would it make a difference if solid-state drives (SSDs) were utilized instead? What happened?
- Some data stores will only utilise the outside tracks of a magnetic disk, leaving the inside tracks unused. The term "hot spots" is used to describe this arrangement. What are some of the upsides of taking such measures?When a file is written to disk, the operating system is responsible for arranging the data blocks in the correct sequence. Why is it imperative that this be done while discussing magnetic disks? Would it make a difference if SSDs were used instead, or is it moot either way? Where do we stand?There are certain databases that only utilize the external tracks of magnetic disks for data storage, therefore the data that is stored on the magnetic disk's internal tracks may be lost. This kind of arrangement is referred to as a "hotspot" in the industry. What are the specific advantages of acting in this manner, and why should one do so?
- Suppose a disk drive has the following characteristics: 6 surfaces 1024 tracks per surface 256 sectors per track 512 bytes/sector Track-to-track seek time of 8 milliseconds Rotational speed of 5000 RPM. What is the total capacity of the drive? What is its average access time?Suppose a disk drive has the following characteristics: 5 surfaces 1024 tracks per surface 256 sectors per track 512 bytes/sector Track-to-track seek time of 8 milliseconds Rotational speed of 7500 RPM.What is the average latency of the drive?Attempts are made by operating systems to maintain subsequent blocks of a file on the same disk block from which they are read. What makes magnetic disks so important? Using SSDs has always been recommended, but is this still the case, or has it become obsolete? Is there an explanation for this?
- The internal tracks of a magnetic disc may go unused with certain databases, however this is seldom the case. The term "hot spots" is often used to describe this arrangement. What are some of the upsides of taking this kind of action?What effect does the remapping of damaged sectors by disk controllers have on the retrieval rate of data?When a file is written to disk, the operating system is responsible for arranging the data blocks in the correct sequence. When discussing magnetic disks, why is this step absolutely necessary? Would it make a difference if SSDs were used instead, or is it moot either way? So, what gives?
