Question: Explain what a file-system journal file or transactional log file is. Explain why the existence of the log or journal file ensures recovery of a

Explain what a file-system “journal file” or “transactional log file” is.

Explain why the existence of the “log” or “journal” file ensures recovery of a file system after a system crash.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

A filesystem journal file or transactional log file is a data structure t... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Operating System Questions!

Q:

Explain why logging metadata updates ensures recovery of a file system after a file system crash.

Q:

Explain why the existence of a cutoff frequency in the photoelectric effect more strongly favors a particle theory rather than a wave theory of light.

Q:

A few years ago, a new online insurer appeared. Found at www.ticketfree.org, the insurer offered, for a price, up to $500 of coverage against speeding tickets. a. Who has more valuable information in...

Q:

Describe the types of cybercrimes facing organizations and critical infrastructures, explain the motives of cybercriminals, and evaluate the financial Explain both low-tech and high-tech methods...

Q:

Subheading Elements and Performance Criteria ELEMENT PERFORMANCE CRITERIA Elements describe the essential outcomes. Performance criteria describe the performance needed to demonstrate achievement of...

Q:

Discuss how the log file (or journal) is a fundamental feature in any recovery mechanism. Explain what is meant by forward and backward recovery and describe how the log file is used in forward and...

Q:

The RPC-based NFS remote file system is sometimes considered to have slower-than-expected write performance. In NFS, a servers RPC reply to a client write request means that the data are physically...

Q:

Developments in Technology Light is incident from air on the end face of a multimode optical fibre at angle of incidence as shown below. n n 1 2 The refractive indices of the core and cladding are...

Q:

Table 5 shows the airlines transaction log file. Suppose that part of the airlines computer system fails at 15:06. Assume that the DBMS is using the Immediate Update protocol. Describe the actions...

Q:

Simulated Business JKL Industries Business and strategic planning FY 2014-2015...................................1 Operational...

Q:

On the moon, where a = 1.62m/sec2. An object dropped from a height of 100 m has distance above the ground of M(t) = 100 - a/2t2 where a is the acceleration of gravity. For each of the above planet...

Q:

Estimated sales of a product is 30000 units. Two kinds of raw materials X and Z are required for manufacturing the product. Each unit of the product requires 3 units of X and 3 units of Z. The...

Q:

The masses mi are located at the points Pi . Find the moments Mx and My and the center of mass of the system. m 1 = 3 , m 2 = 2 , m 3 = 1 , m 4 = 4 ; P 1 ( 4 , 2 ) , P 2 ( 0 , 5 ) , P 3 ( 3 , 4 ) , P...

Q:

Understanding the US Individual Manual Tax Formula is important as over 150 Million individuals and married couples file tax returns on which they compute their Federal Income Tax. Let's test your...

Q:

The following are selected transactions of Grouper Department Store Ltd. for the current year ended December 31. Grouper is a private company operating in the province of Manitoba where PST is 8% and...

Q:

The balance sheet of Imperial Plc and its two subsidiaries Metric plc and Quantum plc as at 31 December 2019 were as follows: Balance sheets at 31 December 2020 Non-current assets Tangible assets...

Q:

Tolden Trading has borrowed from MacBank to invest in a project. The loan requires a repayment of $17,384 at the end of every month for three years. The lender quoted Tolden Trading a rate of 8.40...

Q:

Mr. and Mrs. Meredith own a sole proprietorship consisting of business assets with a $649,000 aggregated adjusted tax basis. According to an independent appraisal, the business is worth $2 million....

Q:

-Select-InvestmentBudgetingDividendItem 1 policy involves the decision to pay out earnings to shareholders or to retain them for reinvest in the firm. When distributing income to stockholders there...

Q:

Discuss how an operating system could maintain a free-space list for a tape-resident file system. Assume that the tape technology is append only, and that it uses the EOT mark and locate, space, and...

Q:

Consider the page replacement algorithm used by Atlas. In what ways is it different from the clock algorithm discussed in an earlier chapter?

Q:

Suppose that your replacement policy (in a paged system) is to examine each page regularly and to discarding that page if it has not been used since the last examination. What would you gain and what...

Q:

How much larger will the value of an RRSP be at the end of 20 years if the contributor makes month-end contributions of $500, instead of year-end contributions of $6000? In both cases the RRSP earns...

Q:

You are offered a loan at a rate of 10.5% compounded monthly. Below what figure must a semiannually compounded nominal rate be to make it more attractive?

Q:

Calculate the future value of an ordinary annuity consisting of monthly payments of $300 for five years. The rate of return was 9% compounded monthly for the first two years, and will be 7.5%...