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128
CODE_OF_CONDUCT.md
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CODE_OF_CONDUCT.md
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# Contributor Covenant Code of Conduct
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## Our Pledge
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We as members, contributors, and leaders pledge to make participation in our
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community a harassment-free experience for everyone, regardless of age, body
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size, visible or invisible disability, ethnicity, sex characteristics, gender
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identity and expression, level of experience, education, socio-economic status,
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nationality, personal appearance, race, caste, color, religion, or sexual
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identity and orientation.
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We pledge to act and interact in ways that contribute to an open, welcoming,
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diverse, inclusive, and healthy community.
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## Our Standards
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Examples of behavior that contributes to a positive environment for our
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community include:
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- Demonstrating empathy and kindness toward other people
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- Being respectful of differing opinions, viewpoints, and experiences
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- Giving and gracefully accepting constructive feedback
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- Accepting responsibility and apologizing to those affected by our mistakes,
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and learning from the experience
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- Focusing on what is best not just for us as individuals, but for the overall
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community
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Examples of unacceptable behavior include:
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- The use of sexualized language or imagery, and sexual attention or advances of
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any kind
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- Trolling, insulting or derogatory comments, and personal or political attacks
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- Public or private harassment
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- Publishing others' private information, such as a physical or email address,
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without their explicit permission
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- Other conduct which could reasonably be considered inappropriate in a
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professional setting
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## Enforcement Responsibilities
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Community leaders are responsible for clarifying and enforcing our standards of
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acceptable behavior and will take appropriate and fair corrective action in
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response to any behavior that they deem inappropriate, threatening, offensive,
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or harmful.
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Community leaders have the right and responsibility to remove, edit, or reject
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comments, commits, code, wiki edits, issues, and other contributions that are
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not aligned to this Code of Conduct, and will communicate reasons for moderation
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decisions when appropriate.
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## Scope
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This Code of Conduct applies within all community spaces, and also applies when
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an individual is officially representing the community in public spaces.
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Examples of representing our community include using an official email address,
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posting via an official social media account, or acting as an appointed
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representative at an online or offline event.
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## Enforcement
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Instances of abusive, harassing, or otherwise unacceptable behavior may be
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reported to the community leaders responsible for enforcement at
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<olivia.a.brooks77@gmail.com>.
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All complaints will be reviewed and investigated promptly and fairly.
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All community leaders are obligated to respect the privacy and security of the
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reporter of any incident.
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## Enforcement Guidelines
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Community leaders will follow these Community Impact Guidelines in determining
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the consequences for any action they deem in violation of this Code of Conduct:
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### 1. Correction
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**Community Impact**: Use of inappropriate language or other behavior deemed
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unprofessional or unwelcome in the community.
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**Consequence**: A private, written warning from community leaders, providing
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clarity around the nature of the violation and an explanation of why the
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behavior was inappropriate. A public apology may be requested.
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### 2. Warning
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**Community Impact**: A violation through a single incident or series of
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actions.
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**Consequence**: A warning with consequences for continued behavior. No
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interaction with the people involved, including unsolicited interaction with
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those enforcing the Code of Conduct, for a specified period of time. This
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includes avoiding interactions in community spaces as well as external channels
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like social media. Violating these terms may lead to a temporary or permanent
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ban.
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### 3. Temporary Ban
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**Community Impact**: A serious violation of community standards, including
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sustained inappropriate behavior.
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**Consequence**: A temporary ban from any sort of interaction or public
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communication with the community for a specified period of time. No public or
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private interaction with the people involved, including unsolicited interaction
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with those enforcing the Code of Conduct, is allowed during this period.
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Violating these terms may lead to a permanent ban.
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### 4. Permanent Ban
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**Community Impact**: Demonstrating a pattern of violation of community
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standards, including sustained inappropriate behavior, harassment of an
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individual, or aggression toward or disparagement of classes of individuals.
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**Consequence**: A permanent ban from any sort of public interaction within the
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community.
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## Attribution
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This Code of Conduct is adapted from the
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[Contributor Covenant](https://www.contributor-covenant.org/), version 2.1,
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available at
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<https://www.contributor-covenant.org/version/2/1/code_of_conduct/>.
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Community Impact Guidelines were inspired by
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[Mozilla's code of conduct enforcement ladder](https://github.com/mozilla/inclusion).
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For answers to common questions about this code of conduct, see the FAQ at
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<https://www.contributor-covenant.org/faq/>. Translations are available at
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<https://www.contributor-covenant.org/translations/>.
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41
README.adoc
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README.adoc
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= kramer
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:toc:
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// Hello people reading the README source :)
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== Prelude
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VERY EARLY ALPHA -- NOT YET FUNCTIONAL
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I needed a program to efficiently repair the data on optical discs.
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== Goals
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* [*] CLI Args
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** [*] Input device
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** [*] Output file (ISO 9660)
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** [*] Repair map file
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** [*] sequence_length
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** [*] brute_passes
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** [*] Sector size override?
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* Repair Algorithm
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** Stage 1: Trial
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*** [ ] 1 - From first sector, parse forward to error.
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*** [ ] 2 - From last sector, parse backwards to error.
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*** [ ] 3 - From center of data for trial, parse forward to error or end of remaining trial domain.
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*** [ ] 4 - Stripe-skip remaining data, attempting to read largest trial domains first.
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**** [ ] If data keeps reading good, no skip will occur until an error is reached.
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** Stage 2: Isolation
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*** [ ] From largest to smallest untrustworthy sequence, attempt to read each sequence at half sequence_length.
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*** [ ] Same, but at quarter sequence_length.
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*** [ ] Same, but at eighth sequence_length.
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*** [ ] By sector, parse untrustworthy sequences from start to error, and end to error. Mark mid section for brute force.
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** Stage 3: Brute Force
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*** [ ] Desperately attempt to recover data from marked sections.
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*** [ ] Attempt for brute_passes, retrying all failed sectors.
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* [ ] Repair Map
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** [ ] I'll figure out some kind of language for this...
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== License
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74
README.md
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README.md
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# kramer
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`kramer` is a data recovery utility for optical media.
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There are plans to change the project name, but during initial development it
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will continue to be referred to as kramer.
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This is still in very early development, so expect old maps to no longer work.
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## Plans
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### Core
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- [x] Mapping
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- [x] Record the state of disc regions
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- [x] Recover from saved map.
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- [ ] Recovery
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- [x] Initial
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Technically there is an outstanding issue with sleepy firmware here,
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but beside that this technically works.
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- [ ] Patchworking
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- [ ] Isolate
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- [ ] Scraping
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- [ ] CLI
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- [x] Arguments
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- [ ] Recovery progress
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- [ ] Recovery stats
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- [ ] Documentation, eugh.
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### Extra
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- [ ] i18n
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- [ ] English
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- [ ] French
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- [ ] TUI (akin to `ddrescueview`)
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- [ ] Visual status map
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- [ ] Recovery properties
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- [ ] Recovery progress
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- [ ] Recovery stats
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## Recovery Strategy
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### Initial Pass (Stage::Untested)
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Tries to read clusters of `max_buffer_size`, marking clusters with errors as
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`ForIsolation` (note that the name has not yet be updated to
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`Patchwork{ depth }`).
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### Patchworking
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This works by halving the length of the read buffer until one of two
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conditions is met:
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1. `max_buffer_size` has been divided by `max_buffer_subdivision`
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(like a maximum recursion depth).
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Effectively, it will keep running `max_buffer_size / isolation_depth;
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isolation_depth++;` on each pass until `isolation_depth ==
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max_buffer_subdivision`
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2. `buffer_size <= min_buffer_size`
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3. `buffer_size <= sector_size`
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### Isolate
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This is where we reach brute forcing territory. `ddrescue` refers to this as
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trimming. `kramer` implements the same technique. However, thanks to the
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patchworking pass, this sector-at-a-time reading can be minimized, hopefully
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reducing wear and overall recovery time on drives with a very short spin-down
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delay.
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### Scraping
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This is the pure brute force, sector-at-a-time read. This has identical
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behaviour to `ddrescue`'s scraping phase.
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Reference in New Issue
Block a user