#589 F34 Self-Contained Change: Reduce installation media size by improving the compression ratio of SquashFS filesystem
Closed a year ago by pbokoc. Opened 2 years ago by bcotton.

This issue tracks the release note for the following Fedora Change:

https://fedoraproject.org/wiki/Changes/OptimizeSquashFSOnDVDByRemovingEXT4FilesystemImageLayer

If you own this change, please add additional information here that we should communicate to Fedora users. Specifically, please consider:

  • New features available because of this change - pick 2 or 3 that are important
  • Considerations for users of previous releases of Fedora (upgrade issues, format changes, etc.)
  • Links to any upstream Release Notes
  • If this helps Fedora be a superior environment for our target audiences, please explain how so that we can emphasize this.

Your notes to us do not need to be formally written. We will edit them and add details as needed. This is a way for you to ensure that we know what is critical about your change.

If you want to write this release note, then:

  • Assign this issue to yourself
  • Check the wiki page linked above, find out what the change is about
  • Determine whether the change actually made it into the release or not[0]
  • Write a draft release note using that information against the correct branch here, in Pagure. (or see below)
  • Get in touch with the contact person/people listed on the wiki page, either through IRC or e-mail, and ask them to check your draft for technical accuracy
  • Submit your Release Note as a PR to this repository.

Once you're done with the above, make sure to either commit the relnote to an appropriate section of the Release Notes book, or, if you're not familiar with Git, AsciiDoc, or whatever else, just add it to this issue as a comment and let pbokoc[1] know that you're done with this one and you'd like the note included. Be sure to do this at least one day before the final release (October 29 according to the current schedule). Also make sure to do this even for relnotes that haven't been checked by the change owner.

[0] You can do that by asking the change owner listed on the wiki page; alternatively you can infer it by checking the tracker bug (linked in Wiki) in Bugzilla and looking at its status; see bug comments for details. Ask someone on the mailing list or on IRC if you're not sure.
[1] In #fedora-docs on FreeNode (UTC+1 timezone, online mostly during the day on weekdays), or pbokoc @redhat.com if you can't get a hold of me on IRC.


Metadata Update from @bkhomuts:
- Issue assigned to bkhomuts

2 years ago

Release note technical details:

This change is about optimizing installation DVD and BOOT.ISO images.

To store installer files on DVD, a SquashFS image is used.
The image is located at images/install.img. Originally, the image structure was the following:
[SquashFS]
|
[ EXT4 ]
|
[ files ]

In this Fedora change, the structure is different:

[SquashFS]
|
[ files ]

Specifically, there is no EXT4 filesystem in the middle. As a result, Fedora DVD and BOOT.ISO images take less storage space. The difference at the time of measurement was -27MiB for x86_64 image. This is because of more efficient storage of files.

Metadata Update from @pbokoc:
- Issue status updated to: Closed (was: Open)

a year ago

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