My favourite bugzilla report (still open)
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  1. #1
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    My favourite bugzilla report (still open)

    https://bugzilla.redhat.com/show_bug.cgi?id=1170803

    Anaconda scans every disk and flash drive plugged into the system at time of booting a new iso.


    I have 5 disks online and the scan takes around 7 minutes. If you have one or two disks, your scan could be about 90 seconds or less, a not-to-long a wait.

    If I had my three backup drives (-1,0,+1 versions) plugged, I can go away and return after watching a ballgame.(hours)

    The bug is a design decision that needs a workaround.

    https://bugzilla.redhat.com/show_bug.cgi?id=1170803

    If I was doing the workaround, I would have anaconda do a quick scan to retrieve the disk-drive-ids (as does "blkid" program.

    in a later spoke, where the one or drive(s) I chose are selected, I would do the detailed scan of those one or two drives.

    So, now I wait 7 minutes, I select my two drives and I proceed. I first remove all external drives to prevent their being scanned.
    Leslie in Montreal

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    http://forums.fedoraforum.org/showth...40#post1697840

  2. #2
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    Re: My favourite bugzilla report (still open)

    Yes, pretty annoying. I have 5 disks in my desktop and anaconda always takes a very long time to scan them.

    I love the suggestion that users can just disconnect drives that won't be used for the install. That'll fix 'er.
    Glenn
    The Bassinator

  3. #3
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    Re: My favourite bugzilla report (still open)

    no need to open the case and physically disconnect them either, simply enter BIOS/EFI firmware and disable them for the time being.

  4. #4
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    Re: My favourite bugzilla report (still open)

    Quote Originally Posted by antikythera
    no need to open the case and physically disconnect them either, simply enter BIOS/EFI firmware and disable them for the time being.
    Enabled or not, they are discovered.
    Leslie in Montreal

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    http://forums.fedoraforum.org/showth...40#post1697840

  5. #5
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    Re: My favourite bugzilla report (still open)

    Quote Originally Posted by lsatenstein
    Enabled or not, they are discovered.
    in that case the BIOS your system uses also has a bug

  6. #6
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    Re: My favourite bugzilla report (still open)

    Quote Originally Posted by antikythera
    in that case the BIOS your system uses also has a bug
    Hi Antikythera

    When I disable the drive(s), and I boot, they do not appear in the bios drive list (I hit F8, before grub appears) and they are not listed. But grub knows about them.

    I will try another experiment to disable the drives, rerun grub-mkconfig to see the results.
    Leslie in Montreal

    Interesting web sites list
    http://forums.fedoraforum.org/showth...40#post1697840

  7. #7
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    Re: My favourite bugzilla report (still open)

    Following up on my 1.5 year (3 version bugzilla report), Fedora anaconda developer(s) did something that reduced to 1/3rd the time required to do the initial scan.

    My question again is: Why scan all disks if the user indicates that he is only interested in one or two of them. The root, home, swap, and uefi / biosboot files are for the disk selected. The other disks need to be ignored.

    Hopefully, with anaconda changes that I understood to be coming, it will possible that the scanning algorithm will be revisited.
    Leslie in Montreal

    Interesting web sites list
    http://forums.fedoraforum.org/showth...40#post1697840

  8. #8
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    Re: My favourite bugzilla report (still open)

    Just try installing on a box that has 12 x 3TB internal and 4 x 2TB external hard drives attached Anaconda takes a long vacation.
    Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?

  9. #9
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    Re: My favourite bugzilla report (still open)

    I suppose you ran it at lunch hour, so that on your return from, it was ready for the next step. With so many disks to scan, make no errors.

    5 disks took 2 minutes. 12 disks must have taken 5-6 minutes, or was it longer.
    Leslie in Montreal

    Interesting web sites list
    http://forums.fedoraforum.org/showth...40#post1697840

  10. #10
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    Re: My favourite bugzilla report (still open)

    This is my take on this scan part of anaconda. It is a design error.

    Were Fedora to make anaconda improvements, I would have anaconda just give me a brief list of drives, as it does at the end of that many minutes of scan. Then after I select the drive(s) which I want to include in the new fstab, it can do the detail analysis of that subset. Minutes would go down to seconds.

    However, as anaconda is not broken, we live with it's design as it is.
    Leslie in Montreal

    Interesting web sites list
    http://forums.fedoraforum.org/showth...40#post1697840

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