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Peter Lindener

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    Peter Lindener got a reaction from Tido in Btrfs as root filesystem?   
    from your replies:
         I gather the first boot Ext4 resize delay (still an issue) others have mentioned (likely for a larger, 64Gig SD-card),
    apparently are not much on an an issue when resizing a BtrFS file system.
        While at some point most users will in some way connect to the internet, the whole point of providing most of the ARMbian OS as an SD_card image might be able to come up running without the need for an additional downloads of:
    wget https://mirrors.kernel.org/ubuntu/pool/universe/z/zram-config/zram-config_0.5_all.deb 
    yes, "it's easy" if your ARMbian target on line..  but it may not be during first boot? 
        New ARMbian users (those who have not yet created a customized first boot script) would likely prefer to be asked (with defaults) how the ARMbian SD_card image should be handled.. this includes the possible size of a Linux swap partition near the end,  as well as the nature RootFS partition / FS resize operation.  That is: I think, blind first boot SD_card state change should be avoided.   On target boards that provide additional NV store beyond the SD_card, this first boot user interaction would likely be a good opportunity to prompt for an image install in addition to any options for a possible SD_card resizing operation.     
       Since one is already insisting that users set the root passWord..  it would be nice if new ARMbian users can easily understand that ARMbian SD_card image is being modified... and yes it's great that more advanced users can customize most all of this, then lets keep in mind that it's newcomers who will help grow the ARMbian community yet further.  
  2. Like
    Peter Lindener got a reaction from Tido in Btrfs as root filesystem?   
    Tkaiser and Zador -
       Thanks for giving ARMbian's adjustment towards supporting the BtrFS some additional thought.
    from my perspective resizing of SD_card partitions / File system images should not be automatic on first_boot,
    but instead queried if should be done during first_login just after ARMbian's mandatory PassWd adjustment.
       I make this point, as a long delay during first boot, makes it hard for newbies to know what is going on, not to mention 
    increasing any challenges associated with debugging the initial boot process.
     
       I'm not sure what how important it is for Linux to have a swapFile (in my case: NanoPi Neo2 has 512meg of RAM)..  
    sure using ZRAM might help,.. then as Tkaiser points out swapping to/from the SD_card (the only mass storage on a Neo2)..
    is not a very attractive solution..   since the SD_card resizing logic and this SD-card swap space allocation are both issues that are somewhat unique to systems that run with just the SD-card...   it might make sense to also ask (with defaults) how one would like to configure the SD-card/ ZRAM swap space options...
        Then these additional swap space parameters would be factored into the SD-card's partition adjustment / file system adjustment logic...
     
        Yes: taking an initial (post resize?) BtrFS snapshot sound like it would be a good thing!
     
       -Peter
         
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