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Thread: Ofgwrite

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    Ofgwrite

    I saw in the upgrade log for 4.1 004 there was a new version of ofgwrite, I was hoping this would support solo4k but sadly it doesn't seem to, is betacentauri working on this or is it not on his list of things to do?
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    It supports ext4 was hoping it might work for the Wetek also Guess I can ask him .... will do later

    Have posted msg to him, will post response if someone doesn,t beat me to it!
    Last edited by twol; 24-04-16 at 11:46.
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    Highly unlikely this will ever be implemented on the Vu+ Solo 4K as it currently stands. You can never live flash ext partition.


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    Quote Originally Posted by Andy_Hazza View Post
    Highly unlikely this will ever be implemented on the Vu+ Solo 4K as it currently stands. You can never live flash ext partition.
    Presumably that would be because you wouldn't have an ext4 partition on flash? So what is it on?
    "All" you need is to create a minimal rootfs in memory, root-swivel (or something named like that) to use it, then restore the new image file system where the current one is and reboot. Well, I say "all".....
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    Ofgwrite

    Quote Originally Posted by birdman View Post
    Presumably that would be because you wouldn't have an ext4 partition on flash? So what is it on?
    "All" you need is to create a minimal rootfs in memory, root-swivel (or something named like that) to use it, then restore the new image file system where the current one is and reboot. Well, I say "all".....
    Yeah. I think Ideally could do with creating a small partition in flash (big enough for flash files) have this visible when e2 is running and if you transfer flash file to partition and reboot box automatically flash then if successful files get auto deleted then receiver reboots. Would probably need Vu to create a new bootloader or something you think?
    Last edited by Andy_Hazza; 25-04-16 at 06:52.
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    Quote Originally Posted by birdman View Post
    Presumably that would be because you wouldn't have an ext4 partition on flash? So what is it on?
    The flash of a Solo 4K is EXT4.
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    Well Betacentauri says ofgwrite now works with Solo 4K ... and he has tested it on the box .... but not Wetek
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    So it just needs enabling? I tried it yesterday and it says this box is not yet supported.
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    Quote Originally Posted by DaMacFunkin View Post
    So it just needs enabling? I tried it yesterday and it says this box is not yet supported.
    Ofgwrite is updated in the OE-A but I guess needs the 4K bypass (at least) removed in ImageManager.py and I guess some special code for the 4K depending on the exact format of the partition(s). eg: I have additional code so that I can flash either of the Xtrend ET8500 images.
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    Quote Originally Posted by Huevos View Post
    The flash of a Solo 4K is EXT4.
    Why would anyone put an ext4 file-system on flash? Seems an odd thing to do, given the characteristics of flash memory and the fact that various file-system exist specifically aimed at it.
    Mind you - it's just occurred to me that I have a USB stick formatted as ext4....
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    maybe because the 4k no longer has nand but emmc flash.

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    let me clarify this issue, OpenViX will sorry to say NEVER support live flashing of the Solo4K, here's why.

    the Solo4K uses a EXT4 filesystem and as such it is not possible to FLASH a mounted ext4 filesystem, unlike other boxes that use a block type filesystem. The OFGWRITE tool IMO is wrong to even attempt this for the Solo4k, here why i think so and why openvix will not support this tool for the Solo4k.

    firstly is does not perform a reflash, it is simply mounting the image file and then copying the files from the image overwriting the files in the flash, think of this way, it is like trying to reinstall windows over itself whilst windows is running.

    IMO this could lead to all sorts of issues, as system libraries are still being accessed, the flash has not been cleaned. This could lead to bad blocks as the the filesystem is being overwrote whilst it is still being used.

    So i am sorry to say OpenVix will never support live flashing of the Solo4k, whilst it uses a ext4 filesystem.

    OpenViX will NOT take any chance that this tool 'could' cause harm to any users Solo4K boxes, so this is why we have taken this action.

    Again we are sorry but we will NOT reconsider this at all.
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    Quote Originally Posted by andyblac View Post
    firstly is does not perform a reflash, it is simply mounting the image file and then copying the files from the image overwriting the files in the flash, think of this way, it is like trying to reinstall windows over itself whilst windows is running.
    That depends on how it works. As I've noted - it is perfectly possible to create a usable root file-system in memory and perform a swivel-root to run on that. At that point the original root file-system can be totally unused, and unmountable.
    This is (or was) how some Linux system booted in the first place.
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    Quote Originally Posted by birdman View Post
    That depends on how it works. As I've noted - it is perfectly possible to create a usable root file-system in memory and perform a swivel-root to run on that. At that point the original root file-system can be totally unused, and unmountable.
    This is (or was) how some Linux system booted in the first place.
    from i can tell he is not reformating the root partition.
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