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Thread: EXT4 - I just don't get it.

  1. #61
    psusi is offline Ubuntu addict and loving it
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    Re: EXT4 - I just don't get it.

    Quote Originally Posted by NightwishFan View Post
    I am sure ZFS it is not THAT utterly broken. Why all that aggression?
    Last I heard, running any of the usual fs benchmark/stress tests on it results in lots of errors, lost files, and fs corruption. That sounds pretty broken to me.

  2. #62
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    Re: EXT4 - I just don't get it.

    Quote Originally Posted by psusi View Post
    Last I heard, running any of the usual fs benchmark/stress tests on it results in lots of errors, lost files, and fs corruption. That sounds pretty broken to me.
    I think it's better than that in both FreeBSD and OpenSolaris worlds. Can't comment on the FUSE implementation though.
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    Re: EXT4 - I just don't get it.

    Quote Originally Posted by psusi View Post


    You mean a slow fs implemented in userspace that is fundamentally broken ( it fails horribly under load testing )?
    1) a ZFS kernel module != user space filesystem..

    I have a few pretty high IO VM's running on ZFS that would directly contradict your statements, but it must be my imagination, Your source is clearly infallible (see reference point one).
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  4. #64
    psusi is offline Ubuntu addict and loving it
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    Re: EXT4 - I just don't get it.

    Quote Originally Posted by toupeiro View Post
    1) a ZFS kernel module != user space filesystem..

    I have a few pretty high IO VM's running on ZFS that would directly contradict your statements, but it must be my imagination, Your source is clearly infallible (see reference point one).
    From what I can see on that site and on the wikipedia page on zfs, that is a native reimplementation of zfs in the kernel, but it is not yet actually usable as a filesystem because it has not yet implemented the zfs posix layer, which means that the fuse implementation is still the only usable one.

  5. #65
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    Re: EXT4 - I just don't get it.

    i don't really get ext4 either. it's slow. corruption should be the last thing that happened though since i am under the impression that the speed issues are related to data integrity, better slow than sorry i suppose. i would investigate other possible issues that cause corruption like hardware failure.


    my parts->

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    - fedora????

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    Re: EXT4 - I just don't get it.

    Quote Originally Posted by carolinason View Post
    i don't really get ext4 either. it's slow.
    I've done many installs of linux with ext4, and have yet to see any speed issues.

  7. #67
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    Re: EXT4 - I just don't get it.

    Ext4 can be slow with some databases. Though for most stuff it is improved over ext3, and I have never seen faster copies.

  8. #68
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    Re: EXT4 - I just don't get it.

    I think a lot of the perceived problems with ext4 is due to people using it once, having some issues, and then not going back to it - but still complaining about those issues later. I've had no problems with ext4 on three different computers, even with the occasional random powercut. Of course, my anecdotal evidence is as good as anyone's - pretty worthless.
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    Re: EXT4 - I just don't get it.

    My computer would often shutdown for some reason and it still does, some issue with my power supply. Well i noticed a shift in reliability coming from ext3 to ext4. But i found a solution to protect data loss, that is i now have been using an NTFS partition managed on XP and sharing it with other operating systems. I advise this.
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    Re: EXT4 - I just don't get it.

    I had seeming corruption issues with ext4, back when it was first released. I had it on a fakeraid 2 disk array. that was always getting corrupted, but whether it was because of ext4 or fakeraid I'm not sure. The raid array has since been broken up and the disks formatted as xfs. I haven't had any problems since.

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