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  1. [ubuntu] Re: Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    I tried copying a single file, for example ~1GB over a wired network.

    I never did resolve the issue on Ubuntu despite trying everything I could find on the net to try, tweaking variables etc.
    ...
  2. [ubuntu] Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    Posted this thread in the beginners section, but didn't seem to get much of a response. Upon searching the forums it appears most ZFS issues have been posted in this Server section, so thought it was...
  3. [ubuntu] Re: Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    I'm still not having any luck with this.

    Any suggestions or advice people can offer would be greatly appreciated.
  4. [ubuntu] Re: Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    No one have any idea why I am seeing such poor speeds? Any tips or advice on how to set up ubuntu-zfs from scratch?
  5. [ubuntu] Re: Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    RAM usage is only ~7%.

    Having a look at the link you sent, the guy still appears to be getting 50MB/s with full RAM, that speed would be fine for me. But I am only getting 350KB/s with empty RAM.
  6. [ubuntu] Re: Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    Thank you for the reply.

    According to the ubuntu wiki page ubuntu-zfs is a "native kernel module".

    Drives are updated to the latest firmware. I know they are cheap, but they are just being used...
  7. [ubuntu] Impossibly Slow ZFS RAIDZ (350KB/s) Brand New Install

    Until recently I had been using mdadm with four drives, with each pair in a RAID1 configuration. These drives were 2x2TB, and 2x3TB, however as free space was very short, I purchased another 2x3TB...
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