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*nix Thread, ZFS dedupe performance hit? (and implications for dedupe on 7110) in Technical; Originally Posted by apaton Give VirtualBox a try, worked first time for me. Nope, no luck here. OpenSolaris refuses to ...
  1. #16

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    Quote Originally Posted by apaton View Post
    Give VirtualBox a try, worked first time for me.
    Nope, no luck here. OpenSolaris refuses to boot any further than a GRUB command prompt. I've tried running it on the bare server, as an HVM Xen VM and as a VirtualBox VM on my desktop - same results every time. Hmm, maybe a corrupt ISO? I'm currently donwloading osol-dev-131-x86.iso from Genunix sintead, see if I get anywhere with that.

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    /usr/bin/updimg.sh
    This script fails to run on my backup server. In the end, I figured out this was due to a lack of RAM. The LiveCD boots and assigns /tmp to a RAM disk. The script above then tries to decompress the filesystem on the CD to /tmp, so if you don't have enough RAM it fills up and breaks. A VirtualBox VM with 1.5GB of RAM assgined seems to work okay (the backup server has 1GB of RAM), so it looks like around 1.5GB is a sensible minimum to use this script.

    EON is a good idea, but I don't think it's quite suitible for what I want to do - I don't really want to have to rebuild the boot file system every time I make a settings change, and I want to be able to setup Samba and install rsync without to much effort.

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    Last edited by dhicks; 5th February 2010 at 05:43 PM.

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    Quote Originally Posted by dhicks View Post
    Nope, no luck here. OpenSolaris refuses to boot any further than a GRUB command prompt. I've tried running it on the bare server, as an HVM Xen VM and as a VirtualBox VM on my desktop - same results every time. Hmm, maybe a corrupt ISO? I'm currently donwloading osol-dev-131-x86.iso from Genunix sintead, see if I get anywhere with that.

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    Ive found the 64bit versions wont boot, infact ive even had it crash my host pc! 32bit has worked just fine.

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    Quote Originally Posted by j17sparky View Post
    Ive found the 64bit versions wont boot
    I checked the MD5 checksum, turned out to be a corrupt ISO image. I've now downloaded and installed 2009.06 (the latest release version booted but crashed on GUI login), updated it to the current dev version (er, I think - to a version that supports ZFS with deduplication support, anyway, which is what this is all in aid of in the first place) and managed to create a 6-disk RAID-Z array with dedupe switched on. Now I just have to get Samba working...

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  5. #20
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    Quote Originally Posted by dhicks View Post
    I think - to a version that supports ZFS with deduplication supports
    Check your ZFS Version
    Code:
    apaton@osol:~$ zpool upgrade -v
    This system is currently running ZFS pool version 22.
    
    The following versions are supported:
    
    VER  DESCRIPTION
    ---  --------------------------------------------------------
     1   Initial ZFS version
     2   Ditto blocks (replicated metadata)
     3   Hot spares and double parity RAID-Z
     4   zpool history
     5   Compression using the gzip algorithm
     6   bootfs pool property
     7   Separate intent log devices
     8   Delegated administration
     9   refquota and refreservation properties
     10  Cache devices
     11  Improved scrub performance
     12  Snapshot properties
     13  snapused property
     14  passthrough-x aclinherit
     15  user/group space accounting
     16  stmf property support
     17  Triple-parity RAID-Z
     18  Snapshot user holds
     19  Log device removal
     20  Compression using zle (zero-length encoding)
     21  Deduplication
     22  Received properties
    
    For more information on a particular version, including supported releases, see:
    
    http://www.opensolaris.org/os/community/zfs/version/N
    
    Where 'N' is the version number.

  6. Thanks to apaton from:

    dhicks (5th February 2010)

  7. #21

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    Quote Originally Posted by apaton View Post
    Check your ZFS Version
    Done that - setting dedupe failed with a "must upgrade" message, so I upgraded and all seems fine.

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