[lustre-discuss] Issue with installing zfs on lustre

Wed May 4 00:42:27 PDT 2016

Well, it seems to be old information:

Change 19632 - Needs Code-ReviewLU-7404 zfs: Reset default zfs version to 0.6.5.5
It turned out the I/O timeout was related to the storage onHyperion, and the workaround solution is to reduce maximumdirty data ZFS can cache in memory by setting:
  options zfs zfs_dirty_data_max=<value>
This patch will propose Lustre to use latest ZFS release fromupstream.
Signed-off-by: Jinshan Xiong <jinshan.xiong at intel.com>Change-Id: Icfaecce4dfa91da6632dc90b265aff87f022a166

      From: Riccardo Veraldi <Riccardo.Veraldi at cnaf.infn.it>
 To: sohamm <sohamm at gmail.com>; Alexander I Kulyavtsev <aik at fnal.gov> 
Cc: "lustre-discuss at lists.lustre.org" <lustre-discuss at lists.lustre.org>
 Sent: Wednesday, May 4, 2016 10:37 AM
 Subject: Re: [lustre-discuss] Issue with installing zfs on lustre

 you need to use 0.6.4.2

 this because lustre has I/O performance issues with the latest ZFS version for linux.

 I used ZFS 0.6.4 and it works.

 only you have to build your own lustre 2.8.0  RPM and eventually build them without ldiskfs support.
 I was not interested in ldiskfs so I just took it out.
 The lustre.spec files from the src.rpm anyway has some issues, you will see it yourself so you will need
 to tweak it a little bit, but it will work at the end.

 I gave you very useful hints on how to go on.

 So now you can do it yourself.

 On 03/05/16 23:53, sohamm wrote:

  Thanks Alex 
  zfsonlinux.org/lustre.html shows that the packages are available for epel6 and not 7 
  zfsonlinux.org/epel.html shows that the packages are available for epel7. so if use this,   $ sudo yum localinstall --nogpgcheck http://archive.zfsonlinux.org/epel/zfs-release.el7.noarch.rpm
$ sudo yum install epel-release
$ sudo yum install kernel-devel zfs   i get the below..   Dependencies Resolved 
  ==============================================================================================  Package              Arch          Version                              Repository      Size ============================================================================================== Installing:  zfs                  x86_64        0.6.5.6-1.el7.centos                 zfs            330 k Installing for dependencies:  cpp                  x86_64        4.8.5-4.el7                          base           5.9 M  dkms                 noarch        2.2.0.3-30.git.7c3e7c5.el7           epel            77 k  gcc                  x86_64        4.8.5-4.el7                          base            16 M  glibc-devel          x86_64        2.17-106.el7_2.4                     updates        1.0 M  glibc-headers        x86_64        2.17-106.el7_2.4                     updates        662 k  libmpc               x86_64        1.0.1-3.el7                          base            51 k  libnvpair1           x86_64        0.6.5.6-1.el7.centos                 zfs             32 k  libuutil1            x86_64        0.6.5.6-1.el7.centos                 zfs             37 k  libzfs2              x86_64        0.6.5.6-1.el7.centos                 zfs            118 k  libzpool2            x86_64        0.6.5.6-1.el7.centos                 zfs            419 k  mpfr                 x86_64        3.1.1-4.el7                          base           203 k  spl                  x86_64        0.6.5.6-1.el7.centos                 zfs             28 k  spl-dkms             noarch        0.6.5.6-1.el7.centos                 zfs            426 k  zfs-dkms             noarch        0.6.5.6-1.el7.centos                 zfs            1.8 M 
  Transaction Summary ============================================================================================== Install  1 Package (+14 Dependent packages) 

  However you can notice that version for some of the dependencies and zfs is 0.6.5 and the ones in the hpddlustre server are 0.6.4. So i am not sure if the newer zfs + dependent file versions would work well with the lustre without issues. Also is there a order in installing zfs vs lustre and does that make a difference. 

  Thanks Div 

 On Tue, May 3, 2016 at 10:46 PM, Alexander I Kulyavtsev <aik at fnal.gov> wrote:

  Install zfs and spl from zfsonlinux.org

 Alex  
 On May 4, 2016, at 12:40 AM, sohamm <sohamm at gmail.com> wrote:

 Downloading packages: kmod-zfs-3.10.0-327.13.1.el7_l FAILED http://build.hpdd.intel.com/job/lustre-master/arch=x86_64%2Cbuild_type=server%2Cdistro=el7%2Cib_stack=inkernel/lastSuccessfulBuild/artifact/artifacts/RPMS/x86_64/kmod-zfs-3.10.0-327.13.1.el7_lustre.x86_64-0.6.4.2-1.el7.x86_64.rpm: [Errno 14] HTTPS Error 401 - Unauthorized 

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