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 <[email protected]>Change-Id: 
Icfaecce4dfa91da6632dc90b265aff87f022a166

      From: Riccardo Veraldi <[email protected]>
 To: sohamm <[email protected]>; Alexander I Kulyavtsev <[email protected]> 
Cc: "[email protected]" <[email protected]>
 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 <[email protected]> wrote:
 
  Install zfs and spl from zfsonlinux.org
 
 Alex  
 On May 4, 2016, at 12:40 AM, sohamm <[email protected]> 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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