Hi !

Deadlock of NFS loopback happens with 3.10 stock kernel from CentOS 7.6 only or 
also with 4.x mainline ?

I use 4.x mainline on my nodes.



> On 19 Nov 2018, at 12:59, Simone Tiraboschi <stira...@redhat.com> wrote:
> 
> 
> 
> On Sun, Nov 18, 2018 at 12:58 PM Andrei Verovski <andre...@starlett.lv 
> <mailto:andre...@starlett.lv>> wrote:
> Hi !
> 
> I run a series of benchmarks with IOZONE testing performance of 
> different RAID configurations on HP ProLiant DL380 + impact of NFS loopback.
> 
> NFS loopback is necessary even for very small systems (e.g. just 2 
> 
> AFAIK NFS loopback is still considered a bad practice and it's still strongly 
> recommended against since it could lead to deadlock and data loss.
> See https://access.redhat.com/solutions/22231 
> <https://access.redhat.com/solutions/22231>
> I'd strongly recommend a single node hyper-converged gluster over that.
>  
> nodes), since oVirt local storage setup is limited to single (only one) 
> node per data center and this is quite useless from the point of view of 
> functionality.
> 
> Full article:
> http://www.vacuum-tube.eu/wp/?p=537 <http://www.vacuum-tube.eu/wp/?p=537>
> 
> Short YouTube slide show:
> https://www.youtube.com/watch?v=Xw_VN9G8jSI 
> <https://www.youtube.com/watch?v=Xw_VN9G8jSI>
> 
> Related video:
> Moving away from local storage setup to NFS/GlusterFS
> https://www.youtube.com/watch?v=2ebhZ5U6x_Y 
> <https://www.youtube.com/watch?v=2ebhZ5U6x_Y>
> _______________________________________________
> Users mailing list -- users@ovirt.org <mailto:users@ovirt.org>
> To unsubscribe send an email to users-le...@ovirt.org 
> <mailto:users-le...@ovirt.org>
> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ 
> <https://www.ovirt.org/site/privacy-policy/>
> oVirt Code of Conduct: 
> https://www.ovirt.org/community/about/community-guidelines/ 
> <https://www.ovirt.org/community/about/community-guidelines/>
> List Archives: 
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/OCXJAMVDUVLZR5YUR26GD3CTOM4LJCJZ/
>  
> <https://lists.ovirt.org/archives/list/users@ovirt.org/message/OCXJAMVDUVLZR5YUR26GD3CTOM4LJCJZ/>

_______________________________________________
Users mailing list -- users@ovirt.org
To unsubscribe send an email to users-le...@ovirt.org
Privacy Statement: https://www.ovirt.org/site/privacy-policy/
oVirt Code of Conduct: 
https://www.ovirt.org/community/about/community-guidelines/
List Archives: 
https://lists.ovirt.org/archives/list/users@ovirt.org/message/QTFGVQUR6GVNLAZJ25PYCWBWEAJCAJEB/

Reply via email to