[Gluster-users] Gluster performance / Dell Idrac enterprise conflict

Ryan Wilkinson ryanwilk at gmail.com
Mon Feb 26 15:12:01 UTC 2018

Thanks for the suggestion.  I tried both of these with no difference in
performance.I have tried several other Dell hosts with Idrac Enterprise and
getting the same results.  I also tried a new Dell T130 with Idrac express
and was getting over 700 MB/s.  Any other users had this issues with Idrac

On Thu, Feb 22, 2018 at 12:16 AM, Serkan Çoban <cobanserkan at gmail.com>

> "Did you check the BIOS/Power settings? They should be set for high
> performance.
> Also you can try to boot "intel_idle.max_cstate=0" kernel command line
> option to be sure CPUs not entering power saving states.
> On Thu, Feb 22, 2018 at 9:59 AM, Ryan Wilkinson <ryanwilk at gmail.com>
> wrote:
> >
> >
> > I have a 3 host gluster replicated cluster that is providing storage for
> our
> > RHEV environment.  We've been having issues with inconsistent performance
> > from the VMs depending on which Hypervisor they are running on.  I've
> > confirmed throughput to be ~9Gb/s to each of the storage hosts from the
> > hypervisors.  I'm getting ~300MB/s disk read spead when our test vm is on
> > the slow Hypervisors and over 500 on the faster ones.  The performance
> > doesn't seem to be affected much by the cpu, memory that are in the
> > hypervisors.  I have tried a couple of really old boxes and got over 500
> > MB/s.  The common thread seems to be that the poorly perfoming hosts all
> > have Dell's Idrac 7 Enterprise.  I have one Hypervisor that has Idrac 7
> > express and it performs well.  We've compared system packages and
> versions
> > til we're blue in the face and have been struggling with this for a
> couple
> > months but that seems to be the only common denominator.  I've tried on
> one
> > of those Idrac 7 hosts to disable the nic, virtual drive, etc, etc. but
> no
> > change in performance.  In addition, I tried 5 new hosts and all are
> > complying to the Idrac enterprise theory.  Anyone else had this issue?!
> >
> >
> >
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://lists.gluster.org/mailman/listinfo/gluster-users
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