<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi Ben,</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">
For glusterfs would you recommend the enterprise-storage or throughput-performance tuned profile?</div><div class="gmail_extra"><br clear="all"><div><font face="tahoma, sans-serif">Thanks,<br>Andrew</font><br></div>
<br><br><div class="gmail_quote">On Tue, Dec 10, 2013 at 6:31 AM, Ben Turner <span dir="ltr"><<a href="mailto:bturner@redhat.com" target="_blank">bturner@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="HOEnZb"><div class="h5">----- Original Message -----<br>
> From: "Ben Turner" <<a href="mailto:bturner@redhat.com">bturner@redhat.com</a>><br>
> To: "Heiko Krämer" <<a href="mailto:hkraemer@anynines.de">hkraemer@anynines.de</a>><br>
> Cc: "<a href="mailto:gluster-users@gluster.org">gluster-users@gluster.org</a> List" <<a href="mailto:gluster-users@gluster.org">gluster-users@gluster.org</a>><br>
> Sent: Monday, December 9, 2013 2:26:45 PM<br>
> Subject: Re: [Gluster-users] Gluster infrastructure question<br>
><br>
> ----- Original Message -----<br>
> > From: "Heiko Krämer" <<a href="mailto:hkraemer@anynines.de">hkraemer@anynines.de</a>><br>
> > To: "<a href="mailto:gluster-users@gluster.org">gluster-users@gluster.org</a> List" <<a href="mailto:gluster-users@gluster.org">gluster-users@gluster.org</a>><br>
> > Sent: Monday, December 9, 2013 8:18:28 AM<br>
> > Subject: [Gluster-users] Gluster infrastructure question<br>
> ><br>
> > -----BEGIN PGP SIGNED MESSAGE-----<br>
> > Hash: SHA1<br>
> ><br>
> > Heyho guys,<br>
> ><br>
> > I'm running since years glusterfs in a small environment without big<br>
> > problems.<br>
> ><br>
> > Now I'm going to use glusterFS for a bigger cluster but I've some<br>
> > questions :)<br>
> ><br>
> > Environment:<br>
> > * 4 Servers<br>
> > * 20 x 2TB HDD, each<br>
> > * Raidcontroller<br>
> > * Raid 10<br>
> > * 4x bricks => Replicated, Distributed volume<br>
> > * Gluster 3.4<br>
> ><br>
> > 1)<br>
> > I'm asking me, if I can delete the raid10 on each server and create<br>
> > for each HDD a separate brick.<br>
> > In this case have a volume 80 Bricks so 4 Server x 20 HDD's. Is there<br>
> > any experience about the write throughput in a production system with<br>
> > many of bricks like in this case? In addition i'll get double of HDD<br>
> > capacity.<br>
><br>
> Have a look at:<br>
><br>
> <a href="http://rhsummit.files.wordpress.com/2012/03/england-rhs-performance.pdf" target="_blank">http://rhsummit.files.wordpress.com/2012/03/england-rhs-performance.pdf</a><br>
<br>
</div></div>That one was from 2012, here is the latest:<br>
<br>
<a href="http://rhsummit.files.wordpress.com/2013/07/england_th_0450_rhs_perf_practices-4_neependra.pdf" target="_blank">http://rhsummit.files.wordpress.com/2013/07/england_th_0450_rhs_perf_practices-4_neependra.pdf</a><br>
<span class="HOEnZb"><font color="#888888"><br>
-b<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
> Specifically:<br>
><br>
> ● RAID arrays<br>
> ● More RAID LUNs for better concurrency<br>
> ● For RAID6, 256-KB stripe size<br>
><br>
> I use a single RAID 6 that is divided into several LUNs for my bricks. For<br>
> example, on my Dell servers(with PERC6 RAID controllers) each server has 12<br>
> disks that I put into raid 6. Then I break the RAID 6 into 6 LUNs and<br>
> create a new PV/VG/LV for each brick. From there I follow the<br>
> recommendations listed in the presentation.<br>
><br>
> HTH!<br>
><br>
> -b<br>
><br>
> > 2)<br>
> > I've heard a talk about glusterFS and out scaling. The main point was<br>
> > if more bricks are in use, the scale out process will take a long<br>
> > time. The problem was/is the Hash-Algo. So I'm asking me how is it if<br>
> > I've one very big brick (Raid10 20TB on each server) or I've much more<br>
> > bricks, what's faster and is there any issues?<br>
> > Is there any experiences ?<br>
> ><br>
> > 3)<br>
> > Failover of a HDD is for a raid controller with HotSpare HDD not a big<br>
> > deal. Glusterfs will rebuild automatically if a brick fails and there<br>
> > are no data present, this action will perform a lot of network traffic<br>
> > between the mirror bricks but it will handle it equal as the raid<br>
> > controller right ?<br>
> ><br>
> ><br>
> ><br>
> > Thanks and cheers<br>
> > Heiko<br>
> ><br>
> ><br>
> ><br>
> > - --<br>
> > Anynines.com<br>
> ><br>
> > Avarteq GmbH<br>
> > B.Sc. Informatik<br>
> > Heiko Krämer<br>
> > CIO<br>
> > Twitter: @anynines<br>
> ><br>
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> > Comment: Using GnuPG with Thunderbird - <a href="http://www.enigmail.net/" target="_blank">http://www.enigmail.net/</a><br>
> ><br>
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