6:50 a.m.
------FJPTAOTC7WINF1RXJ2RM2050Z3DNHO
Content-Transfer-Encoding: 8bit
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Hi all,
I am thinking to setup an environment with oVirt and centralized storage using a NAS that
supports NFS and iSCSI.
The setup will be used to host approx 20 VMs. The VMs will be running critical services
and not for testing. I have seen several from QNAP, iXsystems (freenas mini), ...
What NAS would you recommend for this setup?
Thanx,
Alex
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
------FJPTAOTC7WINF1RXJ2RM2050Z3DNHO
Content-Type: text/html;
charset=utf-8
Content-Transfer-Encoding: 8bit
Hi all,<br>
<br>
I am thinking to setup an environment with oVirt and centralized storage using a NAS that
supports NFS and iSCSI.<br>
<br>
The setup will be used to host approx 20 VMs. The VMs will be running critical services
and not for testing. I have seen several from QNAP, iXsystems (freenas mini),
...<br>
What NAS would you recommend for this setup?<br>
<br>
Thanx,<br>
Alex<br>
-- <br>
Sent from my Android device with K-9 Mail. Please excuse my brevity.
------FJPTAOTC7WINF1RXJ2RM2050Z3DNHO--
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9:06 a.m.
I've got a similar setup, FC Compellent for primary storage and a Synology
Rack NAS for testing.
Synology with 4 bonded ports is plenty fast enough for my needs.
On 23 December 2016 at 13:20, Andrea Ghelardi <a.ghelardi(a)iontrading.com>
wrote:
Hello Alex,
Specs you provided are a little bit vague. You don’t specify storage space.
Our main storage here is a SAN Compellent, but we do have also Synology
and we are quite happy with it
You can start searching this or comparable product
https://www.synology.com/en-global/products/RS2416+ for your production
Cheers
Andrea
*From:* users-bounces(a)ovirt.org [mailto:users-bounces@ovirt.org] *On
Behalf Of *rightkicktech.gmail.com
*Sent:* Friday, December 23, 2016 1:50 PM
*To:* users(a)ovirt.org
*Subject:* [ovirt-users] NAS for oVirt
Hi all,
I am thinking to setup an environment with oVirt and centralized storage
using a NAS that supports NFS and iSCSI.
The setup will be used to host approx 20 VMs. The VMs will be running
critical services and not for testing. I have seen several from QNAP,
iXsystems (freenas mini), ...
What NAS would you recommend for this setup?
Thanx,
Alex
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
3:05 p.m.
------JG2GO2GHK1T3DFHD582JK0XOS6YKNK
Content-Transfer-Encoding: 8bit
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Hi Andrea,
The storage would be 6 TB.
I will have a look on the options from Synology.
Thank you.
Alex
On December 23, 2016 3:20:59 PM EET, Andrea Ghelardi <a.ghelardi(a)iontrading.com>
wrote:
Hello Alex,
Specs you provided are a little bit vague. You don’t specify storage
space.
Our main storage here is a SAN Compellent, but we do have also Synology
and we are quite happy with it
You can start searching this or comparable product
https://www.synology.com/en-global/products/RS2416+ for your production
Cheers
Andrea
From: users-bounces(a)ovirt.org [mailto:users-bounces@ovirt.org] On
Behalf Of rightkicktech.gmail.com
Sent: Friday, December 23, 2016 1:50 PM
To: users(a)ovirt.org
Subject: [ovirt-users] NAS for oVirt
Hi all,
I am thinking to setup an environment with oVirt and centralized
storage using a NAS that supports NFS and iSCSI.
The setup will be used to host approx 20 VMs. The VMs will be running
critical services and not for testing. I have seen several from QNAP,
iXsystems (freenas mini), ...
What NAS would you recommend for this setup?
Thanx,
Alex
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
------JG2GO2GHK1T3DFHD582JK0XOS6YKNK
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vlink="#954F72">Hi Andrea,<br>
<br>
The storage would be 6 TB.<br>
I will have a look on the options from Synology.<br>
Thank you.<br>
<br>
Alex<br>
<br><br><div class="gmail_quote">On December 23, 2016 3:20:59
PM EET, Andrea Ghelardi &lt;a.ghelardi(a)iontrading.com&gt; wrote:<blockquote
class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px
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<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hello
Alex,<p></p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Specs
you provided are a little bit vague. You don’t specify storage
space.<p></p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Our
main storage here is a SAN Compellent, but we do have also Synology and we are quite happy
with it<p></p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">You
can start searching this or comparable product
<a
href="https://www.synology.com/en-global/products/RS2416">ht...;
for your production<p></p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"><p> </p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Cheers<p></p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">Andrea<p></p></span></p>
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<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span
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users-bounces(a)ovirt.org [mailto:users-bounces@ovirt.org]
<b>On Behalf Of </b>rightkicktech.gmail.com<br />
<b>Sent:</b> Friday, December 23, 2016 1:50 PM<br />
<b>To:</b> users(a)ovirt.org<br />
<b>Subject:</b> [ovirt-users] NAS for
oVirt<p></p></span></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">Hi all,<br />
<br />
I am thinking to setup an environment with oVirt and centralized storage using a NAS that
supports NFS and iSCSI.<br />
<br />
The setup will be used to host approx 20 VMs. The VMs will be running critical services
and not for testing. I have seen several from QNAP, iXsystems (freenas mini), ...<br
/>
What NAS would you recommend for this setup?<br />
<br />
Thanx,<br />
Alex<br /></p></div></blockquote></div><br>
-- <br>
Sent from my Android device with K-9 Mail. Please excuse my
brevity.</body></html>
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4:45 p.m.
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Hi Mikhail,
Thank you for your suggestion.
Have you had any performance issues with freenas? It has been mentioned on some blogs that
freenas might have performance issues. Not sure why.
A clean Centos with NFS sounds ok also. What do you do if you need snapshots of data? Lvm
snapshots?
Alex
On December 23, 2016 5:08:42 PM EET, "Краснобаев Михаил" <milo1(a)ya.ru>
wrote:
Hi,
it mainly depends on the budget. I can give you some advice from my own
experience:
SMB systems from QNAP or any other vendor don't cope well with the load
that OVirt generates (simultaneous access), because they are usually
built on slow drives.
Using 15K drives helps a bit. I have a Centos machine that is used only
as a file storage (NFS, 4x15K drives in raid5).
I would suggest trying to built a Freenas machine on NL-SAS drives +
SSD cache. In my opinion it would the most cost efficient decision.
Best regards,
MIkhail
23.12.2016, 15:53, "rightkicktech.gmail.com" <rightkicktech(a)gmail.com>:
Hi all,
I am thinking to setup an environment with oVirt and centralized
storage using a NAS that supports NFS and iSCSI.
The setup will be used to host approx 20 VMs. The VMs will be running
critical services and not for testing. I have seen several from QNAP,
iXsystems (freenas mini), ...
What NAS would you recommend for this setup?
Thanx,
Alex
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.,
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
--
С уважением, Краснобаев Михаил.
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
------CHXD98MVMTN6WB8GSD0SPZVCG4IPUC
Content-Type: text/html;
charset=utf-8
Content-Transfer-Encoding: 8bit
<html><head></head><body>Hi Mikhail,<br>
<br>
Thank you for your suggestion.<br>
Have you had any performance issues with freenas? It has been mentioned on some blogs that
freenas might have performance issues. Not sure why.<br>
A clean Centos with NFS sounds ok also. What do you do if you need snapshots of data? Lvm
snapshots?<br>
<br>
Alex<br><br><div class="gmail_quote">On December 23, 2016
5:08:42 PM EET, "Краснобаев Михаил" &lt;milo1(a)ya.ru&gt;
wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex;
border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div>Hi,</div><div> </div><div>it mainly depends on the
budget. I can give you some advice from my own
experience:</div><div> </div><div>SMB systems from QNAP or any
other vendor don't cope well with the load that OVirt generates (simultaneous access),
because they are usually built on slow drives.</div><div>Using 15K drives
helps a bit. I have a Centos machine that is used only as a file storage (NFS, 4x15K
drives in raid5).</div><div> </div><div>I would suggest trying to
built a Freenas machine on NL-SAS drives + SSD cache. In my opinion it would the most cost
efficient decision.</div><div> </div><div>Best
regards,</div><div> </div><div>MIkhail</div><div> </div><div>23.12.2016,
15:53, "rightkicktech.gmail.com"
<rightkicktech@gmail.com>:</div><blockquote
type="cite">Hi all,<br /><br />I am thinking to setup an
environment with oVirt and centralized storage using a NAS that supports NFS and
iSCSI.<br /><br />The setup will be used to host approx 20 VMs. The VMs will
be
running critical services and not for testing. I have seen several from QNAP, iXsystems
(freenas mini), ...<br />What NAS would you recommend for this setup?<br
/><br />Thanx,<br />Alex<br />--<br />Sent from my Android
device with K-9 Mail. Please excuse my
brevity.,<p>_______________________________________________<br />Users mailing
list<br /><a
href="mailto:Users@ovirt.org">Users@ovirt.org</a><br /><a
href="http://lists.ovirt.org/mailman/listinfo/users">http://...
уважением, Краснобаев
Михаил.</div><div> </div><div> </div></blockquote></div><br>
-- <br>
Sent from my Android device with K-9 Mail. Please excuse my
brevity.</body></html>
------CHXD98MVMTN6WB8GSD0SPZVCG4IPUC--
2:51 p.m.
On 12/23/2016 04:45 PM, rightkicktech.gmail.com wrote:
Hi Mikhail,
Thank you for your suggestion.
Have you had any performance issues with freenas? It has been mentioned on some
blogs that freenas might have performance issues. Not sure why.
A clean Centos with NFS sounds ok also. What do you do if you need snapshots of
data? Lvm snapshots?
So... if you have VERY limited network, that is 1Gbit, for example, you'll find
that to be one of the biggest bottlenecks performance wise for a NAS.
Assuming you have good 10Gbit, the bottleneck likely switches to storage. For
spinning rust, number of spindles can help. Generally speaking, because this is
NAS, you might not get much out of rotational speeds and seek times on those
higher end drives. That is to say, you won't see huge differences between 7200
rpm and even 15K rpm. SSD is a different thing, obviously, it will perform the
best and allow you to make the most of that 10Gbit (or more) connection to storage.
Memory. On a NAS, memory is important. I wouldn't go for anything less than
32GB. The more you can cache the better. With regards to "sync" vs
"async"...
if you have an enterprise setup where power is reliable, going to "async" could
really help on writes. If you need lots and lots of NAS storage NFS 4.1 (which
could perform better in certain cases anyway) will allow you to offload some
operations when you have a parallel NFS configuration.
I'm running a NAS on CentOS with 10Gbit iSCSI attached SAN storage with lots of
spindles in RAID6. Again, if you have "good" storage.. it's just storage
and
now you can focus on the NAS head itself. I run NFS 4.1 there and have 32G of
ram. I run "async" since this in the datacenter, data is backed up and lots of
power redundancy. You can increase write performance by 40-60% doing that (btw,
this is what the "big boys" do to post the numbers the post).
By using a CentOS based NAS, I get the flexibility of doing CIFS via Samba4 as
an option... now this isn't oVirt, but for times when I need to expose storage
to Windows hosts with full Windows permissions support.
Underneath, again, since it's a home grown thing, I can use a broad mixture of
storage configuration and fileystems. If you feel very uncomfortable with Linux
(which would be odd if you chose oVirt).. then maybe go FreeNAS, but I'm saying
you can do a whole lot better.
But, I'm guessing possibly this is a low end network. In which case, again,
that's going to be primary bottleneck performance wise. I'd go for space and
price realizing that performance will never be all that awesome. With that
said, there are lots of ultra-cheap home NAS units that say they are gigabit,
but often can deliver no more than 300Mbit or so.
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Краснобаев Михаил