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List: toasters
Subject: Re: Conflicting Recommendations?
From: tmac <tmacmd () gmail ! com>
Date: 2014-12-29 21:29:45
Message-ID: CAL9X-_EOp8rjBf+7z7pamWhsqHVhW1sJAyGqcYGYhc3ezDO4ng () mail ! gmail ! com
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Honestly, best bet is to just use the current version of Virtual Storage
Console anyway....It puts the best current settings for the combination
(Filer OS, 7-mode/cDOT, ESXi version) of stuff that you are running.
--tmac
*Tim McCarthy*
*Principal Consultant*
On Mon, Dec 29, 2014 at 3:47 PM, Philbert Rupkins <philbertrupkins@gmail.com
> wrote:
> I believe I found part of the reason for the conflict. Despite
> addressing vSphere 5 later in the technical report, TR3749 states the
> following in the Document Roadmap section on page 6:
>
> "This document, TR-3749, is the main document in a set of documents from
> NetApp covering virtualization
> on NetApp, specifically with VMware products. This document is
> specifically in reference to VMware
> vSphere 4."
>
> With that being said, I'm pretty comfortable moving forward with the
> vSphere 5.5 recommendations in the KB article rather than the Netapp
> Storage Best Practices for VMware vSphere.
>
> On Mon, Dec 29, 2014 at 11:50 AM, Philbert Rupkins <
> philbertrupkins@gmail.com> wrote:
>
>> Toasters,
>>
>> It appears the following documents conflict with one another when it
>> comes to recommendations for the value of Net.TcpipHeapMax in ESXi.
>>
>> ----------------------------
>>
>> *How to configure VMware vSphere 5.x for Data ONTAP 7.3 and 8.x*
>> https://kb.netapp.com/support/index?page=content&id=1013275
>>
>> Net.TcpipHeapMax
>>
>> For vSphere 5.0/5.1 set 128
>>
>> For vSphere 5.5 set 512
>> *TR3749 - NetApp Storage Best Practices for VMWare vSphere*
>> http://www.netapp.com/us/media/tr-3749.pdf
>>
>> "While the NetApp best practice remains to set Net.TcpipHeapMax at the
>> maximum value of 128MB, tests have shown ESXi 5 to be less sensitive to
>> depletion of TCP/IP heap memory."
>>
>> ----------------------------
>>
>> It seems that TR3749 may be out of date (last update 2011) as it doesnt
>> distinguish between vSphere 5.0/5.1 and 5.5. To my knowledge, the 128MB
>> maximum TCP/IP heap size is applicable to vsphere 5.0 and 5.1. I believe
>> 5.5 increases this maximum to 512MB.
>>
>> I assume the current recommendation for vSphere 5.5 against a filer
>> running ONTAP 8.1.4 7-Mode is 512MB. Can somebody confirm? Is there a
>> best practices doc like TR3749 for vSphere 5.5 in a 7-mode environment?
>>
>> Thanks,
>> Phil
>>
>
>
> _______________________________________________
> Toasters mailing list
> Toasters@teaparty.net
> http://www.teaparty.net/mailman/listinfo/toasters
>
>
[Attachment #5 (text/html)]
<div dir="ltr">Honestly, best bet is to just use the current version of Virtual \
Storage Console anyway....It puts the best current settings for the combination \
(Filer OS, 7-mode/cDOT, ESXi version) of stuff that you are \
running.<div><br></div><div class="gmail_extra"><br clear="all"><div><div \
class="gmail_signature"><div dir="ltr"><div><div \
dir="ltr">--tmac<div><br></div><div><b>Tim McCarthy</b></div><div><i>Principal \
Consultant</i><div style="text-align:left"><br></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Mon, Dec 29, 2014 at 3:47 PM, Philbert Rupkins <span \
dir="ltr"><<a href="mailto:philbertrupkins@gmail.com" \
target="_blank">philbertrupkins@gmail.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><div dir="ltr">I believe I found part of the reason for the \
conflict. Despite addressing vSphere 5 later in the technical report, TR3749 \
states the following in the Document Roadmap section on page \
6:<div><br></div><div>"This document, TR-3749, is the main document in a set of \
documents from NetApp covering virtualization</div><div>on NetApp, specifically with \
VMware products. This document is specifically in reference to \
VMware</div><div>vSphere 4."</div><div><br></div><div>With that being said, \
I'm pretty comfortable moving forward with the vSphere 5.5 recommendations in the \
KB article rather than the Netapp Storage Best Practices for VMware vSphere. \
</div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div \
class="gmail_quote">On Mon, Dec 29, 2014 at 11:50 AM, Philbert Rupkins <span \
dir="ltr"><<a href="mailto:philbertrupkins@gmail.com" \
target="_blank">philbertrupkins@gmail.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><div dir="ltr">Toasters,<div><br></div><div>It appears the \
following documents conflict with one another when it comes to recommendations for \
the value of Net.TcpipHeapMax in ESXi. \
</div><div><br></div><div>----------------------------</div><div><br></div><div><b>How \
to configure VMware vSphere 5.x for Data ONTAP 7.3 and 8.x</b></div><div><a \
href="https://kb.netapp.com/support/index?page=content&id=1013275" \
target="_blank">https://kb.netapp.com/support/index?page=content&id=1013275</a><br></div><div><br></div><div><span \
style="color:rgb(69,69,69);font-size:12px;line-height:15.960000038147px">Net.TcpipHeapMax</span><br></div><div><span \
style="color:rgb(69,69,69);font-size:12px;line-height:15.960000038147px"><br></span></div><div><p \
style="color:rgb(69,69,69);font-size:12px;line-height:15.960000038147px;margin:0px \
0px 10px;padding:0px">For vSphere 5.0/5.1 set 128</p><p \
style="color:rgb(69,69,69);font-size:12px;line-height:15.960000038147px;margin:0px \
0px 10px;padding:0px">For vSphere 5.5 set 512</p></div><div><b>TR3749 - NetApp \
Storage Best Practices for VMWare vSphere</b></div><div><a \
href="http://www.netapp.com/us/media/tr-3749.pdf" \
target="_blank">http://www.netapp.com/us/media/tr-3749.pdf</a><br></div><div><br></div><div><div>"While \
the NetApp best practice remains to set Net.TcpipHeapMax at the maximum value of \
128MB, tests have shown ESXi 5 to be less sensitive to depletion of TCP/IP heap \
memory."</div></div><div><br></div><div> \
----------------------------</div><div><br></div><div>It seems that TR3749 may be out \
of date (last update 2011) as it doesnt distinguish between vSphere 5.0/5.1 and 5.5. \
To my knowledge, the 128MB maximum TCP/IP heap size is applicable to vsphere 5.0 and \
5.1. I believe 5.5 increases this maximum to 512MB. </div><div><br></div><div>I \
assume the current recommendation for vSphere 5.5 against a filer running ONTAP 8.1.4 \
7-Mode is 512MB. Can somebody confirm? Is there a best practices doc like TR3749 \
for vSphere 5.5 in a 7-mode \
environment?</div><div><br></div><div>Thanks,</div><div>Phil</div></div> \
</blockquote></div><br></div> \
</div></div><br>_______________________________________________<br> Toasters mailing \
list<br> <a href="mailto:Toasters@teaparty.net">Toasters@teaparty.net</a><br>
<a href="http://www.teaparty.net/mailman/listinfo/toasters" \
target="_blank">http://www.teaparty.net/mailman/listinfo/toasters</a><br> \
<br></blockquote></div><br></div></div>
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