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<p>That's one of the reasons I prefer File storage (like NFS) than
iSCSI or Fiberchannel. A lot more flexible and manageable.</p>
<p>In the past for VMFS5 I used to work with 4TB LUNs. Now a days
something between 4TB and 8TB may be ok given the bigger size of
VMs, depending on your enviroment of course. However one thing to
take attention in this scenario is how the metadata update process
and how that can impact performance on bigger LUNs.</p>
<p>Fernando<br>
</p>
<br>
<div class="moz-cite-prefix">On 07/12/2017 08:51, Maor Lipchuk
wrote:<br>
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<div class="gmail_quote">On Thu, Dec 7, 2017 at 9:10 AM,
Richard Chan <span dir="ltr"><<a
href="mailto:richard@treeboxsolutions.com"
target="_blank" moz-do-not-send="true">richard@treeboxsolutions.com</a>></span>
wrote:<br>
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<div>What is the best practice for iSCSI storage
domains:<br>
<br>
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Many small targets vs a few large targets?</div>
<div><br>
</div>
<div>Specific example: if you wanted a 8TB storage
domain would you prepare a single 8TB LUN or (for
example) 8 x 1 TB LUNs.</div>
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<div>There could be many reasons to use each type.</div>
<div>From the top of my head I think that configuration wise
it will be better to configure more than one lun.</div>
<div>That can be helpful if you plan to use external LUN
disks for example.
<div><br>
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<div>Multiple targets might also come useful if you plan to
configure iSCSI multipath in the future, that way you can
choose only part of the targets to apply the MPIO on.</div>
<div> </div>
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-- <br>
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<div dir="ltr"><font
color="#000000" face="Droid
Sans"><span
style="font-size:15px">Richard
Chan</span></font></div>
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