<html dir="ltr">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style>
<!--
@font-face
{font-family:Calibri}
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif"}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline}
span.EmailStyle17
{font-family:"Calibri","sans-serif";
color:windowtext}
.MsoChpDefault
{font-family:"Calibri","sans-serif"}
@page WordSection1
{margin:1.0in 1.0in 1.0in 1.0in}
-->
</style><style type="text/css" id="owaParaStyle"></style>
</head>
<body lang="EN-US" link="blue" vlink="purple" fpstyle="1" ocsi="0">
<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">For ldiskfs OSTs, I believe the most common configuration is RAID 6 with 8 disks (6+2 parity) with whatever disk size you're using.
<div><br>
</div>
<div>ZFS OSTs can easily get much, much bigger, but I don't know what sizes are typical there.<br>
<div style="font-family: Times New Roman; color: #000000; font-size: 16px">
<hr tabindex="-1">
<div id="divRpF178138" style="direction: ltr;"><font face="Tahoma" size="2" color="#000000"><b>From:</b> lustre-discuss [lustre-discuss-bounces@lists.lustre.org] on behalf of Andrus, Brian Contractor [bdandrus@nps.edu]<br>
<b>Sent:</b> Tuesday, April 28, 2015 3:01 PM<br>
<b>To:</b> lustre-discuss@lists.lustre.org<br>
<b>Subject:</b> [lustre-discuss] OST partition sizes<br>
</font><br>
</div>
<div></div>
<div>
<div class="WordSection1">
<p class="MsoNormal">Quick question/survey:</p>
<p class="MsoNormal">What is the partition size folks use for their OSTs and why?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="color:#1F497D">Brian Andrus</span></p>
<p class="MsoNormal"><span style="color:#1F497D">ITACS/Research Computing</span></p>
<p class="MsoNormal"><span style="color:#1F497D">Naval Postgraduate School</span></p>
<p class="MsoNormal"><span style="color:#1F497D">Monterey, California</span></p>
<p class="MsoNormal"><span style="color:#1F497D">voice: 831-656-6238</span></p>
<p class="MsoNormal"> </p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>