Hi Nathan,<br><br>please find the inlined comments.<br><br><div class="gmail_quote">On Mon, Feb 23, 2009 at 7:30 PM, Nathan Stratton <span dir="ltr"><<a href="mailto:nathan@robotics.net">nathan@robotics.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
Lets say you had 4 servers and you wanted to setup replicate and distribute. What methoid would be better:<br>
<br>
server sdb1<br>
xen0 brick0<br>
xen1 mirror0<br>
xen2 brick1<br>
xen3 mirror1<br>
<br>
replicate block0 - brick0 mirror0<br>
replicate block1 - brick1 mirror1<br>
distribute unify - block0 block1<br>
<br>
or<br>
<br>
server sdb1 sdb2<br>
xen0 brick0 mirror3<br>
xen1 brick1 mirror0<br>
xen2 brick2 mirror1<br>
xen3 brick3 mirror2<br>
<br>
replicate block0 - brick0 mirror0<br>
replicate block1 - brick1 mirror1<br>
replicate block2 - brick2 mirror2<br>
replicate block3 - brick3 mirror3<br>
distribute unify - block 1 block2 block3 block4</blockquote><div><br>This configuration is better since the brick and mirror are on two different disks (sdb1 and sdb2 respectively) and data can be still restored if one of the disk fails.<br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<><br>
</blockquote>
Nathan Stratton CTO, BlinkMind, Inc.<br>
nathan at <a href="http://robotics.net" target="_blank">robotics.net</a> nathan at <a href="http://blinkmind.com" target="_blank">blinkmind.com</a><br>
<a href="http://www.robotics.net" target="_blank">http://www.robotics.net</a> <a href="http://www.blinkmind.com" target="_blank">http://www.blinkmind.com</a><br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Raghavendra G<br><br>