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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Planning and pretesting before implementing
in Production – Where’s the fun in that?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Seriously though thanks for posting this.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
ale-bounces@ale.org [mailto:ale-bounces@ale.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>gene.poole@macys.com<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, February 08, 2010
1:17 PM<br>
<b><span style='font-weight:bold'>To:</span></b> ale@ale.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [ale] Adding Raid 1 After
The Fact</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'>List,</span></font> <br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>Sometime
ago I asked whether or not Raid 1 could be added to a system with CentOS 5.3
already installed and running. Well this one of the answers I found, and
the answer that I used:</span></font> <br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>
</span></font><a
href="http://www.howtoforge.org/how-to-set-up-software-raid1-on-a-running-lvm-system-incl-grub-configuration-centos-5.3"><font
size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>http://www.howtoforge.org/how-to-set-up-software-raid1-on-a-running-lvm-system-incl-grub-configuration-centos-5.3</span></font></a>
<br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>The
entire document is 4 pages long and quite detailed. But you must modify
it to your implementation, specifically if you do not use the default
partitioning scheme. Here are some caveats that may not be listed in the
document:</span></font> <o:p></o:p></p>
<ol start=1 type=1>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo2'><font size=2 face=sans-serif><span
style='font-size:10.0pt;font-family:sans-serif'>If you perform this
process, I would do it at the server console.</span></font> <o:p></o:p></li>
</ol>
<ol start=2 type=1>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo3'><font size=2 face=sans-serif><span
style='font-size:10.0pt;font-family:sans-serif'>Be sure that the situation
is stable, a surprise re-boot may have you pulling out your hair (except
for me, I don't have any).</span></font> <o:p></o:p></li>
</ol>
<ol start=3 type=1>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo4'><font size=2 face=sans-serif><span
style='font-size:10.0pt;font-family:sans-serif'>If you have a
non-production machine, try it there first.</span></font> <o:p></o:p></li>
</ol>
<ol start=4 type=1>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo5'><font size=2 face=sans-serif><span
style='font-size:10.0pt;font-family:sans-serif'>Document everything, and I
mean every fdisk -l; pvs; vgs; and lvs. In other words, know your
environment completely.</span></font> <o:p></o:p></li>
</ol>
<ol start=5 type=1>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo6'><font size=2 face=sans-serif><span
style='font-size:10.0pt;font-family:sans-serif'>I would print and read the
document before starting.</span></font><o:p></o:p></li>
</ol>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
</span></font><font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'>I know this because I messed up my test machine
3-times, but in the end my production machine went perfectly.</span></font> <br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>Thanks,<br>
Gene Poole</span></font><o:p></o:p></p>
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<FONT FACE="Arial" SIZE="2">Proud partner. Susan G. Komen for the Cure.</FONT>
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