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<div class="moz-cite-prefix">On 04/15/2014 07:18 AM, Joshua Kramer
wrote:<br>
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<div>Hello All,<br>
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Has anyone ever encountered hardware that is bad
because it'll let you run Linux just fine
(memtest86 passes) but the Linux installer
freezes up at various points and won't run?<br>
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I have a Gigabyte motherboard, 1155, with an i3.
A while ago, when I first put this system together
with all new parts (8g ram, one 1T disk), the
installer ran fine, and the box has been running a
few VM's since then.<br>
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I decided that I wanted to put another disk in the
system to have a RAID1 setup, and replace the RAM
with 16G. So I put the new drive and RAM in, and
backed up my data. Popped in my CentOS 6.5 install
DVD, and... I can't install. The installer freezes
up at various points, usually when it is first
detecting the storage.<br>
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Best to change 1 variable at a time<br>
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<div>I got a new power supply (600w), thinking that the
cheapo 400w unit wasn't delivering enough power. Same
problem. Put the old RAM back in. Same problem.
Disconnected the new disk. Same problem.
Disconnected the original disk, connected the new
one. Same problem. Most recently, I got another
motherboard - an exact duplicate of the first - and,
same problem. (Actually, the first time I installed
on the new motherboard, I got past the "detecting
volumes" screen, but realized the partitioning and
RAID wasn't set up how I wanted it, so I cancelled
that install. Subsequent install attempts result in
the same problem as the original motherboard.)<br>
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<div>But the OS that is currently on there runs just
fine... no kernel panics, no weird messages in dmesg,
etc.<br>
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I'm not sure what has failed now that was working the
first time I installed the system.<br>
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I also attempted to create a RAID array on the
properly-running system by using sfdisk to clone the
partition table to the new drive, then creating a RAID
device and extending the Volume Group to that device,
then doing a pvmove to move the logical volume to the
new RAID device. I used this guide:<br>
<br>
<a moz-do-not-send="true"
href="http://community.spiceworks.com/how_to/show/340-lvm-single-drive-to-lvm-raid-1-mirror-migration">http://community.spiceworks.com/how_to/show/340-lvm-single-drive-to-lvm-raid-1-mirror-migration</a><br>
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Unfortunately, sfdisk does not accurately clone the
partition table if the partitions don't end on cylinder
boundaries, which is the case here. So the pvmove failed
(and probably ate some data).<br>
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I think my next step is going to be to put the two hard
drives in external enclosures, plug them into my laptop, and
then install the system using that. It will probably boot
and run just fine after that. Does anyone have suggestions
as to what else I might do?<br>
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Thanks!<br>
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-JK<br>
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