Advice On CentOS 7, Software Raid 1, Lvm, 3 TB Disks

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Greetings –

I am preparing to order a new desktop system for work. In general the new system will be a Dell Precision T3610 with two 3 TB drives. I plan on installing CentOS 7 as a KVM host, with virtual machines for Win 7 Pro and Linux Mint. I am looking for some advice or a good how-to on configuring software raid on the two drives, then using LVM for the host and virtual machines. I have configured our company server (Dell T610) with hardware raid and LVM for a CentOS 6 KVM host and several virtual machines so I am not a complete novice, but have never setup a Linux software raid system, and have not played with a CentOS 7 install yet. I have been searching the web and forums for information and am not finding much for good guidance. Lots of gotcha’s are popping up identifying issues related to CentOS 7, software raid 1, grub install, > 2 TB disks (or any combination of these factors). The CentOS Wiki has a good description of installing CentOS 5
with raid 1, but there is a big warning about being an unsupported (risky)
approach. Can anyone point me to a good how-to, or provide some general guidance. Thanks.

Jeff Boyce www.meridianenv.com

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