I've a system that has been running CentOS 6 64-bit for almost 4-years
and I want to start the move to CentOS 7 64-bit.
I run software RAID-1 with LVM everywhere except /boot which is a
standard partition RAID-1. There are 2 areas that concern me greatly
about this migration:
1. How do I duplicate my current grub configuration file that supports
a failure of /dev/sda to grub2?
2. How do I install CentOS 7 but use my existing hard drive layout so I
only format specific OS file systems. My drive layout goes back to the
original proposed FHS layout. The separate partitions are:
/boot 1GB
/ 6GB
/home 4GB
/opt 4GB
/tmp 2GB
/usr 12GB
/usr/local 2GB
/var 8GB
swap 16GB
Plus many other file system dedicated to specific applications and data.
When I moved from CentOS 5 to CentOS 6 all of the OS partitions were
formatted except /home. All went extremely well then.
But I don't see a way to do that with CentOS 7.
Is there some detailed installation instructions showing some advanced
methods?
TIA
Gene
--
Eugene Poole
Woodstock, Georgia
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