> I attempted to install CentOS 7 x86_64 on my machine that has the
> following hardware:
>
> Motherboard: ASRock X99 Taichi
> BIOS: AMI v P1.40 08/04/2016
> CPU: Intel Core I7-5820K
> RAM: 64 GB (8 x 8 GB DIMM)
> Optical: LG Blu Ray 25 G / 50 G burner
> Storage: 2 - 120GB PNY CS1311 SSD 4 - 4 TB Western Digital
> hard drives
> The 2 SSD drives are divided into 3 software RAID-1
> devices:
> /dev/sda1 | /dev/sdb1 = /dev/md0 (2 GB)
> /dev/md0 /boot
> /dev/sda2 | /dev/sdb2 = /dev/md1 (77 GB) LVM
> /dev/VG_opsys
> /dev/vg_opsys/lv_root / 8 GB
> /dev/vg_opsys/lv_archive /archive 2 GB
> /dev/vg_opsys/lv_opt /opt 2 GB
> /dev/vg_opsys/lv_tmp /tmp 5 GB
> /dev/vg_opsys/lv_usr /usr 12 GB
> /dev/vg_opsys/lv_usr_local /usr/local 2 GB
> /dev/vg_opsys/lv_var /var 8 GB
> /dev/sda3 | /dev/sdb3 = /dev/md2 (32 GB) LVM
> /dev/vg_sysswap
> /dev/vg_sysswap/lv_sysswap swap 16 GB
> 4 - 4 TB Western Digital hard drives
> The 4 WD drives are divided into a single software
> RAID-10 device:
> /sdc1 | /sdd1 | /sde1 | /sdf1 = /dev/md3 (7.28
> TB) LVM /dev/vg_jpd1data
> /dev/vg_jpd1data/lv_dbmsu00 /dbmsu00 160
> GB
> /dev/vg_jpd1data/lv_websoft /websoft 70 GB
> ... ETC ...
>
> I like this configuration so I thought ...
>
> Installation attempt 1:
> Machine had been running CentOS 6.10 x86_64 with no problems at all. But
> I wanted to do some things on this machine and I didn't want to have to
> do a upgrade next year. I backed up all of the data on another machine
> so I wouldn't suffer a data loss.
> Inserted the CentOS 7 DVD and rebooted - for whatever reason it didn't
> see the DVD.
>
> Installation attempt 2:
> Rebooted and selected F11 for the boot menu and selected the SATA device
> for the Blu Ray (BTW, there was another selection that allowed me to
> boot UEFI for the Blu Ray).
> The installation continued and when I got the the storage screen I
> selected all 6 storage devices. When I got to the point where I tried to
> select all of the file systems (BTW, the /boot device was listed as
> unknown) I wanted format the volumes /boot, OpSys, and swap and I wanted
> to just mount the devices defined on the RAID-10 device. When I tried to
> accept the definitions the install just hung at the point. I had to
> power off the machine.
One thing you could try is looking at the different virtual consoles where
you can see what the installer is doing. Just press Alt&Ctrl&F1(-6) to see
them. You should see there where it hangs.
Regards,
Simon
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