On 04/24/2022 02:54 PM, H wrote:
> On 04/23/2022 09:19 PM, H wrote:
>> On 04/19/2022 09:57 AM, Roberto Ragusa wrote:
>>> On 4/18/22 1:27 PM, H wrote:
>>>> I have a new computer with 2 x 2TB SSDs where I wanted to install C7 and use mdadm for RAID1 configuration and encrypting the /home partition. On the net I found https://tuxfixer.com/centos-7-installation-with-lvm-raid-1-mirroring/ which I adopted slightly with respect to partition sizes, using RAID1 for /boot and /root as well and added the /home partition with RAID1 and chose to have /home encrypted.
>>> It may be a good idea to also have / and swap encrypted, since user data can go there easily
>>> (logs, locatedb, swapped mem).
>>>
>>> I would do:
>>> - /boot as a separate RAID1 (md1=sda1+sdb1)
>>> - then another RAID1 (md2=sda2+sdb2) using all the remaining disk
>>> - luks on top of md2, giving you luks-xxxxx
>>> - LVM with a PV on luks-xxxxx
>>> - VG and LVs for swap, / and /home (do not assign all the available space now, especially if using xfs as filesystem)
>>>
>>> Not sure if you can do this setup through the installer, you have to try (in a VM maybe).
>>>
>>> Regards.
>>>
>> Thank you. I will have time to get back to this system tomorrow to try this.
>>
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> Roberto, what would the advantage(s) be with your setup, ie one RAID1 array for everything but /boot compared to what I had done, ie three RAID1 arrays for /boot/efi RAID1, /boot RAID1 and one LVM-RAID1 for / and /home? As a naive user it would seem to me that the setup I did would be more resilient if a disk fails, or?
>
Did not get any response to the above and I will have an opportunity to work with this computer again in a few days.
If I were to partition the disks as suggested above - and which is not supported by the CentOS 7 installation software (anaconda?) - which software would be suggested to use to partition the disks prior to installing CentOS 7?
Thank you in advance.
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