Xen Clod Platform correct HDD partitioning

Question

Xen

I installed the Xen Cloud Platform, since I did it for the first time, I set everything by default.
There are three HDDs on the server, one is a 100 gigabyte SSD, and two SAS, two terabytes each
. Installed the system on the first screw, indicated the second two as local storage, as a result, the screw was broken in the same way

On the same XCP.
I installed this server for the first time and my disks are somehow strangely partitioned, but I can’t install parted in order to repartition.
I put the system itself on a 100 gig SDD, but in fact now

[[email protected] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 4.0G 2.0G 1.8G 53% /

[[email protected] ~]# ls -la /dev/|grep sda
brw-r----- 1 root disk 8, 0 Apr 2 12:09 sda
brw-r----- 1 root disk 8, 1 Apr 2 12:09 sda1
brw-r----- 1 root disk 8, 2 Apr 2 12:09 sda2
brw-r----- 1 root disk 8, 3 Apr 2 12:09 sda3

fdisk output
Disk /dev/sda: 120.0 GB, 120034123776 bytes
256 heads, 63 sectors/track, 14536 cylinders
Units = cylinders of 16128 * 512 = 8257536 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 14537 117220823+ ee EFI GPT

That's interesting, can this matter be put in order or is it better to install a regular centos and XAPI on it?

Answer 1

XCP is placed in a 4GB partition, it doesn't need more. The remaining volume should be in sda3, and where you use it - you better know.
parted is installed via yum --enablerepo=base install parted, but why?

Answer 2

You can try to install xcp on the server, and install all virtual machines directly on a separate remote storage (which will host SASs). This will call in the event of a physical server failure with xcp to migrate painlessly to another physical server. As for the partitioning of disks, XCP during installation divides the total space into 2 partitions - 4GB and the remaining space, and I can say that 4GB is really enough for it.

Answer 3

By default, there are restrictions on the processor (one model), through the console you can add a server with a different processor to the pool (the force parameter), but it is not always possible to migrate virtual machines to them.