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[Xen-users] Existing partitions on xvda

Hi Xen Users,

I've installed Xen and attempted to run a user domain (dom1) that has a config with the line:

disk = [ "file:/opt/isos/linux.iso,xvdb,cdrom", "phy:/dev/sda1,xvda,w" ]

/dev/sda1, on dom0, is a 100GiB partition, on which I'd like to install from linux.iso. After booting from the iso, I want to partition

/dev/xvda for /boot, /home and /. However, running fdisk /dev/xvda gives output:


Disk /dev/xvda: 100 GiB, 107374182400 bytes, 209715200 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x73736572

Device     Boot      Start        End    Sectors   Size Id Type
/dev/xvda1      1920221984 3736432267 1816210284   866G 72 unknown
/dev/xvda2      1936028192 3889681299 1953653108 931.6G 6c unknown
/dev/xvda3               0          0          0     0B  0 Empty
/dev/xvda4            2048  209715199  209713152   100G 83 Linux

Partition table entries are not in disk order.


Why are there 4 pre-existing partitions on my block device? What accounts for their sizes? It looks like /dev/sda1 is mapped to xvda4, when I wanted it to appear as a block device rather than a partition.

Many thanks,


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