Nowadays the hardisks are almost cheaper so creating a RAID1 is a good way to keep your data safe without waste too much money. If you have two disks with same size use them to create mirrored Storage Repository in XEN with the help of mdadm raid software, by default installed in a XEN distribution.
SATA is always the best option to have a good I/O but as a test system IDE disks will be valid as well.
Let's start. First, create the md devices in /dev
# cd /dev
# MAKEDEV md
now create a RAID1 Read more...
XEN
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Let's imagine you have a .vmdk file with a virtual machine data inside and you want to migrate this disks, to a Xen source virtual machine...
There are other "converters" provided by XEN, but this time we are going to do it manually.
First, we can convert a virtual disk from preallocated to growable with this tool from VMware:
# vmware-vdiskmanager -r vmware_image.vmdk -t 0 temporary_image.vmdk
Install qemu (on Debian apt-get install qemu). You will need the qemu-img disk image manipulation Read more...
I was trying to migrate a Solaris x86 VMware VM to Xen source, but after move all data and turn on the machine in XEN, I received this error message and a panic:
cannot mount root path
after some searches i found this solution in vmware communities, valid as well for me.
Let's imagine you have changed the default boot disk, as well as the SCSI controller, you have moved from VMware with a specific SCSI device to XEN with another different SCSI device, but your bootarchive looks like it was Read more...