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Re: suggestion for reliable boot: disk-by-id


On Sunday, January 16, 2011 01:24:15 am Andre Felipe Machado wrote:
> Regarding problem nr 3, we decided to use XenServer, that also uses disk by
> id, afaik. But for who uses kvm it could be an issue.

With "virtual KVM rescue systems" I mean setups like:

Hetzner's vKVM: http://wiki.hetzner.de/index.php/VKVM_en
OVH's vKVM: http://www.ovh.co.uk/items/virtual_kvm.xml
And our own software:  http://www.noc-ps.com/index.php/documentation/virtual_kvm/

In which a regular dedicated server that normally does not use any virtualization, is network booted into a virtual environement temporarily, to repair boot and firewall problems, or manually install an operating system remotely.

Works fine with Linux systems that mount by uuid, since that is a file system attribute, and is the same in both the virtual and real environement.
Does not work with Linux distro's that use disk-by-id because in the virtual environement the disk-by-id will be /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_scsi0-hd0 instead of the hard disk name/serial that is used in the real 

Yours sincerely,

Floris Bos

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