How to backup a Domu filesystem (on LVM) from Dom0 on Fedora 8 ?

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Hello

I use XEN on Fedora 8 with Domu on a LVM partition.

Before, on Fedora Core 6, I could backup each Domu by directly mounting the filesystem of the Domu (mount /dev/vg00/lvfoo /mnt) and then running dump on it.

On Fedora 8, I can't mount directly the filesystem of the Domu, so I backup the filesystem of the Domu using the dd command (dd if=/dev/vg00/lvfoo of=/var/xen/lvfoo.img) But the backup with dd is longer and takes more disk space than the backup with dump, as dd copies unused blocks.

Is there a better method to backup a Domu filesystem from Dom0 on Fedora 8 ?

Thanks in advance

Anne Facq


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