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Re: [Xen-users] Resize domU block device?

Quoting Ralf Müller <ralf@xxxxxxxx>:

Is there a way for a domU to discover size changes of block
devices modified by dom0?

To make it clear - if I do in dom0 a lvresize of a logical volume given
as physical disk to a domU, is there a way to use the new size
of this device within the domU without reboot?


The domU will be aware of the additional space. How you take advantage of that is depending upon the filesystem and more importantly, the OS. For example, ext3 filesystems must be unmounted before you can resize them. You'll probably need to delete the partition, recreate it, using up all the free space you gave it. That is , unless you use some of the other tools available. I'm talking about using sfdisk, fdisk or parted..

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