Re: [Xen-users] Create and mount new volumes on running guest?

[Dominik Klein <dk@xxxxxxxxxxxxxxxx>]

> For instance, say I have a bunch of unallocated space on an LVM
> physical volume on dom0.  I have a running domU system that needs more
> disk.  Can I create a new lv on dom0 and make it available to domU
> without rebooting domU?  If so, how does it look from domU's
> perspective?
You can assign new block devices to a domU while the domU is running 
with "xm block-attach". Wether that's a lv, an iscsi disc or a disc 
image should not matter.
> In a related question, can I grow volumes while domU is running?  I
> imagine it would look like (1) grow volume on dom0, (2) grow volume on
> domU, (3) resize FS on domU.  
I did not try that myself and read different things about it.
But if you say "grow volume on domU", that sounds like you (want to) run 
lvm in domU again, which should not be necessary imho.

Regards
Dominik

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