Re: [Xen-devel] lvm management of block devices in dom0 not working as well as it should

[Matthieu Patou <matxen@xxxxxxxxx>]

Ian Pratt a écrit :
> > kaffe:/home/doogie# swapon -a
> > swapon: /dev/hda: Invalid argument
> >
> > So, do those vbd-* commands actually work?
>
> What happens if you export the device as a partition rather than a whole
> disk? 
>
> I certainly recall that this was working at one point. I think it was
> even hooked up such that size changes didn't require the the vbd to be
> destroyed/recreated for xenU to notice. 
>
> Ian
Hello all,
i faced quite the same problem with lvm 2 + xen 2.x
i resized in dom0 a partition used in domX. The partition is formated in 
 XFS format.
I issued an lvm resize in dom0, it showed that the volume was extended, 
so i try an xfs_growfs on the mounted partition but nothing append ... 
In dom1 the partition was seen unchanged ...
I stopped the dom1 domain and mount the partition in dom0 (a xfs 
partition must be mounted in order to be extended ..) but xfs_growfs saw 
 the Filesystem smaller than it was.
After unmounting the volume and recreating dom1, i have been able to 
resize the FS in dom1
Quite strange ?
I've try to do the same on a volume used direcly in dom0 and in this 
case there was no prolbem (lvm resize + xfs_growfs were like a charm ...).
HTH !
Matthieu



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