Re: [Xen-devel][PATCH]: Support dynamic resizing of vbds

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Mar 15, 2010 at 09:05:09PM -0600, Ky Srinivasan wrote:
> >> >
> >> 
> >> I tested the patch on xen-sources-2.6.31-r12 and it appears to work 
> >> perfectly:
> >> 
> >> dom0: VBD Resize: new size 172032
> >> domU: Setting capacity to 172032
> >>
> > 
> > Btw it would be good to add the vbd-device and domU name to these log 
> > entries 
> > in the dom0,
> > and the device name in domU!
> 
> Agreed. Will send out the patch soon.
> 

Hey,

Did you send this patch? I'm just wondering if I missed it..

-- Pasi

> >  
> >> I extended the filesystem and filled up the available space, then
> >> extended again:
> >> 
> >> dom0: VBD Resize: new size 376832
> >> domU: Setting capacity to 376832
> >> 
> >> fsck, badblocks, and testing a tarball I had filled the filesystem
> >> with revealed no problems, so I decided to try reducing the
> >> filesystem, first using resize2fs, then reducing the size of the block
> >> device, although some errors were logged in domU the operation seemed
> >> to work ok:
> >> 
> >> dom0: VBD Resize: new size 114688
> >> domU: Setting capacity to 114688
> >> domU: end_request: I/O error, dev sdb1, sector 212984
> >> domU: Buffer I/O error on device sdb1, logical block 26623
> >> 
> >> I did notice that it seemed to be necessary to "poke" the device using
> >> cfdisk /dev/sdb1 before domU would notice the new size, but on the
> >> whole everything works nicely and this is a very useful new feature!
> >> 
> > 
> > Good to hear it works!
> > 
> > -- Pasi
> 

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