[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel][PATCH]: Support dynamic resizing of vbds
On Fri, Mar 12, 2010 at 10:41 AM, J. Roeleveld <joost@xxxxxxxxxxxx> wrote: > On Tuesday 09 March 2010 20:56:11 Ky Srinivasan wrote: >> The attached patch supports dynamic resizing of vbds. >> >> Signed-off-by: K. Y. Srinivasan <ksrinivasan@xxxxxxxxxx> >> > > Thank you for this. > > The patch applied succesfully against the gentoo-xen kernel (2.6.29-xen-r4) > > I will test the patch on my system during the next week and provide feedback. > > -- > Joost Roeleveld > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > 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 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! Andy _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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