Hi, We have some problems with Xen 4.0.1 and resinzing of lvm volumes. When I resize a lvm volume with "lvresize -L+50G -n /dev/data/windows-data" the Windows Dom U don''t scan the new size of the lvm volume. The only way to see the extend is to halt and create the DomU We have try with sign and unsigned drivers gplpv, with Windows 2008 and Windows 2003 server : http://apt.univention.de/download/addons/gplpv-drivers/ I have try one time with XCP and it''s look ok. Any idea to do the online resizing without reboot ? Thanks Matthieu Lejeune
Hi, online resize of a mapped disk has never worked in Xen3. I think there used to be a xm vbd-resize back on Xen2, but that ''s so long ago that I''m not even sure. It''s not currently possible, period. You''ll be better off mapping new disks (that works on-line) and using dynamic disks on the windows side, so you can do the extension in Windows Logical disk manager. Sorry about the bad news, Flo 2012/6/16 Matthieu Lejeune <matthieu.lejeune@exxoss.com>:> Hi, > > We have some problems with Xen 4.0.1 and resinzing of lvm volumes. > > When I resize a lvm volume with "lvresize -L+50G -n /dev/data/windows-data" > the Windows Dom U don''t scan the new size of the lvm volume. > The only way to see the extend is to halt and create the DomU > > We have try with sign and unsigned drivers gplpv, with Windows 2008 and > Windows 2003 server : > http://apt.univention.de/download/addons/gplpv-drivers/ > > I have try one time with XCP and it''s look ok. > Any idea to do the online resizing without reboot ? > > Thanks > > Matthieu Lejeune > > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xen.org > http://lists.xen.org/xen-users-- the purpose of libvirt is to provide an abstraction layer hiding all xen features added since 2006 until they were finally understood and copied by the kvm devs.
> Hi, > > We have some problems with Xen 4.0.1 and resinzing of lvm volumes. > > When I resize a lvm volume with "lvresize -L+50G -n /dev/data/windows- > data" the Windows Dom U don''t scan the new size of the lvm volume. > The only way to see the extend is to halt and create the DomU > > We have try with sign and unsigned drivers gplpv, with Windows 2008 and > Windows 2003 server : > http://apt.univention.de/download/addons/gplpv-drivers/ > > I have try one time with XCP and it''s look ok. > Any idea to do the online resizing without reboot ? >I have never implemented a way for GPLPV to tell windows about the new volume size. From the looks of the linux backend code this is achieved by blkback writing the new sectors value then re-writing the status (causing a notify event in domu). DomU then re-reads the sectors and notices that they have changed. Then I''d need to tell Windows to rescan the volumes (or maybe there is a specific API... I''ve never checked). This might be possible under 2008 and newer with storport drivers, but difficult under 2003 due to limitations of scsiport. Anyway, you aren''t doing anything wrong, it just isn''t implemented. James